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(-) Description

Title :  CRYSTAL STRUCTURE OF MGADP BOUND AV2-AV1 COMPLEX
 
Authors :  F. A. Tezcan, J. T. Kaiser, D. Mustafi, M. Y. Walton, J. B. Howard, D. C. Rees
Date :  25 Jul 05  (Deposition) - 06 Sep 05  (Release) - 05 May 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.10
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 :  Nitrogen Fixation, Iron-Sulfur, Metal-Binding, Molybdenum, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  F. A. Tezcan, J. T. Kaiser, D. Mustafi, M. Y. Walton, J. B. Howard, D. C. Rees
Nitrogenase Complexes: Multiple Docking Sites For A Nucleotide Switch Protein
Science V. 309 1377 2005
PubMed-ID: 16123301  |  Reference-DOI: 10.1126/SCIENCE.1115653
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - NITROGENASE MOLYBDENUM-IRON PROTEIN
    ChainsA, C, I, K
    EC Number1.18.6.1
    Organism ScientificAZOTOBACTER VINELANDII
    Organism Taxid354
    Other DetailsALPHA CHAIN
    SynonymNITROGENASE COMPONENT I, DINITROGENASE
 
Molecule 2 - NITROGENASE MOLYBDENUM-IRON PROTEIN
    ChainsB, D, J, L
    EC Number1.18.6.1
    Organism ScientificAZOTOBACTER VINELANDII
    Organism Taxid354
    Other DetailsBETA CHAIN
    SynonymNITROGENASE 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
    SynonymNITROGENASE 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  (7, 36)

Asymmetric Unit (7, 36)
No.NameCountTypeFull Name
1ADP8Ligand/IonADENOSINE-5'-DIPHOSPHATE
2CA4Ligand/IonCALCIUM ION
3CFN4Ligand/IonFE(7)-MO-S(9)-N CLUSTER
4CLF4Ligand/IonFE(8)-S(7) CLUSTER
5HCA4Ligand/Ion3-HYDROXY-3-CARBOXY-ADIPIC ACID
6MG8Ligand/IonMAGNESIUM ION
7SF44Ligand/IonIRON/SULFUR CLUSTER
Biological Unit 1 (5, 12)
No.NameCountTypeFull Name
1ADP4Ligand/IonADENOSINE-5'-DIPHOSPHATE
2CA-1Ligand/IonCALCIUM ION
3CFN2Ligand/IonFE(7)-MO-S(9)-N CLUSTER
4CLF2Ligand/IonFE(8)-S(7) CLUSTER
5HCA2Ligand/Ion3-HYDROXY-3-CARBOXY-ADIPIC ACID
6MG-1Ligand/IonMAGNESIUM ION
7SF42Ligand/IonIRON/SULFUR CLUSTER
Biological Unit 2 (5, 12)
No.NameCountTypeFull Name
1ADP4Ligand/IonADENOSINE-5'-DIPHOSPHATE
2CA-1Ligand/IonCALCIUM ION
3CFN2Ligand/IonFE(7)-MO-S(9)-N CLUSTER
4CLF2Ligand/IonFE(8)-S(7) CLUSTER
5HCA2Ligand/Ion3-HYDROXY-3-CARBOXY-ADIPIC ACID
6MG-1Ligand/IonMAGNESIUM ION
7SF42Ligand/IonIRON/SULFUR CLUSTER

(-) Sites  (36, 36)

Asymmetric Unit (36, 36)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREARG B:108 , GLU B:109 , HOH B:9000 , ASP D:353 , ASP D:357 , HOH D:9001BINDING SITE FOR RESIDUE CA B 2492
02AC2SOFTWAREASP B:353 , ASP B:357 , HOH B:9003 , ARG D:108 , GLU D:109 , HOH D:9002BINDING SITE FOR RESIDUE CA B 4492
03AC3SOFTWARESER E:16 , ASP E:43 , ADP E:1292BINDING SITE FOR RESIDUE MG E 1291
04AC4SOFTWARESER F:16 , ASP F:43 , ADP F:2292BINDING SITE FOR RESIDUE MG F 2291
05AC5SOFTWARESER G:16 , ASP G:39 , ASP G:43 , ASP G:125 , ADP G:3292BINDING SITE FOR RESIDUE MG G 3291
06AC6SOFTWARESER H:16 , ADP H:4292BINDING SITE FOR RESIDUE MG H 4291
07AC7SOFTWAREARG J:108 , GLU J:109 , HOH J:9004 , ASP L:353 , ASP L:357 , HOH L:9005BINDING SITE FOR RESIDUE CA L 6492
08AC8SOFTWAREASP J:353 , ASP J:357 , HOH J:9007 , ARG L:108 , GLU L:109 , HOH L:9006BINDING SITE FOR RESIDUE CA J 8492
09AC9SOFTWARESER M:16 , ADP M:5292BINDING SITE FOR RESIDUE MG M 5291
10BC1SOFTWAREASP N:43 , ADP N:6292BINDING SITE FOR RESIDUE MG N 6291
11BC2SOFTWARESER O:16 , ASP O:43 , ADP O:7292BINDING SITE FOR RESIDUE MG O 7291
12BC3SOFTWARESER P:16 , ASP P:125 , ADP P:8292BINDING SITE FOR RESIDUE MG P 8291
13BC4SOFTWAREALA A:65 , GLN A:191 , GLY A:424 , ILE A:425 , HIS A:442 , CFN A:496BINDING SITE FOR RESIDUE HCA A 494
14BC5SOFTWAREVAL A:70 , ARG A:96 , HIS A:195 , TYR A:229 , CYS A:275 , GLY A:357 , LEU A:358 , ARG A:359 , PHE A:381 , HIS A:442 , HCA A:494BINDING SITE FOR RESIDUE CFN A 496
15BC6SOFTWARECYS A:62 , PRO A:85 , CYS A:88 , TYR A:91 , CYS A:154 , GLY A:185 , CYS B:70 , SER B:92 , GLY B:94 , CYS B:95 , TYR B:98 , CYS B:153 , SER B:188BINDING SITE FOR RESIDUE CLF B 1498
16BC7SOFTWAREALA C:65 , GLN C:191 , GLY C:424 , ILE C:425 , HIS C:442 , CFN C:496BINDING SITE FOR RESIDUE HCA C 494
17BC8SOFTWAREARG C:96 , HIS C:195 , TYR C:229 , CYS C:275 , ILE C:355 , GLY C:357 , LEU C:358 , ARG C:359 , PHE C:381 , HIS C:442 , HCA C:494BINDING SITE FOR RESIDUE CFN C 496
18BC9SOFTWARECYS C:62 , PRO C:85 , CYS C:88 , TYR C:91 , CYS C:154 , GLY C:185 , CYS D:70 , SER D:92 , CYS D:95 , TYR D:98 , THR D:152 , CYS D:153 , SER D:188BINDING SITE FOR RESIDUE CLF D 3498
19CC1SOFTWARECYS E:97 , CYS E:132 , CYS F:97 , ALA F:98 , GLY F:99 , CYS F:132BINDING SITE FOR RESIDUE SF4 F 1290
20CC2SOFTWARELYS E:10 , GLY E:11 , GLY E:12 , ILE E:13 , GLY E:14 , LYS E:15 , SER E:16 , THR E:17 , PRO E:212 , ASP E:214 , VAL E:217 , GLN E:218 , GLU E:221 , MG E:1291 , MET F:156BINDING SITE FOR RESIDUE ADP E 1292
21CC3SOFTWAREMET E:156 , GLY F:11 , GLY F:12 , ILE F:13 , GLY F:14 , LYS F:15 , SER F:16 , THR F:17 , LYS F:41 , ASN F:185 , VAL F:211 , PRO F:212 , ARG F:213 , ASP F:214 , VAL F:217 , TYR F:240 , MG F:2291BINDING SITE FOR RESIDUE ADP F 2292
22CC4SOFTWAREALA G:98 , GLY G:99 , CYS G:132 , GLY G:134 , CYS H:97 , CYS H:132 , PHE H:135BINDING SITE FOR RESIDUE SF4 G 3290
23CC5SOFTWARELYS G:10 , GLY G:11 , GLY G:12 , ILE G:13 , GLY G:14 , LYS G:15 , SER G:16 , THR G:17 , ASN G:185 , VAL G:211 , PRO G:212 , ARG G:213 , ASP G:214 , GLU G:221 , MG G:3291BINDING SITE FOR RESIDUE ADP G 3292
24CC6SOFTWAREGLY H:12 , ILE H:13 , GLY H:14 , LYS H:15 , SER H:16 , THR H:17 , MG H:4291BINDING SITE FOR RESIDUE ADP H 4292
25CC7SOFTWAREALA I:65 , GLN I:191 , GLY I:424 , ILE I:425 , HIS I:442 , CFN I:496BINDING SITE FOR RESIDUE HCA I 494
26CC8SOFTWAREVAL I:70 , ARG I:96 , HIS I:195 , TYR I:229 , CYS I:275 , ILE I:355 , GLY I:357 , LEU I:358 , ARG I:359 , PHE I:381 , HIS I:442 , HCA I:494BINDING SITE FOR RESIDUE CFN I 496
27CC9SOFTWARECYS I:62 , PRO I:85 , CYS I:88 , TYR I:91 , CYS I:154 , GLY I:185 , CYS J:70 , SER J:92 , GLY J:94 , CYS J:95 , TYR J:98 , CYS J:153 , SER J:188BINDING SITE FOR RESIDUE CLF J 5498
28DC1SOFTWAREALA K:65 , GLN K:191 , GLY K:424 , ILE K:425 , HIS K:442 , CFN K:496BINDING SITE FOR RESIDUE HCA K 494
29DC2SOFTWAREVAL K:70 , ARG K:96 , HIS K:195 , TYR K:229 , CYS K:275 , ILE K:355 , GLY K:357 , LEU K:358 , ARG K:359 , PHE K:381 , HIS K:442 , HCA K:494BINDING SITE FOR RESIDUE CFN K 496
30DC3SOFTWARECYS K:62 , PRO K:85 , CYS K:88 , TYR K:91 , CYS K:154 , GLY K:185 , CYS L:70 , SER L:92 , GLY L:94 , CYS L:95 , TYR L:98 , THR L:152 , CYS L:153 , SER L:188BINDING SITE FOR RESIDUE CLF L 7498
31DC4SOFTWARECYS M:97 , ALA M:98 , CYS M:132 , CYS N:97 , CYS N:132BINDING SITE FOR RESIDUE SF4 N 5290
32DC5SOFTWAREGLY M:12 , GLY M:14 , LYS M:15 , SER M:16 , THR M:17 , ASN M:185 , VAL M:211 , PRO M:212 , ARG M:213 , ASP M:214 , TYR M:240 , MG M:5291BINDING SITE FOR RESIDUE ADP M 5292
33DC6SOFTWAREGLY N:12 , GLY N:14 , LYS N:15 , SER N:16 , THR N:17 , MG N:6291BINDING SITE FOR RESIDUE ADP N 6292
34DC7SOFTWARECYS O:97 , ALA O:98 , CYS O:132 , CYS P:97 , ALA P:98 , CYS P:132 , GLY P:134 , PHE P:135BINDING SITE FOR RESIDUE SF4 P 7290
35DC8SOFTWARELYS O:10 , GLY O:11 , GLY O:12 , ILE O:13 , GLY O:14 , LYS O:15 , SER O:16 , THR O:17 , ASP O:43 , ASN O:185 , ARG O:213 , ASP O:214 , TYR O:240 , MG O:7291BINDING SITE FOR RESIDUE ADP O 7292
36DC9SOFTWAREMET O:156 , GLY P:12 , ILE P:13 , GLY P:14 , LYS P:15 , SER P:16 , THR P:17 , PRO P:212 , ASP P:214 , MG P:8291BINDING SITE FOR RESIDUE ADP P 8292

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2AFI)

(-) Cis Peptide Bonds  (19, 19)

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
17Arg M:187 -Asn M:188
18Ala P:64 -Gly P:65
19Tyr P:115 -Glu P:116

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2AFI)

(-) PROSITE Motifs  (5, 37)

Asymmetric Unit (5, 37)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1NIFH_FRXC_3PS51026 NIFH_FRXC family profile.NIFH1_AZOVI3-275
 
 
 
 
  5E:2-271
F:2-274
G:2-263
H:2-270
O:2-263
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:2-271
F:2-274
G:2-263
H:2-270
-
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, 17)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1NIFH_FRXC_3PS51026 NIFH_FRXC family profile.NIFH1_AZOVI3-275
 
 
 
 
  1-
-
-
-
O:2-263
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 2AFI)

(-) 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:476
 aligned with NIFD_AZOVI | P07328 from UniProtKB/Swiss-Prot  Length:492

    Alignment length:476
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444       454       464       474      
           NIFD_AZOVI     5 SREEVESLIQEVLEVYPEKARKDRNKHLAVNDPAVTQSKKCIISNKKSQPGLMTIRGCAYAGSKGVVWGPIKDMIHISHGPVGCGQYSRAGRRNYYIGTTGVNAFVTMNFTSDFQEKDIVFGGDKKLAKLIDEVETLFPLNKGISVQSECPIGLIGDDIESVSKVKGAELSKTIVPVRCEGFRGVSQSLGHHIANDAVRDWVLGKRDEDTTFASTPYDVAIIGDYNIGGDAWSSRILLEEMGLRCVAQWSGDGSISEIELTPKVKLNLVHCYRSMNYISRHMEEKYGIPWMEYNFFGPTKTIESLRAIAAKFDESIQKKCEEVIAKYKPEWEAVVAKYRPRLEGKRVMLYIGGLRPRHVIGAYEDLGMEVVGTGYEFAHNDDYDRTMKEMGDSTLLYDDVTGYEFEEFVKRIKPDLIGSGIKEKFIFQKMGIPFREMHSWDYSGPYHGFDGFAIFARDMDMTLNNPCWKKLQAPWE 480
               SCOP domains d2afia_ A: automated matches                                                                                                                                                                                                                                                                                                                                                                                                                                                                 SCOP domains
               CATH domains 2afiA01 A:5-62,A:345-479                                  2afiA02 A:63-205 Nitrogenase molybdenum iron protein domain                                                                                    2afiA03 A:206-320 Nitrogenase molybdenum iron protein domain                                                       ------------------------2afiA01 A:5-62,A:345-479 Nitrogenase molybdenum iron protein domain                                                                    - CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhh..hhhhhhhhhh.eee......hhhhhh...............hhhhhhh.........eeeeee..hhhhhhhh....................ee...hhhhhhhhhhhhhhhhhhhhhhhh....eeeeeehhhhhhh..hhhhhhhhhhhhhh..eeee........hhhhhhhhhhhhhhhhh...............eeeeeee.hhhhhhhhhhhhhhhh..eeeeeee...hhhhhhhhhhh.eeee.hhhhhhhhhhhhhhhhh..eee...hhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..eeeeee..hhhhhhhhhhhhh..eeeeeee...hhhhhhhhhhhh....eeee..hhhhhhhhhhhhh..eeeehhhhhhhhhhh...eee..hhhhh...hhhhhhhhhhhhhhhhhhhhhhh....... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) ----------------------------------------------------------------------------NITROGEN-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ---------------------------------------------------------------------------------------------------------------------------------------------------NITROGENASE_1_2-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2afi A   5 SREEVESLIQEVLEVYPEKARKDRNKHLAVNDPAVTQSKKCIISNKKSQPGLMTIRGCAYAGSKGVVWGPIKDMIHISHGPVGCGQYSRAGRRNYYIGTTGVNAFVTMNFTSDFQEKDIVFGGDKKLAKLIDEVETLFPLNKGISVQSECPIGLIGDDIESVSKVKGAELSKTIVPVRCEGFRGVSQSLGHHIANDAVRDWVLGKRDEDTTFASTPYDVAIIGDYNIGGDAWSSRILLEEMGLRCVAQWSGDGSISEIELTPKVKLNLVHCYRSMNYISRHMEEKYGIPWMEYNFFGPTKTIESLRAIAAKFDESIQKKCEEVIAKYKPEWEAVVAKYRPRLEGKRVMLYIGGLRPRHVIGAYEDLGMEVVGTGYEFAHNDDYDRTMKEMGDSTLLYDDVTGYEFEEFVKRIKPDLIGSGIKEKFIFQKMGIPFREMHSWDYSGPYHGFDGFAIFARDMDMTLNNPCWKKLQAPWE 480
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444       454       464       474      

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 d2afib_ B: automated matches                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               SCOP domains
               CATH domains --------------------------------------------------------------------2afiB01 B:70-215 Nitrogenase molybdenum iron protein domain                                                                                       2afiB02 B:216-320 Nitrogenase molybdenum iron protein domain                                             2afiB03 B:321-364,B:485-523                 2afiB04 B:365-470 Nitrogenase molybdenum iron protein domain                                              --------------2afiB03 B:321-364,B:485-523             CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ........hhhhhh.hhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhh....ee.....hhhhhhhhhhh....eeeeee.hhhhhhhhhhhhhhhhh.....ee...hhhhhhhhhhhhhhhhhhhhhhhhh..eeeeeehhhhhhhh.hhhhhhhhhhhh...................hhhhhhhhhhhhhhhhhhh.............eeee.....hhhhhhhhhhhhhhhh..eee.....hhhhh.............hhhhhhhhhhh.eeee.hhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh..eeeee.hhhhhhhhhhhhhhh..eeeeeee...hhhhhhhhhhhhhhhhhhh..eeee..hhhhhhhhhhhh...eeeehhhhhhhhhhhhhhh......eee.........hhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhh....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
                 2afi 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:476
 aligned with NIFD_AZOVI | P07328 from UniProtKB/Swiss-Prot  Length:492

    Alignment length:476
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444       454       464       474      
           NIFD_AZOVI     5 SREEVESLIQEVLEVYPEKARKDRNKHLAVNDPAVTQSKKCIISNKKSQPGLMTIRGCAYAGSKGVVWGPIKDMIHISHGPVGCGQYSRAGRRNYYIGTTGVNAFVTMNFTSDFQEKDIVFGGDKKLAKLIDEVETLFPLNKGISVQSECPIGLIGDDIESVSKVKGAELSKTIVPVRCEGFRGVSQSLGHHIANDAVRDWVLGKRDEDTTFASTPYDVAIIGDYNIGGDAWSSRILLEEMGLRCVAQWSGDGSISEIELTPKVKLNLVHCYRSMNYISRHMEEKYGIPWMEYNFFGPTKTIESLRAIAAKFDESIQKKCEEVIAKYKPEWEAVVAKYRPRLEGKRVMLYIGGLRPRHVIGAYEDLGMEVVGTGYEFAHNDDYDRTMKEMGDSTLLYDDVTGYEFEEFVKRIKPDLIGSGIKEKFIFQKMGIPFREMHSWDYSGPYHGFDGFAIFARDMDMTLNNPCWKKLQAPWE 480
               SCOP domains d2afic_ C: automated matches                                                                                                                                                                                                                                                                                                                                                                                                                                                                 SCOP domains
               CATH domains 2afiC01 C:5-62,C:345-479                                  2afiC02 C:63-205 Nitrogenase molybdenum iron protein domain                                                                                    2afiC03 C:206-320 Nitrogenase molybdenum iron protein domain                                                       ------------------------2afiC01 C:5-62,C:345-479 Nitrogenase molybdenum iron protein domain                                                                    - CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhh..hhhhhhhhhh.eee......hhhhhh...............hhhhhhh.........eeeeee..hhhhhhhh....................ee...hhhhhhhhhhhhhhhhhhhhhhhh....eeeeeehhhhhhh..hhhhhhhhhhhhhh..eeee........hhhhhhhhhhhhhhhhh...............eeeeeee.hhhhhhhhhhhhhhhh..eeeeeee...hhhhhhhhhhh.eeee.hhhhhhhhhhhhhhhhh..eee...hhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..eeeeee..hhhhhhhhhhhhh..eeeeeee...hhhhhhhhhhhh....eeee..hhhhhhhhhhhhh..eeeehhhhhhhhhhh...eee..hhhhh...hhhhhhhhhhhhhhhhhhhhhhh....... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) ----------------------------------------------------------------------------NITROGEN-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ---------------------------------------------------------------------------------------------------------------------------------------------------NITROGENASE_1_2-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2afi C   5 SREEVESLIQEVLEVYPEKARKDRNKHLAVNDPAVTQSKKCIISNKKSQPGLMTIRGCAYAGSKGVVWGPIKDMIHISHGPVGCGQYSRAGRRNYYIGTTGVNAFVTMNFTSDFQEKDIVFGGDKKLAKLIDEVETLFPLNKGISVQSECPIGLIGDDIESVSKVKGAELSKTIVPVRCEGFRGVSQSLGHHIANDAVRDWVLGKRDEDTTFASTPYDVAIIGDYNIGGDAWSSRILLEEMGLRCVAQWSGDGSISEIELTPKVKLNLVHCYRSMNYISRHMEEKYGIPWMEYNFFGPTKTIESLRAIAAKFDESIQKKCEEVIAKYKPEWEAVVAKYRPRLEGKRVMLYIGGLRPRHVIGAYEDLGMEVVGTGYEFAHNDDYDRTMKEMGDSTLLYDDVTGYEFEEFVKRIKPDLIGSGIKEKFIFQKMGIPFREMHSWDYSGPYHGFDGFAIFARDMDMTLNNPCWKKLQAPWE 480
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444       454       464       474      

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 d2afid_ D: automated matches                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               SCOP domains
               CATH domains --------------------------------------------------------------------2afiD01 D:70-215 Nitrogenase molybdenum iron protein domain                                                                                       2afiD02 D:216-320 Nitrogenase molybdenum iron protein domain                                             2afiD03 D:321-364,D:485-523                 2afiD04 D:365-470 Nitrogenase molybdenum iron protein domain                                              --------------2afiD03 D:321-364,D:485-523             CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ........hhhhhh.hhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh....ee.....hhhhhhhhhhhh...eeeeee..hhhhhhhhhhhhhhhh.....ee...hhhhhhhhhhhhhhhhhhhhhhhhh..eeeeeehhhhhhhh.hhhhhhhhhhhh...................hhhhhhhhhhhhhhhhhhh.............eeee.....hhhhhhhhhhhhhhhh..eee.....hhhhh.............hhhhhhhhhhh.eeee.hhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh..eeeee.hhhhhhhhhhhhhhh..eeeeeee...hhhhhhhhhhhhhhhhhhhh.eeee..hhhhhhhhhhhh...eeeehhhhhhhhhhhhhhh......eee.........hhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhh....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
                 2afi 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:271
 aligned with NIFH1_AZOVI | P00459 from UniProtKB/Swiss-Prot  Length:290

    Alignment length:271
                                    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 
          NIFH1_AZOVI     2 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEF 272
               SCOP domains d2afie_ E: Nitrogenase iron protein                                                                                                                                                                                                                                             SCOP domains
               CATH domains 2afiE00 E:1-271 P-loop containing nucleotide triphosphate hydrolases                                                                                                                                                                                                            CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee....hhhhhhhhhhhhhhhh...eeeee.......hhhhhh.....hhhhhhhhhh.....hhhhhhee.hhh.eeee...........hhhhhhhhhhhhhhh.......eeeee..........hhhhhh....eeeeee..hhhhhhhhhhhhhhhhhh......eeeeeeee.....hhhhhhhhhhhhhh..eeeee..hhhhhhhhhh..hhhhhh..hhhhhhhhhhhhhhhhh.........hhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -NIFH_FRXC_3  PDB: E:2-271 UniProt: 3-275                                                                                                                                                                                                                                       PROSITE (1)
                PROSITE (2) ----------------------------------------------------------------------------------------------------------------------------NIFH_FRXC_2   ------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) --------------------------------------------------------------------------------------NIFH_FRXC_1  ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2afi E   1 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEF 271
                                    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 

Chain F from PDB  Type:PROTEIN  Length:275
 aligned with NIFH1_AZOVI | P00459 from UniProtKB/Swiss-Prot  Length:290

    Alignment length:275
                                    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     
          NIFH1_AZOVI     2 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIME 276
               SCOP domains d2afif_ F: Nitrogenase iron protein                                                                                                                                                                                                                                                 SCOP domains
               CATH domains 2afiF00 F:1-275 P-loop containing nucleotide triphosphate hydrolases                                                                                                                                                                                                                CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee....hhhhhhhhhhhhhhhhh..eeeee.......hhhhhh.....hhhhhhh........hhhhhhee.hhh.eeee.........hhhhhhhhhhhhhhhh........eeeeeee........hhhhhh....eeeeee..hhhhhhhhhhhhhhhhhhh.....eeeeeeee.....hhhhhhhhhhhhhh..eeeee..hhhhhhhhhh..hhhhhh..hhhhhhhhhhhhhhhhh.........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
                 2afi F   1 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIME 275
                                    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     

Chain G from PDB  Type:PROTEIN  Length:263
 aligned with NIFH1_AZOVI | P00459 from UniProtKB/Swiss-Prot  Length:290

    Alignment length:263
                                    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   
          NIFH1_AZOVI     2 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDE 264
               SCOP domains d2afig_ G: Nitrogenase iron protein                                                                                                                                                                                                                                     SCOP domains
               CATH domains 2afiG00 G:1-263 P-loop containing nucleotide triphosphate hydrolases                                                                                                                                                                                                    CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeee.....hhhhhhhhhhhhhhhhh..eeeee.......hhhhhh.....hhhhhhhhhh.....hhhhhhee.hhh.eeee.........hhhhhhhhhhhhhhhh........eeeee..........hhhhhh....eeeeee..hhhhhhhhhhhhhhhhhh......eeeeeeee.....hhhhhhhhhhhhh...eeeee..hhhhhhhhhh..hhhhhh..hhhhhhhhhhhhhhhhh............. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -NIFH_FRXC_3  PDB: G:2-263 UniProt: 3-275                                                                                                                                                                                                                               PROSITE (1)
                PROSITE (2) ----------------------------------------------------------------------------------------------------------------------------NIFH_FRXC_2   ----------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) --------------------------------------------------------------------------------------NIFH_FRXC_1  -------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2afi G   1 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDE 263
                                    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   

Chain H from PDB  Type:PROTEIN  Length:269
 aligned with NIFH1_AZOVI | P00459 from UniProtKB/Swiss-Prot  Length:290

    Alignment length:269
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262         
          NIFH1_AZOVI     3 MRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLME 271
               SCOP domains d2afih_ H: Nitrogenase iron protein                                                                                                                                                                                                                                           SCOP domains
               CATH domains 2afiH00 H:2-270 P-loop containing nucleotide triphosphate hydrolases                                                                                                                                                                                                          CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeee....hhhhhhhhhhhhhhhhh..eeeee.......hhhhhh.....hhhhhhhhhh.....hhhhhhee.hhh.eeee.........hhhhhhhhhhhhhhhhh.......eeeeeee........hhhhhh....eeeeee..hhhhhhhhhhhhhhhhhh......eeeeeeee.....hhhhhhhhhhhhhh.....ee..hhhhhhhhhh..hhhhhh..hhhhhhhhhhhhhhhhh.........hhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) NIFH_FRXC_3  PDB: H:2-270 UniProt: 3-275                                                                                                                                                                                                                                      PROSITE (1)
                PROSITE (2) ---------------------------------------------------------------------------------------------------------------------------NIFH_FRXC_2   ------------------------------------------------------------------------------------------------------------------------------------ PROSITE (2)
                PROSITE (3) -------------------------------------------------------------------------------------NIFH_FRXC_1  --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2afi H   2 MRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLME 270
                                    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         

Chain I from PDB  Type:PROTEIN  Length:476
 aligned with NIFD_AZOVI | P07328 from UniProtKB/Swiss-Prot  Length:492

    Alignment length:476
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444       454       464       474      
           NIFD_AZOVI     5 SREEVESLIQEVLEVYPEKARKDRNKHLAVNDPAVTQSKKCIISNKKSQPGLMTIRGCAYAGSKGVVWGPIKDMIHISHGPVGCGQYSRAGRRNYYIGTTGVNAFVTMNFTSDFQEKDIVFGGDKKLAKLIDEVETLFPLNKGISVQSECPIGLIGDDIESVSKVKGAELSKTIVPVRCEGFRGVSQSLGHHIANDAVRDWVLGKRDEDTTFASTPYDVAIIGDYNIGGDAWSSRILLEEMGLRCVAQWSGDGSISEIELTPKVKLNLVHCYRSMNYISRHMEEKYGIPWMEYNFFGPTKTIESLRAIAAKFDESIQKKCEEVIAKYKPEWEAVVAKYRPRLEGKRVMLYIGGLRPRHVIGAYEDLGMEVVGTGYEFAHNDDYDRTMKEMGDSTLLYDDVTGYEFEEFVKRIKPDLIGSGIKEKFIFQKMGIPFREMHSWDYSGPYHGFDGFAIFARDMDMTLNNPCWKKLQAPWE 480
               SCOP domains d2afii_ I: automated matches                                                                                                                                                                                                                                                                                                                                                                                                                                                                 SCOP domains
               CATH domains 2afiI01 I:5-62,I:345-479                                  2afiI02 I:63-205 Nitrogenase molybdenum iron protein domain                                                                                    2afiI03 I:206-320 Nitrogenase molybdenum iron protein domain                                                       ------------------------2afiI01 I:5-62,I:345-479 Nitrogenase molybdenum iron protein domain                                                                    - CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhh..hhhhhhhhhh.eee......hhhhhh...............hhhhhhh.........eeeeee..hhhhhhhh....................ee...hhhhhhhhhhhhhhhhhhhhhhhh....eeeeeehhhhhhhh.hhhhhhhhhhhhhh..eeee........hhhhhhhhhhhhhhhhh...............eeeeeee.hhhhhhhhhhhhhhhh..eeeeeee...hhhhhhhhhhh.eeee.hhhhhhhhhhhhhhhhh..eee...hhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..eeeeee..hhhhhhhhhhhhh..eeeeeee...hhhhhhhhhhhh....eeee..hhhhhhhhhhhhh..eeeehhhhhhhhhhh...eee..hhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) ----------------------------------------------------------------------------NITROGEN-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ---------------------------------------------------------------------------------------------------------------------------------------------------NITROGENASE_1_2-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2afi I   5 SREEVESLIQEVLEVYPEKARKDRNKHLAVNDPAVTQSKKCIISNKKSQPGLMTIRGCAYAGSKGVVWGPIKDMIHISHGPVGCGQYSRAGRRNYYIGTTGVNAFVTMNFTSDFQEKDIVFGGDKKLAKLIDEVETLFPLNKGISVQSECPIGLIGDDIESVSKVKGAELSKTIVPVRCEGFRGVSQSLGHHIANDAVRDWVLGKRDEDTTFASTPYDVAIIGDYNIGGDAWSSRILLEEMGLRCVAQWSGDGSISEIELTPKVKLNLVHCYRSMNYISRHMEEKYGIPWMEYNFFGPTKTIESLRAIAAKFDESIQKKCEEVIAKYKPEWEAVVAKYRPRLEGKRVMLYIGGLRPRHVIGAYEDLGMEVVGTGYEFAHNDDYDRTMKEMGDSTLLYDDVTGYEFEEFVKRIKPDLIGSGIKEKFIFQKMGIPFREMHSWDYSGPYHGFDGFAIFARDMDMTLNNPCWKKLQAPWE 480
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444       454       464       474      

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 d2afij_ J: automated matches                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               SCOP domains
               CATH domains --------------------------------------------------------------------2afiJ01 J:70-215 Nitrogenase molybdenum iron protein domain                                                                                       2afiJ02 J:216-320 Nitrogenase molybdenum iron protein domain                                             2afiJ03 J:321-364,J:485-523                 2afiJ04 J:365-470 Nitrogenase molybdenum iron protein domain                                              --------------2afiJ03 J:321-364,J:485-523             CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ........hhhhhh.hhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhh....ee.....hhhhhhhhhhh....eeeeee.hhhhhhhhhhhhhhhhh.....ee...hhhhhhhhhhhhhhhhhhhhhhhhh..eeeeeehhhhhhhh.hhhhhhhhhhhh...................hhhhhhhhhhhhhhhhhhh.............eeee.....hhhhhhhhhhhhhhhh..eee.....hhhhh.............hhhhhhhhhhh.eeee.....hhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh..eeeee.hhhhhhhhhhhhhhh..eeeeeee...hhhhhhhhhhhhhhhhhhh..eeee..hhhhhhhhhhhh...eeeehhhhhhhhhhhhhhh......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
                 2afi 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:476
 aligned with NIFD_AZOVI | P07328 from UniProtKB/Swiss-Prot  Length:492

    Alignment length:476
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444       454       464       474      
           NIFD_AZOVI     5 SREEVESLIQEVLEVYPEKARKDRNKHLAVNDPAVTQSKKCIISNKKSQPGLMTIRGCAYAGSKGVVWGPIKDMIHISHGPVGCGQYSRAGRRNYYIGTTGVNAFVTMNFTSDFQEKDIVFGGDKKLAKLIDEVETLFPLNKGISVQSECPIGLIGDDIESVSKVKGAELSKTIVPVRCEGFRGVSQSLGHHIANDAVRDWVLGKRDEDTTFASTPYDVAIIGDYNIGGDAWSSRILLEEMGLRCVAQWSGDGSISEIELTPKVKLNLVHCYRSMNYISRHMEEKYGIPWMEYNFFGPTKTIESLRAIAAKFDESIQKKCEEVIAKYKPEWEAVVAKYRPRLEGKRVMLYIGGLRPRHVIGAYEDLGMEVVGTGYEFAHNDDYDRTMKEMGDSTLLYDDVTGYEFEEFVKRIKPDLIGSGIKEKFIFQKMGIPFREMHSWDYSGPYHGFDGFAIFARDMDMTLNNPCWKKLQAPWE 480
               SCOP domains d2afik_ K: automated matches                                                                                                                                                                                                                                                                                                                                                                                                                                                                 SCOP domains
               CATH domains 2afiK01 K:5-62,K:345-479                                  2afiK02 K:63-205 Nitrogenase molybdenum iron protein domain                                                                                    2afiK03 K:206-320 Nitrogenase molybdenum iron protein domain                                                       ------------------------2afiK01 K:5-62,K:345-479 Nitrogenase molybdenum iron protein domain                                                                    - CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhh..hhhhhhhhhh.eee......hhhhhh...............hhhhhhh.........eeeeee..hhhhhhhh....................ee...hhhhhhhhhhhhhhhhhhhhhhhh....eeeeeehhhhhhhh.hhhhhhhhhhhhhh..eeee........hhhhhhhhhhhhhhhhh...............eeeeeee.hhhhhhhhhhhhhhhh..eeeeeee...hhhhhhhhhhh.eeee.hhhhhhhhhhhhhhhhh..eee...hhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..eeeeee..hhhhhhhhhhhhh..eeeeeee...hhhhhhhhhhhh....eeee..hhhhhhhhhhhhh..eeeehhhhhhhhhhh...eee..hhhhh...hhhhhhhhhhhhhhhhhhhhhhh....... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) ----------------------------------------------------------------------------NITROGEN-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ---------------------------------------------------------------------------------------------------------------------------------------------------NITROGENASE_1_2-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2afi K   5 SREEVESLIQEVLEVYPEKARKDRNKHLAVNDPAVTQSKKCIISNKKSQPGLMTIRGCAYAGSKGVVWGPIKDMIHISHGPVGCGQYSRAGRRNYYIGTTGVNAFVTMNFTSDFQEKDIVFGGDKKLAKLIDEVETLFPLNKGISVQSECPIGLIGDDIESVSKVKGAELSKTIVPVRCEGFRGVSQSLGHHIANDAVRDWVLGKRDEDTTFASTPYDVAIIGDYNIGGDAWSSRILLEEMGLRCVAQWSGDGSISEIELTPKVKLNLVHCYRSMNYISRHMEEKYGIPWMEYNFFGPTKTIESLRAIAAKFDESIQKKCEEVIAKYKPEWEAVVAKYRPRLEGKRVMLYIGGLRPRHVIGAYEDLGMEVVGTGYEFAHNDDYDRTMKEMGDSTLLYDDVTGYEFEEFVKRIKPDLIGSGIKEKFIFQKMGIPFREMHSWDYSGPYHGFDGFAIFARDMDMTLNNPCWKKLQAPWE 480
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444       454       464       474      

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 d2afil_ L: automated matches                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               SCOP domains
               CATH domains --------------------------------------------------------------------2afiL01 L:70-215 Nitrogenase molybdenum iron protein domain                                                                                       2afiL02 L:216-320 Nitrogenase molybdenum iron protein domain                                             2afiL03 L:321-364,L:485-523                 2afiL04 L:365-470 Nitrogenase molybdenum iron protein domain                                              --------------2afiL03 L:321-364,L:485-523             CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ........hhhhhh.hhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh....ee.....hhhhhhhhhhhh...eeeeee..hhhhhhhhhhhhhhhh.....ee...hhhhhhhhhhhhhhhhhhhhhhhhh..eeeeeehhhhhhhh.hhhhhhhhhhhh...................hhhhhhhhhhhhhhhhhhh.............eeee.....hhhhhhhhhhhhhhhh..eee.....hhhhh.............hhhhhhhhhhh.eeee.hhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh..eeeee.hhhhhhhhhhhhhhh..eeeeeee...hhhhhhhhhhhhhhhhhhhh.eeee..hhhhhhhhhhhh...eeeehhhhhhhhhhhhhhh......eee.........hhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhh....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
                 2afi 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:268
 aligned with NIFH1_AZOVI | P00459 from UniProtKB/Swiss-Prot  Length:290

    Alignment length:268
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264        
          NIFH1_AZOVI     5 QCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEF 272
               SCOP domains d2afim_ M: Nitrogenase iron protein                                                                                                                                                                                                                                          SCOP domains
               CATH domains 2afiM00 M:4-271 P-loop containing nucleotide triphosphate hydrolases                                                                                                                                                                                                         CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeee....hhhhhhhhhhhhhhhh...eeeee.......hhhhhh.....hhhhhhhhhh.....hhhhhhee.hhh.eeee.........hhhhhhhhhhhhhhhhh.......eeeeeee........hhhhhh....eeeeee..hhhhhhhhhhhhhhhhhh......eeeeeeee.....hhhhhhhhhhhhhh..eeeee..hhhhhhhhhh..hhhhhh..hhhhhhhhhhhhhhhhh.........hhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) NIFH_FRXC_3  PDB: - UniProt: 3-275                                                                                                                                                                                                                                           PROSITE (1)
                PROSITE (2) -------------------------------------------------------------------------------------------------------------------------NIFH_FRXC_2   ------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) -----------------------------------------------------------------------------------NIFH_FRXC_1  ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2afi M   4 QCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEF 271
                                    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        

Chain N from PDB  Type:PROTEIN  Length:270
 aligned with NIFH1_AZOVI | P00459 from UniProtKB/Swiss-Prot  Length:290

    Alignment length:270
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274
          NIFH1_AZOVI     5 QCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGI 274
               SCOP domains d2afin_ N: Nitrogenase iron protein                                                                                                                                                                                                                                            SCOP domains
               CATH domains 2afiN00 N:4-273 P-loop containing nucleotide triphosphate hydrolases                                                                                                                                                                                                           CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .eeeee....hhhhhhhhhhhhhhhhh..eeeee.......hhhhhh.....hhhhhhhhhh.....hhhhhhee.hhh.eeee.........hhhhhhhhhhhhhhhh........eeeeeee........hhhhhh....eeeeee..hhhhhhhhhhhhhhhhhh......eeeeeeee.....hhhhhhhhhhhhhh..eeeee..hhhhhhhhh...hhhhhh..hhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (1) NIFH_FRXC_3  PDB: - UniProt: 3-275                                                                                                                                                                                                                                             PROSITE (1)
                PROSITE (2) -------------------------------------------------------------------------------------------------------------------------NIFH_FRXC_2   --------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) -----------------------------------------------------------------------------------NIFH_FRXC_1  ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (3)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2afi N   4 QCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGI 273
                                    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

Chain O from PDB  Type:PROTEIN  Length:262
 aligned with NIFH1_AZOVI | P00459 from UniProtKB/Swiss-Prot  Length:290

    Alignment length:262
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262  
          NIFH1_AZOVI     3 MRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDE 264
               SCOP domains d2afio_ O: Nitrogenase iron protein                                                                                                                                                                                                                                    SCOP domains
               CATH domains 2afiO00 O:2-263 P-loop containing nucleotide triphosphate hydrolases                                                                                                                                                                                                   CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeee....hhhhhhhhhhhhhhhhh..eeeee.......hhhhhh.....hhhhhhhhhh.....hhhhhhee.hhh.eeee...........hhhhhhhhhhhhhh........eeeee..........hhhhhh....eeeee...hhhhhhhhhhhhhhhhhh......eeee.eee.....hhhhhhhhhhhhhh....eee..hhhhhhhhhh..hhhhhh..hhhhhhhhhhhhhhhhh............. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) NIFH_FRXC_3  PDB: O:2-263 UniProt: 3-275                                                                                                                                                                                                                               PROSITE (1)
                PROSITE (2) ---------------------------------------------------------------------------------------------------------------------------NIFH_FRXC_2   ----------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) -------------------------------------------------------------------------------------NIFH_FRXC_1  -------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2afi O   2 MRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDE 263
                                    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  

Chain P from PDB  Type:PROTEIN  Length:267
 aligned with NIFH1_AZOVI | P00459 from UniProtKB/Swiss-Prot  Length:290

    Alignment length:267
                                    16        26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       
          NIFH1_AZOVI     7 AIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFG 273
               SCOP domains d2afip_ P: Nitrogenase iron protein                                                                                                                                                                                                                                         SCOP domains
               CATH domains 2afiP00 P:6-272 P-loop containing nucleotide triphosphate hydrolases                                                                                                                                                                                                        CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eee....hhhhhhhhhhhhhhhhh..eeeee.......hhhhhh.....hhhhhhhhhh.....hhhhhhee.hhh.eeee...........hhhhhhhhhhhhhh........eeeeeee........hhhhhh....eeeeee..hhhhhhhhhhhhhhhhhhh.....eeeeeeee.....hhhhhhhhhhhhhh..eeeee..hhhhhhhhhh..hhhhhh..hhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) NIFH_FRXC_3  PDB: - UniProt: 3-275                                                                                                                                                                                                                                          PROSITE (1)
                PROSITE (2) -----------------------------------------------------------------------------------------------------------------------NIFH_FRXC_2   -------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ---------------------------------------------------------------------------------NIFH_FRXC_1  ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2afi P   6 AIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFG 272
                                    15        25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205       215       225       235       245       255       265       

   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  (2, 16)

Asymmetric Unit

(-) CATH Domains  (3, 36)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)
1a2afiA02A:63-205
1b2afiB02B:216-320
1c2afiD02D:216-320
1d2afiJ02J:216-320
1e2afiL02L:216-320
1f2afiA01A:5-62,A:345-479
1g2afiC01C:5-62,C:345-479
1h2afiI01I:5-62,I:345-479
1i2afiK01K:5-62,K:345-479
1j2afiC02C:63-205
1k2afiI02I:63-205
1l2afiK02K:63-205
1m2afiB01B:70-215
1n2afiD01D:70-215
1o2afiJ01J:70-215
1p2afiL01L:70-215
1q2afiA03A:206-320
1r2afiC03C:206-320
1s2afiI03I:206-320
1t2afiK03K:206-320
1u2afiB04B:365-470
1v2afiD04D:365-470
1w2afiJ04J:365-470
1x2afiL04L:365-470

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2AFI)

(-) 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 1m1y 1m34 1n2c 2afh 2min 3k1a 3min 3u7q 4nd8 4tku 4tkv 4wna 4wza 4wzb 4xpi 5bvg 5bvh 5cx1
        NIFH1_AZOVI | P004591de0 1fp6 1g1m 1g20 1g21 1g5p 1m1y 1m34 1n2c 1nip 1rw4 1xcp 1xd8 1xd9 1xdb 2afh 2c8v 2nip 4wza 4wzb
        NIFK_AZOVI | P073291fp4 1g20 1g21 1l5h 1m1n 1m1y 1m34 1n2c 2afh 2min 3k1a 3min 3u7q 4nd8 4tku 4tkv 4wna 4wza 4wzb 4xpi 5bvg 5bvh 5cx1

(-) Related Entries Specified in the PDB File

2afh CRYSTAL STRUCTURE OF NUCLEOTIDE-FREE AV2-AV1 COMPLEX
2afk CRYSTAL STRUCTURE OF MGAMPPCP-BOUND AV2-AV1 COMPLEX