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(-) Description

Title :  CHEMICAL CROSSLINK OF NITROGENASE MOFE PROTEIN AND FE PROTEIN
 
Authors :  B. Schmid, O. Einsle, H. J. Chiu, A. Willing, M. Yoshida, J. B. Howard, D. C. Rees
Date :  20 Jun 02  (Deposition) - 11 Feb 03  (Release) - 05 May 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.20
Chains :  Asym. Unit :  A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P
Biol. Unit 1:  A,B,C,D,E,F,G,H  (1x)
Biol. Unit 2:  I,J,K,L,M,N,O,P  (1x)
Keywords :  Nitrogenase, Nitrogen Fixation, Chemical Crosslink, Protein Interaction, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  B. Schmid, O. Einsle, H. J. Chiu, A. Willing, M. Yoshida, J. B. Howard, D. C. Rees
Biochemical And Structural Characterization Of The Crosslinked Complex Of Nitrogenase: Comparison To The Adp-Alf4- Stabilized Structure
Biochemistry V. 41 15557 2002
PubMed-ID: 12501184  |  Reference-DOI: 10.1021/BI026642B
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - NITROGENASE MOLYBDENUM-IRON PROTEIN ALPHA CHAIN
    ChainsA, C, I, K
    EC Number1.18.6.1
    Organism ScientificAZOTOBACTER VINELANDII
    Organism Taxid354
    SynonymNIFD, NITROGENASE MOFE PROTEIN ALPHA SUBUNIT, NITROGENASE COMPONENT I, DINITROGENASE
 
Molecule 2 - NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN
    ChainsB, D, J, L
    EC Number1.18.6.1
    Organism ScientificAZOTOBACTER VINELANDII
    Organism Taxid354
    SynonymNIFK, NITROGENASE MOFE PROTEIN BETA SUBUNIT, NITROGENASE COMPONENT I, DINITROGENASE
 
Molecule 3 - NITROGENASE IRON PROTEIN 1
    ChainsE, F, G, H, M, N, O, P
    EC Number1.18.6.1
    Organism ScientificAZOTOBACTER VINELANDII
    Organism Taxid354
    SynonymNIFH, NITROGENASE FE PROTEIN ALPHA CHAIN, NITROGENASE COMPONENT II, NITROGENASE FE PROTEIN 1, NITROGENASE REDUCTASE

 Structural Features

(-) Chains, Units

  12345678910111213141516
Asymmetric Unit ABCDEFGHIJKLMNOP
Biological Unit 1 (1x)ABCDEFGH        
Biological Unit 2 (1x)        IJKLMNOP

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (5, 20)

Asymmetric Unit (5, 20)
No.NameCountTypeFull Name
1CA4Ligand/IonCALCIUM ION
2CFM4Ligand/IonFE-MO-S CLUSTER
3CLF4Ligand/IonFE(8)-S(7) CLUSTER
4HCA4Ligand/Ion3-HYDROXY-3-CARBOXY-ADIPIC ACID
5SF44Ligand/IonIRON/SULFUR CLUSTER
Biological Unit 1 (4, 8)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION
2CFM2Ligand/IonFE-MO-S CLUSTER
3CLF2Ligand/IonFE(8)-S(7) CLUSTER
4HCA2Ligand/Ion3-HYDROXY-3-CARBOXY-ADIPIC ACID
5SF42Ligand/IonIRON/SULFUR CLUSTER
Biological Unit 2 (4, 8)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION
2CFM2Ligand/IonFE-MO-S CLUSTER
3CLF2Ligand/IonFE(8)-S(7) CLUSTER
4HCA2Ligand/Ion3-HYDROXY-3-CARBOXY-ADIPIC ACID
5SF42Ligand/IonIRON/SULFUR CLUSTER

(-) Sites  (20, 20)

Asymmetric Unit (20, 20)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREARG B:108 , GLU B:109 , ASP D:353 , ASP D:357BINDING SITE FOR RESIDUE CA D 6492
02AC2SOFTWAREASP B:353 , ASP B:357 , ARG D:108 , GLU D:109BINDING SITE FOR RESIDUE CA B 7492
03AC3SOFTWAREARG J:108 , GLU J:109 , ASP L:353 , ASP L:357BINDING SITE FOR RESIDUE CA L 8492
04AC4SOFTWAREASP J:353 , ASP J:357 , ARG L:108 , GLU L:109BINDING SITE FOR RESIDUE CA J 9492
05AC5SOFTWAREGLN A:191 , GLY A:424 , ILE A:425 , LYS A:426 , HIS A:442 , CFM A:6496BINDING SITE FOR RESIDUE HCA A 6494
06AC6SOFTWAREARG A:96 , HIS A:195 , TYR A:229 , ILE A:231 , CYS A:275 , GLY A:356 , GLY A:357 , PHE A:381 , HIS A:442 , HCA A:6494BINDING SITE FOR RESIDUE CFM A 6496
07AC7SOFTWARECYS A:62 , TYR A:64 , GLY A:87 , CYS A:88 , CYS A:154 , CYS B:70 , SER B:92 , CYS B:95 , THR B:152 , CYS B:153 , SER B:188BINDING SITE FOR RESIDUE CLF A 6498
08AC8SOFTWAREALA C:65 , GLN C:191 , GLY C:424 , ILE C:425 , LYS C:426 , HIS C:442 , CFM C:7496BINDING SITE FOR RESIDUE HCA C 7494
09AC9SOFTWAREARG C:96 , HIS C:195 , TYR C:229 , CYS C:275 , SER C:278 , ILE C:355 , GLY C:356 , GLY C:357 , PHE C:381 , HIS C:442 , HCA C:7494BINDING SITE FOR RESIDUE CFM C 7496
10BC1SOFTWARECYS C:62 , TYR C:64 , GLY C:87 , CYS C:88 , CYS C:154 , CYS D:70 , SER D:92 , CYS D:95 , THR D:152 , CYS D:153 , SER D:188BINDING SITE FOR RESIDUE CLF D 7498
11BC2SOFTWARECYS E:97 , ALA E:98 , CYS E:132 , GLY E:133 , GLY E:134 , CYS F:97 , ALA F:98 , CYS F:132 , GLY F:134BINDING SITE FOR RESIDUE SF4 E 290
12BC3SOFTWARECYS G:97 , ALA G:98 , CYS G:132 , GLY G:134 , CYS H:97 , ALA H:98 , CYS H:132 , GLY H:134BINDING SITE FOR RESIDUE SF4 G 1290
13BC4SOFTWAREALA I:65 , GLN I:191 , GLY I:424 , ILE I:425 , LYS I:426 , HIS I:442 , CFM I:8496BINDING SITE FOR RESIDUE HCA I 8494
14BC5SOFTWAREVAL I:70 , ARG I:96 , HIS I:195 , TYR I:229 , CYS I:275 , SER I:278 , ILE I:355 , GLY I:356 , GLY I:357 , PHE I:381 , HIS I:442 , HCA I:8494BINDING SITE FOR RESIDUE CFM I 8496
15BC6SOFTWARECYS I:62 , TYR I:64 , PRO I:85 , GLY I:87 , CYS I:88 , CYS I:154 , CYS J:70 , SER J:92 , CYS J:95 , THR J:152 , CYS J:153 , SER J:188BINDING SITE FOR RESIDUE CLF J 8498
16BC7SOFTWAREGLN K:191 , GLY K:424 , ILE K:425 , LYS K:426 , HIS K:442 , CFM K:9496BINDING SITE FOR RESIDUE HCA K 9494
17BC8SOFTWAREVAL K:70 , ARG K:96 , HIS K:195 , TYR K:229 , ILE K:231 , CYS K:275 , ILE K:355 , GLY K:356 , GLY K:357 , PHE K:381 , HIS K:442 , HCA K:9494BINDING SITE FOR RESIDUE CFM K 9496
18BC9SOFTWARECYS K:62 , TYR K:64 , PRO K:85 , GLY K:87 , CYS K:88 , CYS K:154 , CYS L:70 , SER L:92 , CYS L:95 , THR L:152 , CYS L:153 , SER L:188BINDING SITE FOR RESIDUE CLF K 9498
19CC1SOFTWARECYS M:97 , ALA M:98 , CYS M:132 , GLY M:133 , GLY M:134 , CYS N:97 , ALA N:98 , CYS N:132 , GLY N:134BINDING SITE FOR RESIDUE SF4 N 2290
20CC2SOFTWARECYS O:97 , ALA O:98 , CYS O:132 , GLY O:134 , CYS P:97 , ALA P:98 , CYS P:132 , GLY P:134BINDING SITE FOR RESIDUE SF4 P 3290

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1M1Y)

(-) Cis Peptide Bonds  (16, 16)

Asymmetric Unit
No.Residues
1Trp A:253 -Ser A:254
2Gly A:448 -Pro A:449
3Tyr B:12 -Pro B:13
4Phe B:471 -Pro B:472
5Trp C:253 -Ser C:254
6Gly C:448 -Pro C:449
7Tyr D:12 -Pro D:13
8Phe D:471 -Pro D:472
9Trp I:253 -Ser I:254
10Gly I:448 -Pro I:449
11Tyr J:12 -Pro J:13
12Phe J:471 -Pro J:472
13Trp K:253 -Ser K:254
14Gly K:448 -Pro K:449
15Tyr L:12 -Pro L:13
16Phe L:471 -Pro L:472

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1M1Y)

(-) PROSITE Motifs  (5, 40)

Asymmetric Unit (5, 40)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1NIFH_FRXC_3PS51026 NIFH_FRXC family profile.NIFH1_AZOVI3-275
 
 
 
 
 
 
 
  8E:2-274
F:2-274
G:2-274
H:2-274
M:2-274
N:2-274
O:2-274
P:2-274
2NITROGENASE_1_1PS00699 Nitrogenases component 1 alpha and beta subunits signature 1.NIFD_AZOVI81-88
 
 
 
  4A:81-88
C:81-88
I:81-88
K:81-88
NIFK_AZOVI88-95
 
 
 
  4B:88-95
D:88-95
J:88-95
L:88-95
3NIFH_FRXC_1PS00746 NifH/frxC family signature 1.NIFH1_AZOVI88-100
 
 
 
 
 
 
 
  8E:87-99
F:87-99
G:87-99
H:87-99
M:87-99
N:87-99
O:87-99
P:87-99
4NIFH_FRXC_2PS00692 NifH/frxC family signature 2.NIFH1_AZOVI126-139
 
 
 
 
 
 
 
  8E:125-138
F:125-138
G:125-138
H:125-138
M:125-138
N:125-138
O:125-138
P:125-138
5NITROGENASE_1_2PS00090 Nitrogenases component 1 alpha and beta subunits signature 2.NIFK_AZOVI151-165
 
 
 
  4B:151-165
D:151-165
J:151-165
L:151-165
NIFD_AZOVI152-166
 
 
 
  4A:152-166
C:152-166
I:152-166
K:152-166
Biological Unit 1 (5, 20)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1NIFH_FRXC_3PS51026 NIFH_FRXC family profile.NIFH1_AZOVI3-275
 
 
 
 
 
 
 
  4E:2-274
F:2-274
G:2-274
H:2-274
-
-
-
-
2NITROGENASE_1_1PS00699 Nitrogenases component 1 alpha and beta subunits signature 1.NIFD_AZOVI81-88
 
 
 
  2A:81-88
C:81-88
-
-
NIFK_AZOVI88-95
 
 
 
  2B:88-95
D:88-95
-
-
3NIFH_FRXC_1PS00746 NifH/frxC family signature 1.NIFH1_AZOVI88-100
 
 
 
 
 
 
 
  4E:87-99
F:87-99
G:87-99
H:87-99
-
-
-
-
4NIFH_FRXC_2PS00692 NifH/frxC family signature 2.NIFH1_AZOVI126-139
 
 
 
 
 
 
 
  4E:125-138
F:125-138
G:125-138
H:125-138
-
-
-
-
5NITROGENASE_1_2PS00090 Nitrogenases component 1 alpha and beta subunits signature 2.NIFK_AZOVI151-165
 
 
 
  2B:151-165
D:151-165
-
-
NIFD_AZOVI152-166
 
 
 
  2A:152-166
C:152-166
-
-
Biological Unit 2 (5, 20)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1NIFH_FRXC_3PS51026 NIFH_FRXC family profile.NIFH1_AZOVI3-275
 
 
 
 
 
 
 
  4-
-
-
-
M:2-274
N:2-274
O:2-274
P:2-274
2NITROGENASE_1_1PS00699 Nitrogenases component 1 alpha and beta subunits signature 1.NIFD_AZOVI81-88
 
 
 
  2-
-
I:81-88
K:81-88
NIFK_AZOVI88-95
 
 
 
  2-
-
J:88-95
L:88-95
3NIFH_FRXC_1PS00746 NifH/frxC family signature 1.NIFH1_AZOVI88-100
 
 
 
 
 
 
 
  4-
-
-
-
M:87-99
N:87-99
O:87-99
P:87-99
4NIFH_FRXC_2PS00692 NifH/frxC family signature 2.NIFH1_AZOVI126-139
 
 
 
 
 
 
 
  4-
-
-
-
M:125-138
N:125-138
O:125-138
P:125-138
5NITROGENASE_1_2PS00090 Nitrogenases component 1 alpha and beta subunits signature 2.NIFK_AZOVI151-165
 
 
 
  2-
-
J:151-165
L:151-165
NIFD_AZOVI152-166
 
 
 
  2-
-
I:152-166
K:152-166

(-) Exons   (0, 0)

(no "Exon" information available for 1M1Y)

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it)
Chain A from PDB  Type:PROTEIN  Length:477
 aligned with NIFD_AZOVI | P07328 from UniProtKB/Swiss-Prot  Length:492

    Alignment length:477
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473       
           NIFD_AZOVI     4 MSREEVESLIQEVLEVYPEKARKDRNKHLAVNDPAVTQSKKCIISNKKSQPGLMTIRGCAYAGSKGVVWGPIKDMIHISHGPVGCGQYSRAGRRNYYIGTTGVNAFVTMNFTSDFQEKDIVFGGDKKLAKLIDEVETLFPLNKGISVQSECPIGLIGDDIESVSKVKGAELSKTIVPVRCEGFRGVSQSLGHHIANDAVRDWVLGKRDEDTTFASTPYDVAIIGDYNIGGDAWSSRILLEEMGLRCVAQWSGDGSISEIELTPKVKLNLVHCYRSMNYISRHMEEKYGIPWMEYNFFGPTKTIESLRAIAAKFDESIQKKCEEVIAKYKPEWEAVVAKYRPRLEGKRVMLYIGGLRPRHVIGAYEDLGMEVVGTGYEFAHNDDYDRTMKEMGDSTLLYDDVTGYEFEEFVKRIKPDLIGSGIKEKFIFQKMGIPFREMHSWDYSGPYHGFDGFAIFARDMDMTLNNPCWKKLQAPWE 480
               SCOP domains d1m1ya_ A: Nitrogenase iron-molybdenum protein, alpha chain                                                                                                                                                                                                                                                                                                                                                                                                                                   SCOP domains
               CATH domains 1m1yA01 A:4-62,A:345-479                                   1m1yA02 A:63-205 Nitrogenase molybdenum iron protein domain                                                                                    1m1yA03 A:206-320 Nitrogenase molybdenum iron protein domain                                                       ------------------------1m1yA01 A:4-62,A:345-479 Nitrogenase molybdenum iron protein domain                                                                    - CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhh..hhhhhhhhhhheee......hhhhh................hhhhhhh..........eeeee.hhhhhhhhh....................ee...hhhhhhh.hhhhhhhhhhhhhhhh.....eeeee.hhhhhh..hhhhhhhhhhhhhh..eeee.........hhhhhhhhhhhhhhhhhhhh...........eeeeeee.hhhhhhhhhhhhhhhh..eeeeeee...hhhhhhhhhhh.eeee.hhhhhhhhhhhhhhh....eee....hhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..eeee....hhhhhhhhhhhh...eeeeeee...hhhhhhhhhhhh....eeee..hhhhhhhhhhhhh..eeeehhhhhhhhhhh...eee..hhhhh....hhhhhhhhhhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) -----------------------------------------------------------------------------NITROGEN-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ----------------------------------------------------------------------------------------------------------------------------------------------------NITROGENASE_1_2-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1m1y A   4 MSREEVESLIQEVLEVYPEKARKDRNKHLAVNDPAVTQSKKCIISNKKSQPGLMTIRGCAYAGSKGVVWGPIKDMIHISHGPVGCGQYSRAGRRNYYIGTTGVNAFVTMNFTSDFQEKDIVFGGDKKLAKLIDEVETLFPLNKGISVQSECPIGLIGDDIESVSKVKGAELSKTIVPVRCEGFRGVSQSLGHHIANDAVRDWVLGKRDEDTTFASTPYDVAIIGDYNIGGDAWSSRILLEEMGLRCVAQWSGDGSISEIELTPKVKLNLVHCYRSMNYISRHMEEKYGIPWMEYNFFGPTKTIESLRAIAAKFDESIQKKCEEVIAKYKPEWEAVVAKYRPRLEGKRVMLYIGGLRPRHVIGAYEDLGMEVVGTGYEFAHNDDYDRTMKEMGDSTLLYDDVTGYEFEEFVKRIKPDLIGSGIKEKFIFQKMGIPFREMHSWDYSGPYHGFDGFAIFARDMDMTLNNPCWKKLQAPWE 480
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473       

Chain B from PDB  Type:PROTEIN  Length:522
 aligned with NIFK_AZOVI | P07329 from UniProtKB/Swiss-Prot  Length:523

    Alignment length:522
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481       491       501       511       521  
           NIFK_AZOVI     2 SQQVDKIKASYPLFLDQDYKDMLAKKRDGFEEKYPQDKIDEVFQWTTTKEYQELNFQREALTVNPAKACQPLGAVLCALGFEKTMPYVHGSQGCVAYFRSYFNRHFREPVSCVSDSMTEDAAVFGGQQNMKDGLQNCKATYKPDMIAVSTTCMAEVIGDDLNAFINNSKKEGFIPDEFPVPFAHTPSFVGSHVTGWDNMFEGIARYFTLKSMDDKVVGSNKKINIVPGFETYLGNFRVIKRMLSEMGVGYSLLSDPEEVLDTPADGQFRMYAGGTTQEEMKDAPNALNTVLLQPWHLEKTKKFVEGTWKHEVPKLNIPMGLDWTDEFLMKVSEISGQPIPASLTKERGRLVDMMTDSHTWLHGKRFALWGDPDFVMGLVKFLLELGCEPVHILCHNGNKRWKKAVDAILAASPYGKNATVYIGKDLWHLRSLVFTDKPDFMIGNSYGKFIQRDTLHKGKEFEVPLIRIGFPIFDRHHLHRSTTLGYEGAMQILTTLVNSILERLDEETRGMQATDYNHDLVR 523
               SCOP domains d1m1yb_ B: Nitrogenase iron-molybdenum protein, beta chain                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 SCOP domains
               CATH domains --------------------------------------------------------------------1m1yB01 B:70-215 Nitrogenase molybdenum iron protein domain                                                                                       1m1yB02 B:216-320 Nitrogenase molybdenum iron protein domain                                             1m1yB03 B:321-364,B:485-523                 1m1yB04 B:365-470 Nitrogenase molybdenum iron protein domain                                              --------------1m1yB03 B:321-364,B:485-523             CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ........hhhhhh.hhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh....ee.....hhhhhhhhhhhh...eeeeee.hhhhhhhhhhhhhhhhh.....ee...hhhhh...hhhhhhhhhhhhhhhh...eeeeeehhhhhhh..hhhhhhhhhhhh...................hhhhhhhhhhhhhhhhhhhhhh.........eeeee.....hhhhhhhhhhhhhhh..eeee.......................hhhhhhhhhhh.eeee.hhhhhhhhhhhhhhh...........hhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh..eeeee.hhhhhhhhhhhhhhhh.eeeeeee...hhhhhhhhhhhhhhhhhhh..eeee..hhhhhhhhhhhh...eeee..hhhhhhhhhhhhhhhhh..eee.........hhhhh..hhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhh.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (2) -----------------------------------------------------------------------------------------------------------------------------------------------------NITROGENASE_1_2---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (3)
                PROSITE (4) --------------------------------------------------------------------------------------NITROGEN-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (4)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1m1y B   2 SQQVDKIKASYPLFLDQDYKDMLAKKRDGFEEKYPQDKIDEVFQWTTTKEYQELNFQREALTVNPAKACQPLGAVLCALGFEKTMPYVHGSQGCVAYFRSYFNRHFREPVSCVSDSMTEDAAVFGGQQNMKDGLQNCKATYKPDMIAVSTTCMAEVIGDDLNAFINNSKKEGFIPDEFPVPFAHTPSFVGSHVTGWDNMFEGIARYFTLKSMDDKVVGSNKKINIVPGFETYLGNFRVIKRMLSEMGVGYSLLSDPEEVLDTPADGQFRMYAGGTTQEEMKDAPNALNTVLLQPWHLEKTKKFVEGTWKHEVPKLNIPMGLDWTDEFLMKVSEISGQPIPASLTKERGRLVDMMTDSHTWLHGKRFALWGDPDFVMGLVKFLLELGCEPVHILCHNGNKRWKKAVDAILAASPYGKNATVYIGKDLWHLRSLVFTDKPDFMIGNSYGKFIQRDTLHKGKEFEVPLIRIGFPIFDRHHLHRSTTLGYEGAMQILTTLVNSILERLDEETRGMQATDYNHDLVR 523
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481       491       501       511       521  

Chain C from PDB  Type:PROTEIN  Length:477
 aligned with NIFD_AZOVI | P07328 from UniProtKB/Swiss-Prot  Length:492

    Alignment length:477
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473       
           NIFD_AZOVI     4 MSREEVESLIQEVLEVYPEKARKDRNKHLAVNDPAVTQSKKCIISNKKSQPGLMTIRGCAYAGSKGVVWGPIKDMIHISHGPVGCGQYSRAGRRNYYIGTTGVNAFVTMNFTSDFQEKDIVFGGDKKLAKLIDEVETLFPLNKGISVQSECPIGLIGDDIESVSKVKGAELSKTIVPVRCEGFRGVSQSLGHHIANDAVRDWVLGKRDEDTTFASTPYDVAIIGDYNIGGDAWSSRILLEEMGLRCVAQWSGDGSISEIELTPKVKLNLVHCYRSMNYISRHMEEKYGIPWMEYNFFGPTKTIESLRAIAAKFDESIQKKCEEVIAKYKPEWEAVVAKYRPRLEGKRVMLYIGGLRPRHVIGAYEDLGMEVVGTGYEFAHNDDYDRTMKEMGDSTLLYDDVTGYEFEEFVKRIKPDLIGSGIKEKFIFQKMGIPFREMHSWDYSGPYHGFDGFAIFARDMDMTLNNPCWKKLQAPWE 480
               SCOP domains d1m1yc_ C: Nitrogenase iron-molybdenum protein, alpha chain                                                                                                                                                                                                                                                                                                                                                                                                                                   SCOP domains
               CATH domains 1m1yC01 C:4-62,C:345-479                                   1m1yC02 C:63-205 Nitrogenase molybdenum iron protein domain                                                                                    1m1yC03 C:206-320 Nitrogenase molybdenum iron protein domain                                                       ------------------------1m1yC01 C:4-62,C:345-479 Nitrogenase molybdenum iron protein domain                                                                    - CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhh..hhhhhhhhhhheee......hhhhh................hhhhhhh..........eeeee..hhhhhhhh....................ee...hhhhhhh.hhhhhhhhhhhhhhhh.....eeeee.hhhhhh..hhhhhhhhhhhhhh..eeee.........hhhhhhhhhhhhhhhhhhhh...........eeeeeee.hhhhhhhhhhhhhhhh..eeeeeee...hhhhhhhhhhh.eeee.hhhhhhhhhhhhhhh....eee....hhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..eeee....hhhhhhhhhhhh...eeeeeee...hhhhhhhhhh......eeee..hhhhhhhhhhhhh..eeeehhhhhhhhhhh...eee..hhhhh....hhhhhhhhhhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) -----------------------------------------------------------------------------NITROGEN-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ----------------------------------------------------------------------------------------------------------------------------------------------------NITROGENASE_1_2-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1m1y C   4 MSREEVESLIQEVLEVYPEKARKDRNKHLAVNDPAVTQSKKCIISNKKSQPGLMTIRGCAYAGSKGVVWGPIKDMIHISHGPVGCGQYSRAGRRNYYIGTTGVNAFVTMNFTSDFQEKDIVFGGDKKLAKLIDEVETLFPLNKGISVQSECPIGLIGDDIESVSKVKGAELSKTIVPVRCEGFRGVSQSLGHHIANDAVRDWVLGKRDEDTTFASTPYDVAIIGDYNIGGDAWSSRILLEEMGLRCVAQWSGDGSISEIELTPKVKLNLVHCYRSMNYISRHMEEKYGIPWMEYNFFGPTKTIESLRAIAAKFDESIQKKCEEVIAKYKPEWEAVVAKYRPRLEGKRVMLYIGGLRPRHVIGAYEDLGMEVVGTGYEFAHNDDYDRTMKEMGDSTLLYDDVTGYEFEEFVKRIKPDLIGSGIKEKFIFQKMGIPFREMHSWDYSGPYHGFDGFAIFARDMDMTLNNPCWKKLQAPWE 480
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473       

Chain D from PDB  Type:PROTEIN  Length:522
 aligned with NIFK_AZOVI | P07329 from UniProtKB/Swiss-Prot  Length:523

    Alignment length:522
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481       491       501       511       521  
           NIFK_AZOVI     2 SQQVDKIKASYPLFLDQDYKDMLAKKRDGFEEKYPQDKIDEVFQWTTTKEYQELNFQREALTVNPAKACQPLGAVLCALGFEKTMPYVHGSQGCVAYFRSYFNRHFREPVSCVSDSMTEDAAVFGGQQNMKDGLQNCKATYKPDMIAVSTTCMAEVIGDDLNAFINNSKKEGFIPDEFPVPFAHTPSFVGSHVTGWDNMFEGIARYFTLKSMDDKVVGSNKKINIVPGFETYLGNFRVIKRMLSEMGVGYSLLSDPEEVLDTPADGQFRMYAGGTTQEEMKDAPNALNTVLLQPWHLEKTKKFVEGTWKHEVPKLNIPMGLDWTDEFLMKVSEISGQPIPASLTKERGRLVDMMTDSHTWLHGKRFALWGDPDFVMGLVKFLLELGCEPVHILCHNGNKRWKKAVDAILAASPYGKNATVYIGKDLWHLRSLVFTDKPDFMIGNSYGKFIQRDTLHKGKEFEVPLIRIGFPIFDRHHLHRSTTLGYEGAMQILTTLVNSILERLDEETRGMQATDYNHDLVR 523
               SCOP domains d1m1yd_ D: Nitrogenase iron-molybdenum protein, beta chain                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 SCOP domains
               CATH domains --------------------------------------------------------------------1m1yD01 D:70-215 Nitrogenase molybdenum iron protein domain                                                                                       1m1yD02 D:216-320 Nitrogenase molybdenum iron protein domain                                             1m1yD03 D:321-364,D:485-523                 1m1yD04 D:365-470 Nitrogenase molybdenum iron protein domain                                              --------------1m1yD03 D:321-364,D:485-523             CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ........hhhhhh.hhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh....ee.....hhhhhhhhhhh....eeeeee.hhhhhhhhhhhhhhhhh.....ee...hhhhh...hhhhhhhhhhhhhhhh...eeeeeehhhhhhh..hhhhhhhhhhhh...................hhhhhhhhhhhhhhhhhhhhhh.........eeeee.....hhhhhhhhhhhhhhh..eeee.......................hhhhhhhhhhh.eeee.hhhhhhhhhhhhhhh............hhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh..eeeee.hhhhhhhhhhhhhhhh.eeeeeee...hhhhhhhhhhhhhhhhhhh..eeee..hhhhhhhhhhhh...eeeehhhhhhhhhhhhhhhhhhh..eee.........hhhhh..hhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhh.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (2) -----------------------------------------------------------------------------------------------------------------------------------------------------NITROGENASE_1_2---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (3)
                PROSITE (4) --------------------------------------------------------------------------------------NITROGEN-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (4)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1m1y D   2 SQQVDKIKASYPLFLDQDYKDMLAKKRDGFEEKYPQDKIDEVFQWTTTKEYQELNFQREALTVNPAKACQPLGAVLCALGFEKTMPYVHGSQGCVAYFRSYFNRHFREPVSCVSDSMTEDAAVFGGQQNMKDGLQNCKATYKPDMIAVSTTCMAEVIGDDLNAFINNSKKEGFIPDEFPVPFAHTPSFVGSHVTGWDNMFEGIARYFTLKSMDDKVVGSNKKINIVPGFETYLGNFRVIKRMLSEMGVGYSLLSDPEEVLDTPADGQFRMYAGGTTQEEMKDAPNALNTVLLQPWHLEKTKKFVEGTWKHEVPKLNIPMGLDWTDEFLMKVSEISGQPIPASLTKERGRLVDMMTDSHTWLHGKRFALWGDPDFVMGLVKFLLELGCEPVHILCHNGNKRWKKAVDAILAASPYGKNATVYIGKDLWHLRSLVFTDKPDFMIGNSYGKFIQRDTLHKGKEFEVPLIRIGFPIFDRHHLHRSTTLGYEGAMQILTTLVNSILERLDEETRGMQATDYNHDLVR 523
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481       491       501       511       521  

Chain E from PDB  Type:PROTEIN  Length:286
 aligned with NIFH1_AZOVI | P00459 from UniProtKB/Swiss-Prot  Length:290

    Alignment length:286
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281      
          NIFH1_AZOVI     2 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTA 287
               SCOP domains d1m1ye_ E: Nitrogenase iron protein                                                                                                                                                                                                                                                            SCOP domains
               CATH domains 1m1yE00 E:1-286 P-loop containing nucleotide triphosphate hydrolases                                                                                                                                                                                                                           CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee....hhhhhhhhhhhhhhhh...eeeeee.................hhhhhhh..............eee...eeeee...........hhhhhhhhhhhhhh........eeeeee.....hhhhhhhhhh....eeeee...hhhhhhhhhhhhhhhhhhh.........eeee.....hhhhhhhhhhhhhh.....ee..hhhhhhhh....hhhhhh..hhhhhhhhhhhhhhhhh.........hhhhhhhhh.................. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -NIFH_FRXC_3  PDB: E:2-274 UniProt: 3-275                                                                                                                                                                                                                                         ------------ PROSITE (1)
                PROSITE (2) ----------------------------------------------------------------------------------------------------------------------------NIFH_FRXC_2   ---------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) --------------------------------------------------------------------------------------NIFH_FRXC_1  ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1m1y E   1 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTA 286
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280      

Chain F from PDB  Type:PROTEIN  Length:289
 aligned with NIFH1_AZOVI | P00459 from UniProtKB/Swiss-Prot  Length:290

    Alignment length:289
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281         
          NIFH1_AZOVI     2 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTAEEV 290
               SCOP domains d1m1yf_ F: Nitrogenase iron protein                                                                                                                                                                                                                                                               SCOP domains
               CATH domains 1m1yF00 F:1-289 P-loop containing nucleotide triphosphate hydrolases                                                                                                                                                                                                                              CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee....hhhhhhhhhhhhhhhh...eeeee.......hhhhhh.....hhhhhhh........hhhhh.ee.hhh.eeee.........hhhhhhhhhhhhhhhh........eeeeeee....hhhhhhhhhh....eeeeee..hhhhhhhhhhhhhhhhhhhh....eeeeeeee.....hhhhhhhhhhhhhh..eeeee...hhhhhhhhh..hhhhhh..hhhhhhhhhhhhhhhh..........hhhhhhhhhhhh.................. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -NIFH_FRXC_3  PDB: F:2-274 UniProt: 3-275                                                                                                                                                                                                                                         --------------- PROSITE (1)
                PROSITE (2) ----------------------------------------------------------------------------------------------------------------------------NIFH_FRXC_2   ------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) --------------------------------------------------------------------------------------NIFH_FRXC_1  ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1m1y F   1 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTAEEV 289
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280         

Chain G from PDB  Type:PROTEIN  Length:286
 aligned with NIFH1_AZOVI | P00459 from UniProtKB/Swiss-Prot  Length:290

    Alignment length:286
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281      
          NIFH1_AZOVI     2 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTA 287
               SCOP domains d1m1yg_ G: Nitrogenase iron protein                                                                                                                                                                                                                                                            SCOP domains
               CATH domains 1m1yG00 G:1-286 P-loop containing nucleotide triphosphate hydrolases                                                                                                                                                                                                                           CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee....hhhhhhhhhhhhhhhh...eeeeee.................hhhhhhh..............eee...eeeee...........hhhhhhhhhhhhhh........eeeeee.....hhhhhhhhhh....eeeee...hhhhhhhhhhhhhhhhhhh.........eeee.....hhhhhhhhhhhhhh....eee..hhhhhhhh....hhhhhh...hhhhhhhhhhhhhhhh.........hhhhhhhhh.................. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -NIFH_FRXC_3  PDB: G:2-274 UniProt: 3-275                                                                                                                                                                                                                                         ------------ PROSITE (1)
                PROSITE (2) ----------------------------------------------------------------------------------------------------------------------------NIFH_FRXC_2   ---------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) --------------------------------------------------------------------------------------NIFH_FRXC_1  ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1m1y G   1 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTA 286
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280      

Chain H from PDB  Type:PROTEIN  Length:289
 aligned with NIFH1_AZOVI | P00459 from UniProtKB/Swiss-Prot  Length:290

    Alignment length:289
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281         
          NIFH1_AZOVI     2 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTAEEV 290
               SCOP domains d1m1yh_ H: Nitrogenase iron protein                                                                                                                                                                                                                                                               SCOP domains
               CATH domains 1m1yH00 H:1-289 P-loop containing nucleotide triphosphate hydrolases                                                                                                                                                                                                                              CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee....hhhhhhhhhhhhhhhh...eeeeee......hhhhhh.....hhhhhhh........hhhhh.ee.hhh.eeee.........hhhhhhhhhhhhhhhh........eeeeeee....hhhhhhhhhh....eeeeee..hhhhhhhhhhhhhhhhhhhh....eeeeeeee.....hhhhhhhhhhhhhh..eeeee...hhhhhhhhhh.hhhhhh..hhhhhhhhhhhhhhhh..........hhhhhhhhhhhh.................. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -NIFH_FRXC_3  PDB: H:2-274 UniProt: 3-275                                                                                                                                                                                                                                         --------------- PROSITE (1)
                PROSITE (2) ----------------------------------------------------------------------------------------------------------------------------NIFH_FRXC_2   ------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) --------------------------------------------------------------------------------------NIFH_FRXC_1  ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1m1y H   1 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTAEEV 289
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280         

Chain I from PDB  Type:PROTEIN  Length:477
 aligned with NIFD_AZOVI | P07328 from UniProtKB/Swiss-Prot  Length:492

    Alignment length:477
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473       
           NIFD_AZOVI     4 MSREEVESLIQEVLEVYPEKARKDRNKHLAVNDPAVTQSKKCIISNKKSQPGLMTIRGCAYAGSKGVVWGPIKDMIHISHGPVGCGQYSRAGRRNYYIGTTGVNAFVTMNFTSDFQEKDIVFGGDKKLAKLIDEVETLFPLNKGISVQSECPIGLIGDDIESVSKVKGAELSKTIVPVRCEGFRGVSQSLGHHIANDAVRDWVLGKRDEDTTFASTPYDVAIIGDYNIGGDAWSSRILLEEMGLRCVAQWSGDGSISEIELTPKVKLNLVHCYRSMNYISRHMEEKYGIPWMEYNFFGPTKTIESLRAIAAKFDESIQKKCEEVIAKYKPEWEAVVAKYRPRLEGKRVMLYIGGLRPRHVIGAYEDLGMEVVGTGYEFAHNDDYDRTMKEMGDSTLLYDDVTGYEFEEFVKRIKPDLIGSGIKEKFIFQKMGIPFREMHSWDYSGPYHGFDGFAIFARDMDMTLNNPCWKKLQAPWE 480
               SCOP domains d1m1yi_ I: Nitrogenase iron-molybdenum protein, alpha chain                                                                                                                                                                                                                                                                                                                                                                                                                                   SCOP domains
               CATH domains 1m1yI01 I:4-62,I:345-479                                   1m1yI02 I:63-205 Nitrogenase molybdenum iron protein domain                                                                                    1m1yI03 I:206-320 Nitrogenase molybdenum iron protein domain                                                       ------------------------1m1yI01 I:4-62,I:345-479 Nitrogenase molybdenum iron protein domain                                                                    - CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhh..hhhhhhhhhhheee......hhhhh................hhhhhhh..........eeeee.hhhhhhhhh....................ee...hhhhhhh.hhhhhhhhhhhhhhhh.....eeeee.hhhhhh..hhhhhhhhhhhhhh..eeee.........hhhhhhhhhhhhhhhhhhhh...........eeeeeee.hhhhhhhhhhhhhhhh..eeeeeee...hhhhhhhhhhh.eeee.hhhhhhhhhhhhhhh....eee....hhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhh......eeee....hhhhhhhhhhhh...eeeeeee...hhhhhhhhhh......eeee..hhhhhhhhhhhhh..eeeehhhhhhhhhhh...eee..hhhhh....hhhhhhhhhhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) -----------------------------------------------------------------------------NITROGEN-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ----------------------------------------------------------------------------------------------------------------------------------------------------NITROGENASE_1_2-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1m1y I   4 MSREEVESLIQEVLEVYPEKARKDRNKHLAVNDPAVTQSKKCIISNKKSQPGLMTIRGCAYAGSKGVVWGPIKDMIHISHGPVGCGQYSRAGRRNYYIGTTGVNAFVTMNFTSDFQEKDIVFGGDKKLAKLIDEVETLFPLNKGISVQSECPIGLIGDDIESVSKVKGAELSKTIVPVRCEGFRGVSQSLGHHIANDAVRDWVLGKRDEDTTFASTPYDVAIIGDYNIGGDAWSSRILLEEMGLRCVAQWSGDGSISEIELTPKVKLNLVHCYRSMNYISRHMEEKYGIPWMEYNFFGPTKTIESLRAIAAKFDESIQKKCEEVIAKYKPEWEAVVAKYRPRLEGKRVMLYIGGLRPRHVIGAYEDLGMEVVGTGYEFAHNDDYDRTMKEMGDSTLLYDDVTGYEFEEFVKRIKPDLIGSGIKEKFIFQKMGIPFREMHSWDYSGPYHGFDGFAIFARDMDMTLNNPCWKKLQAPWE 480
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473       

Chain J from PDB  Type:PROTEIN  Length:522
 aligned with NIFK_AZOVI | P07329 from UniProtKB/Swiss-Prot  Length:523

    Alignment length:522
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481       491       501       511       521  
           NIFK_AZOVI     2 SQQVDKIKASYPLFLDQDYKDMLAKKRDGFEEKYPQDKIDEVFQWTTTKEYQELNFQREALTVNPAKACQPLGAVLCALGFEKTMPYVHGSQGCVAYFRSYFNRHFREPVSCVSDSMTEDAAVFGGQQNMKDGLQNCKATYKPDMIAVSTTCMAEVIGDDLNAFINNSKKEGFIPDEFPVPFAHTPSFVGSHVTGWDNMFEGIARYFTLKSMDDKVVGSNKKINIVPGFETYLGNFRVIKRMLSEMGVGYSLLSDPEEVLDTPADGQFRMYAGGTTQEEMKDAPNALNTVLLQPWHLEKTKKFVEGTWKHEVPKLNIPMGLDWTDEFLMKVSEISGQPIPASLTKERGRLVDMMTDSHTWLHGKRFALWGDPDFVMGLVKFLLELGCEPVHILCHNGNKRWKKAVDAILAASPYGKNATVYIGKDLWHLRSLVFTDKPDFMIGNSYGKFIQRDTLHKGKEFEVPLIRIGFPIFDRHHLHRSTTLGYEGAMQILTTLVNSILERLDEETRGMQATDYNHDLVR 523
               SCOP domains d1m1yj_ J: Nitrogenase iron-molybdenum protein, beta chain                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 SCOP domains
               CATH domains --------------------------------------------------------------------1m1yJ01 J:70-215 Nitrogenase molybdenum iron protein domain                                                                                       1m1yJ02 J:216-320 Nitrogenase molybdenum iron protein domain                                             1m1yJ03 J:321-364,J:485-523                 1m1yJ04 J:365-470 Nitrogenase molybdenum iron protein domain                                              --------------1m1yJ03 J:321-364,J:485-523             CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ........hhhhhh.hhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh....ee.....hhhhhhhhhhhh...eeeeee.hhhhhhhhhhhhhhhhh.....ee...hhhhh...hhhhhhhhhhhhhhhh...eeeeeehhhhhhh..hhhhhhhhhhhh...................hhhhhhhhhhhhhhhhhhhhhh.........eeeee.....hhhhhhhhhhhhhhh..eeee.......................hhhhhhhhhhh.eeee.hhhhhhhhhhhhhhh............hhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh..eeeee.hhhhhhhhhhhhhhhh.eeeeeee...hhhhhhhhhhhhhhhhhhh..eeee..hhhhhhhhhhhh...eeee..hhhhhhhhhhhhhhhhh..eee.........hhhhh..hhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhh.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (2) -----------------------------------------------------------------------------------------------------------------------------------------------------NITROGENASE_1_2---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (3)
                PROSITE (4) --------------------------------------------------------------------------------------NITROGEN-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (4)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1m1y J   2 SQQVDKIKASYPLFLDQDYKDMLAKKRDGFEEKYPQDKIDEVFQWTTTKEYQELNFQREALTVNPAKACQPLGAVLCALGFEKTMPYVHGSQGCVAYFRSYFNRHFREPVSCVSDSMTEDAAVFGGQQNMKDGLQNCKATYKPDMIAVSTTCMAEVIGDDLNAFINNSKKEGFIPDEFPVPFAHTPSFVGSHVTGWDNMFEGIARYFTLKSMDDKVVGSNKKINIVPGFETYLGNFRVIKRMLSEMGVGYSLLSDPEEVLDTPADGQFRMYAGGTTQEEMKDAPNALNTVLLQPWHLEKTKKFVEGTWKHEVPKLNIPMGLDWTDEFLMKVSEISGQPIPASLTKERGRLVDMMTDSHTWLHGKRFALWGDPDFVMGLVKFLLELGCEPVHILCHNGNKRWKKAVDAILAASPYGKNATVYIGKDLWHLRSLVFTDKPDFMIGNSYGKFIQRDTLHKGKEFEVPLIRIGFPIFDRHHLHRSTTLGYEGAMQILTTLVNSILERLDEETRGMQATDYNHDLVR 523
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481       491       501       511       521  

Chain K from PDB  Type:PROTEIN  Length:477
 aligned with NIFD_AZOVI | P07328 from UniProtKB/Swiss-Prot  Length:492

    Alignment length:477
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473       
           NIFD_AZOVI     4 MSREEVESLIQEVLEVYPEKARKDRNKHLAVNDPAVTQSKKCIISNKKSQPGLMTIRGCAYAGSKGVVWGPIKDMIHISHGPVGCGQYSRAGRRNYYIGTTGVNAFVTMNFTSDFQEKDIVFGGDKKLAKLIDEVETLFPLNKGISVQSECPIGLIGDDIESVSKVKGAELSKTIVPVRCEGFRGVSQSLGHHIANDAVRDWVLGKRDEDTTFASTPYDVAIIGDYNIGGDAWSSRILLEEMGLRCVAQWSGDGSISEIELTPKVKLNLVHCYRSMNYISRHMEEKYGIPWMEYNFFGPTKTIESLRAIAAKFDESIQKKCEEVIAKYKPEWEAVVAKYRPRLEGKRVMLYIGGLRPRHVIGAYEDLGMEVVGTGYEFAHNDDYDRTMKEMGDSTLLYDDVTGYEFEEFVKRIKPDLIGSGIKEKFIFQKMGIPFREMHSWDYSGPYHGFDGFAIFARDMDMTLNNPCWKKLQAPWE 480
               SCOP domains d1m1yk_ K: Nitrogenase iron-molybdenum protein, alpha chain                                                                                                                                                                                                                                                                                                                                                                                                                                   SCOP domains
               CATH domains 1m1yK01 K:4-62,K:345-479                                   1m1yK02 K:63-205 Nitrogenase molybdenum iron protein domain                                                                                    1m1yK03 K:206-320 Nitrogenase molybdenum iron protein domain                                                       ------------------------1m1yK01 K:4-62,K:345-479 Nitrogenase molybdenum iron protein domain                                                                    - CATH domains
           Pfam domains (1) ----------------------------------------------------------Oxidored_nitro-1m1yK01 K:62-468                                                                                                                                                                                                                                                                                                                                                                                        ------------ Pfam domains (1)
           Pfam domains (2) ----------------------------------------------------------Oxidored_nitro-1m1yK02 K:62-468                                                                                                                                                                                                                                                                                                                                                                                        ------------ Pfam domains (2)
           Pfam domains (3) ----------------------------------------------------------Oxidored_nitro-1m1yK03 K:62-468                                                                                                                                                                                                                                                                                                                                                                                        ------------ Pfam domains (3)
           Pfam domains (4) ----------------------------------------------------------Oxidored_nitro-1m1yK04 K:62-468                                                                                                                                                                                                                                                                                                                                                                                        ------------ Pfam domains (4)
         Sec.struct. author .hhhhhhhhhhhhhh..hhhhhhhhhhheee......hhhhh................hhhhhhh..........eeeee.hhhhhhhhh....................ee...hhhhhhh.hhhhhhhhhhhhhhhh.....eeeee.hhhhhh..hhhhhhhhhhhhhh..eeee.........hhhhhhhhhhhhhhhhhhhh...........eeeeeee.hhhhhhhhhhhhhhhh..eeeeeee...hhhhhhhhhhh.eeee.hhhhhhhhhhhhhhh....eee....hhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhh......eeee....hhhhhhhhhhhh...eeeeeee...hhhhhhhhhh......eeee..hhhhhhhhhhhhh..eeeehhhhhhhhhhh...eee..hhhhh....hhhhhhhhhhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) -----------------------------------------------------------------------------NITROGEN-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ----------------------------------------------------------------------------------------------------------------------------------------------------NITROGENASE_1_2-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1m1y K   4 MSREEVESLIQEVLEVYPEKARKDRNKHLAVNDPAVTQSKKCIISNKKSQPGLMTIRGCAYAGSKGVVWGPIKDMIHISHGPVGCGQYSRAGRRNYYIGTTGVNAFVTMNFTSDFQEKDIVFGGDKKLAKLIDEVETLFPLNKGISVQSECPIGLIGDDIESVSKVKGAELSKTIVPVRCEGFRGVSQSLGHHIANDAVRDWVLGKRDEDTTFASTPYDVAIIGDYNIGGDAWSSRILLEEMGLRCVAQWSGDGSISEIELTPKVKLNLVHCYRSMNYISRHMEEKYGIPWMEYNFFGPTKTIESLRAIAAKFDESIQKKCEEVIAKYKPEWEAVVAKYRPRLEGKRVMLYIGGLRPRHVIGAYEDLGMEVVGTGYEFAHNDDYDRTMKEMGDSTLLYDDVTGYEFEEFVKRIKPDLIGSGIKEKFIFQKMGIPFREMHSWDYSGPYHGFDGFAIFARDMDMTLNNPCWKKLQAPWE 480
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473       

Chain L from PDB  Type:PROTEIN  Length:522
 aligned with NIFK_AZOVI | P07329 from UniProtKB/Swiss-Prot  Length:523

    Alignment length:522
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481       491       501       511       521  
           NIFK_AZOVI     2 SQQVDKIKASYPLFLDQDYKDMLAKKRDGFEEKYPQDKIDEVFQWTTTKEYQELNFQREALTVNPAKACQPLGAVLCALGFEKTMPYVHGSQGCVAYFRSYFNRHFREPVSCVSDSMTEDAAVFGGQQNMKDGLQNCKATYKPDMIAVSTTCMAEVIGDDLNAFINNSKKEGFIPDEFPVPFAHTPSFVGSHVTGWDNMFEGIARYFTLKSMDDKVVGSNKKINIVPGFETYLGNFRVIKRMLSEMGVGYSLLSDPEEVLDTPADGQFRMYAGGTTQEEMKDAPNALNTVLLQPWHLEKTKKFVEGTWKHEVPKLNIPMGLDWTDEFLMKVSEISGQPIPASLTKERGRLVDMMTDSHTWLHGKRFALWGDPDFVMGLVKFLLELGCEPVHILCHNGNKRWKKAVDAILAASPYGKNATVYIGKDLWHLRSLVFTDKPDFMIGNSYGKFIQRDTLHKGKEFEVPLIRIGFPIFDRHHLHRSTTLGYEGAMQILTTLVNSILERLDEETRGMQATDYNHDLVR 523
               SCOP domains d1m1yl_ L: Nitrogenase iron-molybdenum protein, beta chain                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 SCOP domains
               CATH domains --------------------------------------------------------------------1m1yL01 L:70-215 Nitrogenase molybdenum iron protein domain                                                                                       1m1yL02 L:216-320 Nitrogenase molybdenum iron protein domain                                             1m1yL03 L:321-364,L:485-523                 1m1yL04 L:365-470 Nitrogenase molybdenum iron protein domain                                              --------------1m1yL03 L:321-364,L:485-523             CATH domains
           Pfam domains (1) DUF3364-1m1yL01 L:2-56                                 -------------Oxidored_nitro-1m1yL05 L:70-502                                                                                                                                                                                                                                                                                                                                                                                                                  --------------------- Pfam domains (1)
           Pfam domains (2) DUF3364-1m1yL02 L:2-56                                 -------------Oxidored_nitro-1m1yL06 L:70-502                                                                                                                                                                                                                                                                                                                                                                                                                  --------------------- Pfam domains (2)
           Pfam domains (3) DUF3364-1m1yL03 L:2-56                                 -------------Oxidored_nitro-1m1yL07 L:70-502                                                                                                                                                                                                                                                                                                                                                                                                                  --------------------- Pfam domains (3)
           Pfam domains (4) DUF3364-1m1yL04 L:2-56                                 -------------Oxidored_nitro-1m1yL08 L:70-502                                                                                                                                                                                                                                                                                                                                                                                                                  --------------------- Pfam domains (4)
         Sec.struct. author ........hhhhhh.hhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh....ee.....hhhhhhhhhhhh...eeeeee.hhhhhhhhhhhhhhhhh.....ee...hhhhh...hhhhhhhhhhhhhhhh...eeeeeehhhhhhh..hhhhhhhhhhhh...................hhhhhhhhhhhhhhhhhhhhhh.........eeeee.....hhhhhhhhhhhhhhh..eeee.......................hhhhhhhhhhh.eeee.hhhhhhhhhhhhhhh............hhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh..eeeee.hhhhhhhhhhhhhhhh.eeeeeee...hhhhhhhhhhhhhhhhhhh..eeee..hhhhhhhhhhhh...eeee..hhhhhhhhhhhhhhhhh..eee.........hhhhh..hhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhh.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (2) -----------------------------------------------------------------------------------------------------------------------------------------------------NITROGENASE_1_2---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (3)
                PROSITE (4) --------------------------------------------------------------------------------------NITROGEN-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (4)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1m1y L   2 SQQVDKIKASYPLFLDQDYKDMLAKKRDGFEEKYPQDKIDEVFQWTTTKEYQELNFQREALTVNPAKACQPLGAVLCALGFEKTMPYVHGSQGCVAYFRSYFNRHFREPVSCVSDSMTEDAAVFGGQQNMKDGLQNCKATYKPDMIAVSTTCMAEVIGDDLNAFINNSKKEGFIPDEFPVPFAHTPSFVGSHVTGWDNMFEGIARYFTLKSMDDKVVGSNKKINIVPGFETYLGNFRVIKRMLSEMGVGYSLLSDPEEVLDTPADGQFRMYAGGTTQEEMKDAPNALNTVLLQPWHLEKTKKFVEGTWKHEVPKLNIPMGLDWTDEFLMKVSEISGQPIPASLTKERGRLVDMMTDSHTWLHGKRFALWGDPDFVMGLVKFLLELGCEPVHILCHNGNKRWKKAVDAILAASPYGKNATVYIGKDLWHLRSLVFTDKPDFMIGNSYGKFIQRDTLHKGKEFEVPLIRIGFPIFDRHHLHRSTTLGYEGAMQILTTLVNSILERLDEETRGMQATDYNHDLVR 523
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481       491       501       511       521  

Chain M from PDB  Type:PROTEIN  Length:286
 aligned with NIFH1_AZOVI | P00459 from UniProtKB/Swiss-Prot  Length:290

    Alignment length:286
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281      
          NIFH1_AZOVI     2 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTA 287
               SCOP domains d1m1ym_ M: Nitrogenase iron protein                                                                                                                                                                                                                                                            SCOP domains
               CATH domains 1m1yM00 M:1-286 P-loop containing nucleotide triphosphate hydrolases                                                                                                                                                                                                                           CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee....hhhhhhhhhhhhhhhh...eeeeee.................hhhhhhh..............eee...eeeee...........hhhhhhhhhhhhhh........eeeeee.....hhhhhhhhhh....eeeee...hhhhhhhhhhhhhhhhhhh.........eeee.....hhhhhhhhhhhhhh....eee..hhhhhhhh....hhhhhh...hhhhhhhhhhhhhhhh.........hhhhhhhhhhh................ Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -NIFH_FRXC_3  PDB: M:2-274 UniProt: 3-275                                                                                                                                                                                                                                         ------------ PROSITE (1)
                PROSITE (2) ----------------------------------------------------------------------------------------------------------------------------NIFH_FRXC_2   ---------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) --------------------------------------------------------------------------------------NIFH_FRXC_1  ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1m1y M   1 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTA 286
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280      

Chain N from PDB  Type:PROTEIN  Length:289
 aligned with NIFH1_AZOVI | P00459 from UniProtKB/Swiss-Prot  Length:290

    Alignment length:289
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281         
          NIFH1_AZOVI     2 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTAEEV 290
               SCOP domains d1m1yn_ N: Nitrogenase iron protein                                                                                                                                                                                                                                                               SCOP domains
               CATH domains 1m1yN00 N:1-289 P-loop containing nucleotide triphosphate hydrolases                                                                                                                                                                                                                              CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee....hhhhhhhhhhhhhhhh...eeeeee......hhhhhh.....hhhhhhh........hhhhh.ee.hhh.eeee.........hhhhhhhhhhhhhhhh........eeeeee.........hhhhhh....eeeeee..hhhhhhhhhhhhhhhhhhhh....eeeeeeee.....hhhhhhhhhhhhhh..eeeee...hhhhhhhhh..hhhhhh..hhhhhhhhhhhhhhhh..........hhhhhhhhhhhh.................. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -NIFH_FRXC_3  PDB: N:2-274 UniProt: 3-275                                                                                                                                                                                                                                         --------------- PROSITE (1)
                PROSITE (2) ----------------------------------------------------------------------------------------------------------------------------NIFH_FRXC_2   ------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) --------------------------------------------------------------------------------------NIFH_FRXC_1  ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1m1y N   1 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTAEEV 289
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280         

Chain O from PDB  Type:PROTEIN  Length:286
 aligned with NIFH1_AZOVI | P00459 from UniProtKB/Swiss-Prot  Length:290

    Alignment length:286
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281      
          NIFH1_AZOVI     2 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTA 287
               SCOP domains d1m1yo_ O: Nitrogenase iron protein                                                                                                                                                                                                                                                            SCOP domains
               CATH domains 1m1yO00 O:1-286 P-loop containing nucleotide triphosphate hydrolases                                                                                                                                                                                                                           CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee....hhhhhhhhhhhhhhhh...eeeeee.................hhhhhhh..............eee...eeeee.........hhhhhhhhhhhhhhhh........eeeeee.....hhhhhhhhhh....eeeee...hhhhhhhhhhhhhhhhhhh.........eeee.....hhhhhhhhhhhhhh....eee..hhhhhhhh....hhhhhh..hhhhhhhhhhhhhhhhh.........hhhhhhhhhhh................ Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -NIFH_FRXC_3  PDB: O:2-274 UniProt: 3-275                                                                                                                                                                                                                                         ------------ PROSITE (1)
                PROSITE (2) ----------------------------------------------------------------------------------------------------------------------------NIFH_FRXC_2   ---------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) --------------------------------------------------------------------------------------NIFH_FRXC_1  ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1m1y O   1 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTA 286
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280      

Chain P from PDB  Type:PROTEIN  Length:289
 aligned with NIFH1_AZOVI | P00459 from UniProtKB/Swiss-Prot  Length:290

    Alignment length:289
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281         
          NIFH1_AZOVI     2 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTAEEV 290
               SCOP domains d1m1yp_ P: Nitrogenase iron protein                                                                                                                                                                                                                                                               SCOP domains
               CATH domains 1m1yP00 P:1-289 P-loop containing nucleotide triphosphate hydrolases                                                                                                                                                                                                                              CATH domains
           Pfam domains (1) --Fer4_NifH-1m1yP01 P:3-275                                                                                                                                                                                                                                                        -------------- Pfam domains (1)
           Pfam domains (2) --Fer4_NifH-1m1yP02 P:3-275                                                                                                                                                                                                                                                        -------------- Pfam domains (2)
           Pfam domains (3) --Fer4_NifH-1m1yP03 P:3-275                                                                                                                                                                                                                                                        -------------- Pfam domains (3)
           Pfam domains (4) --Fer4_NifH-1m1yP04 P:3-275                                                                                                                                                                                                                                                        -------------- Pfam domains (4)
           Pfam domains (5) --Fer4_NifH-1m1yP05 P:3-275                                                                                                                                                                                                                                                        -------------- Pfam domains (5)
           Pfam domains (6) --Fer4_NifH-1m1yP06 P:3-275                                                                                                                                                                                                                                                        -------------- Pfam domains (6)
           Pfam domains (7) --Fer4_NifH-1m1yP07 P:3-275                                                                                                                                                                                                                                                        -------------- Pfam domains (7)
           Pfam domains (8) --Fer4_NifH-1m1yP08 P:3-275                                                                                                                                                                                                                                                        -------------- Pfam domains (8)
         Sec.struct. author ..eeeeeee....hhhhhhhhhhhhhhhh...eeeeee......hhhhhh.....hhhhhhh........hhhhh.ee.hhh.eeee.........hhhhhhhhhhhhhhhh........eeeeee.....hhhhhhhhhh....eeeeee..hhhhhhhhhhhhhhhhhhhh....eeeeeeee.....hhhhhhhhhhhhhh..eeeee...hhhhhhhhh..hhhhhh..hhhhhhhhhhhhhhhh..........hhhhhhhhhhhh.................. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -NIFH_FRXC_3  PDB: P:2-274 UniProt: 3-275                                                                                                                                                                                                                                         --------------- PROSITE (1)
                PROSITE (2) ----------------------------------------------------------------------------------------------------------------------------NIFH_FRXC_2   ------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) --------------------------------------------------------------------------------------NIFH_FRXC_1  ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1m1y P   1 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTAEEV 289
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280         

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (3, 16)

Asymmetric Unit

(-) CATH Domains  (3, 36)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)
1a1m1yA02A:63-205
1b1m1yB02B:216-320
1c1m1yD02D:216-320
1d1m1yJ02J:216-320
1e1m1yL02L:216-320
1f1m1yA01A:4-62,A:345-479
1g1m1yC01C:4-62,C:345-479
1h1m1yI01I:4-62,I:345-479
1i1m1yK01K:4-62,K:345-479
1j1m1yC02C:63-205
1k1m1yI02I:63-205
1l1m1yK02K:63-205
1m1m1yB01B:70-215
1n1m1yD01D:70-215
1o1m1yJ01J:70-215
1p1m1yL01L:70-215
1q1m1yA03A:206-320
1r1m1yC03C:206-320
1s1m1yI03I:206-320
1t1m1yK03K:206-320
1u1m1yB04B:365-470
1v1m1yD04D:365-470
1w1m1yJ04J:365-470
1x1m1yL04L:365-470

(-) Pfam Domains  (3, 20)

Asymmetric Unit

(-) Gene Ontology  (11, 31)

Asymmetric Unit(hide GO term definitions)
Chain A,C,I,K   (NIFD_AZOVI | P07328)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0018697    carbonyl sulfide nitrogenase activity    Catalysis of the reaction: carbonyl sulfide + 2 H+ + 2 e- = hydrogen sulfide + carbon monoxide.
    GO:0051536    iron-sulfur cluster binding    Interacting selectively and non-covalently with an iron-sulfur cluster, a combination of iron and sulfur atoms.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0016163    nitrogenase activity    Catalysis of the reaction: 8 reduced ferredoxin + 8 H+ + nitrogen + 16 ATP = 8 oxidized ferredoxin + 2 NH3 + 16 ADP + 16 phosphate.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    GO:0016491    oxidoreductase activity    Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
biological process
    GO:0009399    nitrogen fixation    The process in which nitrogen is taken from its relatively inert molecular form (N2) in the atmosphere and converted into nitrogen compounds useful for other chemical processes, such as ammonia, nitrate and nitrogen dioxide.
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
cellular component
    GO:0016612    molybdenum-iron nitrogenase complex    An enzyme complex containing a molybdenum-iron cluster found in many species. It is composed of two proteins, dinitrogenase and nitrogenase reductase; dinitrogenase, the molybdenum-iron protein, is tetrameric with an alpha2-beta2 structure, and nitrogenase reductase is a homodimer.

Chain B,D,J,L   (NIFK_AZOVI | P07329)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0018697    carbonyl sulfide nitrogenase activity    Catalysis of the reaction: carbonyl sulfide + 2 H+ + 2 e- = hydrogen sulfide + carbon monoxide.
    GO:0051536    iron-sulfur cluster binding    Interacting selectively and non-covalently with an iron-sulfur cluster, a combination of iron and sulfur atoms.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0016163    nitrogenase activity    Catalysis of the reaction: 8 reduced ferredoxin + 8 H+ + nitrogen + 16 ATP = 8 oxidized ferredoxin + 2 NH3 + 16 ADP + 16 phosphate.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    GO:0016491    oxidoreductase activity    Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
biological process
    GO:0009399    nitrogen fixation    The process in which nitrogen is taken from its relatively inert molecular form (N2) in the atmosphere and converted into nitrogen compounds useful for other chemical processes, such as ammonia, nitrate and nitrogen dioxide.
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
cellular component
    GO:0016612    molybdenum-iron nitrogenase complex    An enzyme complex containing a molybdenum-iron cluster found in many species. It is composed of two proteins, dinitrogenase and nitrogenase reductase; dinitrogenase, the molybdenum-iron protein, is tetrameric with an alpha2-beta2 structure, and nitrogenase reductase is a homodimer.

Chain E,F,G,H,M,N,O,P   (NIFH1_AZOVI | P00459)
molecular function
    GO:0051539    4 iron, 4 sulfur cluster binding    Interacting selectively and non-covalently with a 4 iron, 4 sulfur (4Fe-4S) cluster; this cluster consists of four iron atoms, with the inorganic sulfur atoms found between the irons and acting as bridging ligands.
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0018697    carbonyl sulfide nitrogenase activity    Catalysis of the reaction: carbonyl sulfide + 2 H+ + 2 e- = hydrogen sulfide + carbon monoxide.
    GO:0051536    iron-sulfur cluster binding    Interacting selectively and non-covalently with an iron-sulfur cluster, a combination of iron and sulfur atoms.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0016163    nitrogenase activity    Catalysis of the reaction: 8 reduced ferredoxin + 8 H+ + nitrogen + 16 ATP = 8 oxidized ferredoxin + 2 NH3 + 16 ADP + 16 phosphate.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    GO:0016491    oxidoreductase activity    Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
biological process
    GO:0009399    nitrogen fixation    The process in which nitrogen is taken from its relatively inert molecular form (N2) in the atmosphere and converted into nitrogen compounds useful for other chemical processes, such as ammonia, nitrate and nitrogen dioxide.
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
cellular component
    GO:0016612    molybdenum-iron nitrogenase complex    An enzyme complex containing a molybdenum-iron cluster found in many species. It is composed of two proteins, dinitrogenase and nitrogenase reductase; dinitrogenase, the molybdenum-iron protein, is tetrameric with an alpha2-beta2 structure, and nitrogenase reductase is a homodimer.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        NIFD_AZOVI | P073281fp4 1g20 1g21 1l5h 1m1n 1m34 1n2c 2afh 2afi 2min 3k1a 3min 3u7q 4nd8 4tku 4tkv 4wna 4wza 4wzb 4xpi 5bvg 5bvh 5cx1
        NIFH1_AZOVI | P004591de0 1fp6 1g1m 1g20 1g21 1g5p 1m34 1n2c 1nip 1rw4 1xcp 1xd8 1xd9 1xdb 2afh 2afi 2c8v 2nip 4wza 4wzb
        NIFK_AZOVI | P073291fp4 1g20 1g21 1l5h 1m1n 1m34 1n2c 2afh 2afi 2min 3k1a 3min 3u7q 4nd8 4tku 4tkv 4wna 4wza 4wzb 4xpi 5bvg 5bvh 5cx1

(-) Related Entries Specified in the PDB File

1n2c 1N2C IS THE NITROGENASE COMPLEX FROM AZOTOBACTER VINELANDII STABILIZED BY ADP-TETRAFLUOROALUMINATE
3min 3MIN IS THE NITROGENASE MOFE PROTEIN FROM AZOTOBACTER VINELANDII, OXIDIZED STATE