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(-) Description

Title :  THE NITROGENASE FE PROTEIN FROM AZOTOBACTER VINELANDII COMPLEXED WITH MGADP
 
Authors :  S. B. Jang, L. C. Seefeldt, J. W. Peters
Date :  30 Aug 00  (Deposition) - 17 Jan 01  (Release) - 31 Mar 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.15
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,B  (1x)
Biol. Unit 2:  C,D  (1x)
Keywords :  Nitrogenase, Nitrogen Fixation, Nuclotide, Mgadp, Fe Protein, Av2, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  S. B. Jang, L. C. Seefeldt, J. W. Peters
Insights Into Nucleotide Signal Transduction In Nitrogenase: Structure Of An Iron Protein With Mgadp Bound.
Biochemistry V. 39 14745 2000
PubMed-ID: 11101289  |  Reference-DOI: 10.1021/BI001705G
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - NITROGENASE IRON PROTEIN
    ChainsA, B, C, D
    EC Number1.18.6.1
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    Organism ScientificAZOTOBACTER VINELANDII
    Organism Taxid354
    SynonymNITROGENASE COMPONENT II, NITROGENASE REDUCTASE, NIFH, AV2

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit ABCD
Biological Unit 1 (1x)AB  
Biological Unit 2 (1x)  CD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 10)

Asymmetric Unit (3, 10)
No.NameCountTypeFull Name
1ADP4Ligand/IonADENOSINE-5'-DIPHOSPHATE
2MG4Ligand/IonMAGNESIUM ION
3SF42Ligand/IonIRON/SULFUR CLUSTER
Biological Unit 1 (2, 3)
No.NameCountTypeFull Name
1ADP2Ligand/IonADENOSINE-5'-DIPHOSPHATE
2MG-1Ligand/IonMAGNESIUM ION
3SF41Ligand/IonIRON/SULFUR CLUSTER
Biological Unit 2 (2, 3)
No.NameCountTypeFull Name
1ADP2Ligand/IonADENOSINE-5'-DIPHOSPHATE
2MG-1Ligand/IonMAGNESIUM ION
3SF41Ligand/IonIRON/SULFUR CLUSTER

(-) Sites  (10, 10)

Asymmetric Unit (10, 10)
No.NameEvidenceResiduesDescription
01AC1SOFTWARESER A:16 , ADP A:5291 , HOH A:5436 , HOH A:5447 , HOH A:5457 , HOH A:5504BINDING SITE FOR RESIDUE MG A 5292
02AC2SOFTWARESER B:16 , ADP B:6291 , HOH B:6433 , HOH B:6439 , HOH B:6450 , HOH B:6483BINDING SITE FOR RESIDUE MG B 6292
03AC3SOFTWARESER C:16 , ADP C:7291 , HOH C:7450 , HOH C:7453 , HOH C:7490 , HOH C:7504BINDING SITE FOR RESIDUE MG C 7292
04AC4SOFTWARESER D:16 , ASP D:43 , ADP D:8291 , HOH D:8401 , HOH D:8402 , HOH D:8415 , HOH D:8433BINDING SITE FOR RESIDUE MG D 8292
05AC5SOFTWARECYS A:97 , CYS A:132 , CYS B:97 , ALA B:98 , CYS B:132BINDING SITE FOR RESIDUE SF4 A 5290
06AC6SOFTWARECYS C:97 , CYS C:132 , GLY C:133 , CYS D:97 , ALA D:98 , CYS D:132 , GLY D:133BINDING SITE FOR RESIDUE SF4 C 7290
07AC7SOFTWAREGLY A:12 , ILE A:13 , GLY A:14 , LYS A:15 , SER A:16 , THR A:17 , ASN A:185 , PRO A:212 , ARG A:213 , ASP A:214 , VAL A:217 , GLN A:218 , GLU A:221 , GLN A:236 , MG A:5292 , HOH A:5301 , HOH A:5350 , HOH A:5408 , HOH A:5436 , HOH A:5447 , HOH A:5457BINDING SITE FOR RESIDUE ADP A 5291
08AC8SOFTWARELYS B:10 , GLY B:12 , ILE B:13 , GLY B:14 , LYS B:15 , SER B:16 , THR B:17 , ASN B:185 , PRO B:212 , ARG B:213 , ASP B:214 , GLN B:218 , GLU B:221 , GLN B:236 , TYR B:240 , MG B:6292 , HOH B:6318 , HOH B:6325 , HOH B:6376 , HOH B:6433 , HOH B:6447 , HOH B:6450 , HOH B:6470 , HOH B:6483BINDING SITE FOR RESIDUE ADP B 6291
09AC9SOFTWARELYS C:10 , GLY C:12 , ILE C:13 , GLY C:14 , LYS C:15 , SER C:16 , THR C:17 , ASN C:185 , VAL C:211 , PRO C:212 , ARG C:213 , ASP C:214 , GLN C:218 , GLU C:221 , GLN C:236 , TYR C:240 , MG C:7292 , HOH C:7305 , HOH C:7418 , HOH C:7422 , HOH C:7429 , HOH C:7441 , HOH C:7453 , HOH C:7490 , HOH C:7504 , HOH C:7536BINDING SITE FOR RESIDUE ADP C 7291
10BC1SOFTWAREGLY D:12 , ILE D:13 , GLY D:14 , LYS D:15 , SER D:16 , THR D:17 , ASN D:185 , PRO D:212 , ARG D:213 , ASP D:214 , VAL D:217 , GLN D:218 , GLU D:221 , GLN D:236 , MG D:8292 , HOH D:8327 , HOH D:8401 , HOH D:8415 , HOH D:8433 , HOH D:8448BINDING SITE FOR RESIDUE ADP D 8291

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1FP6)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1FP6)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1FP6)

(-) PROSITE Motifs  (3, 12)

Asymmetric Unit (3, 12)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1NIFH_FRXC_3PS51026 NIFH_FRXC family profile.NIFH1_AZOVI3-275
 
 
 
  4A:2-274
B:2-274
C:2-274
D:2-274
2NIFH_FRXC_1PS00746 NifH/frxC family signature 1.NIFH1_AZOVI88-100
 
 
 
  4A:87-99
B:87-99
C:87-99
D:87-99
3NIFH_FRXC_2PS00692 NifH/frxC family signature 2.NIFH1_AZOVI126-139
 
 
 
  4A:125-138
B:125-138
C:125-138
D:125-138
Biological Unit 1 (3, 6)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1NIFH_FRXC_3PS51026 NIFH_FRXC family profile.NIFH1_AZOVI3-275
 
 
 
  2A:2-274
B:2-274
-
-
2NIFH_FRXC_1PS00746 NifH/frxC family signature 1.NIFH1_AZOVI88-100
 
 
 
  2A:87-99
B:87-99
-
-
3NIFH_FRXC_2PS00692 NifH/frxC family signature 2.NIFH1_AZOVI126-139
 
 
 
  2A:125-138
B:125-138
-
-
Biological Unit 2 (3, 6)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1NIFH_FRXC_3PS51026 NIFH_FRXC family profile.NIFH1_AZOVI3-275
 
 
 
  2-
-
C:2-274
D:2-274
2NIFH_FRXC_1PS00746 NifH/frxC family signature 1.NIFH1_AZOVI88-100
 
 
 
  2-
-
C:87-99
D:87-99
3NIFH_FRXC_2PS00692 NifH/frxC family signature 2.NIFH1_AZOVI126-139
 
 
 
  2-
-
C:125-138
D:125-138

(-) Exons   (0, 0)

(no "Exon" information available for 1FP6)

(-) 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:289
 aligned with NIFH1_AZOVI | P00459 from UniProtKB/Swiss-Prot  Length:290

    Alignment length:289
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281         
          NIFH1_AZOVI     2 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTAEEV 290
               SCOP domains d1fp6a_ A: Nitrogenase iron protein                                                                                                                                                                                                                                                               SCOP domains
               CATH domains 1fp6A00 A:1-289 P-loop containing nucleotide triphosphate hydrolases                                                                                                                                                                                                                              CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee....hhhhhhhhhhhhhhhh...eeeeee......hhhhhh.....hhhhhhhhhhhhhhhhhhhhhee.hhh.eeee...........hhhhhhhhhhhhhhhhhhh...eeeeeee........hhhhhh....eeeeee..hhhhhhhhhhhhhhhhhh......eeeeeeee.....hhhhhhhhhhhhhh..eeeee...hhhhhhhh...hhhhhh..hhhhhhhhhhhhhhhhh.........hhhhhhhhhhhh.................. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -NIFH_FRXC_3  PDB: A:2-274 UniProt: 3-275                                                                                                                                                                                                                                         --------------- PROSITE (1)
                PROSITE (2) --------------------------------------------------------------------------------------NIFH_FRXC_1  -------------------------NIFH_FRXC_2   ------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1fp6 A   1 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTAEEV 289
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280         

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

    Alignment length:289
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281         
          NIFH1_AZOVI     2 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTAEEV 290
               SCOP domains d1fp6b_ B: Nitrogenase iron protein                                                                                                                                                                                                                                                               SCOP domains
               CATH domains 1fp6B00 B:1-289 P-loop containing nucleotide triphosphate hydrolases                                                                                                                                                                                                                              CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee....hhhhhhhhhhhhhhh....eeeeee......hhhhhh.....hhhhhhhh.......hhhhhhee.hhh.eeee...........hhhhhhhhhhhhhh........eeeeeee........hhhhhh....eeeeee..hhhhhhhhhhhhhhhhhh......eeeeeeee.....hhhhhhhhhhhhhh..eeeee...hhhhhhhhh..hhhhhh..hhhhhhhhhhhhhhhh..........hhhhhhhhhhhh.................. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -NIFH_FRXC_3  PDB: B:2-274 UniProt: 3-275                                                                                                                                                                                                                                         --------------- PROSITE (1)
                PROSITE (2) --------------------------------------------------------------------------------------NIFH_FRXC_1  -------------------------NIFH_FRXC_2   ------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1fp6 B   1 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTAEEV 289
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280         

Chain C from PDB  Type:PROTEIN  Length:285
 aligned with NIFH1_AZOVI | P00459 from UniProtKB/Swiss-Prot  Length:290

    Alignment length:285
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281     
          NIFH1_AZOVI     2 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKT 286
               SCOP domains d1fp6c_ C: Nitrogenase iron protein                                                                                                                                                                                                                                                           SCOP domains
               CATH domains 1fp6C00 C:1-285 P-loop containing nucleotide triphosphate hydrolases                                                                                                                                                                                                                          CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee....hhhhhhhhhhhhhhhh...eeeeee......hhhhhh.....hhhhhhhhh......hhhhhhee.hhh.eeee...........hhhhhhhhhhhhhh........eeeeeee....hhhhhhhhhh....eeeeee..hhhhhhhhhhhhhhhhhh......eeeeeeee.....hhhhhhhhhhhhhh..eeeee...hhhhhhhh...hhhhhh..hhhhhhhhhhhhhhhhh.........hhhhhhhhhhhh.............. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -NIFH_FRXC_3  PDB: C:2-274 UniProt: 3-275                                                                                                                                                                                                                                         ----------- PROSITE (1)
                PROSITE (2) --------------------------------------------------------------------------------------NIFH_FRXC_1  -------------------------NIFH_FRXC_2   --------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1fp6 C   1 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKT 285
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280     

Chain D from PDB  Type:PROTEIN  Length:285
 aligned with NIFH1_AZOVI | P00459 from UniProtKB/Swiss-Prot  Length:290

    Alignment length:285
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281     
          NIFH1_AZOVI     2 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKT 286
               SCOP domains d1fp6d_ D: Nitrogenase iron protein                                                                                                                                                                                                                                                           SCOP domains
               CATH domains 1fp6D00 D:1-285 P-loop containing nucleotide triphosphate hydrolases                                                                                                                                                                                                                          CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeee.....hhhhhhhhhhhhhhhh...eeeeee......hhhhhh.....hhhhhhhhhhhhhhhhhhhhhee.hhh.eeee...........hhhhhhhhhhhhhh........eeeeee.........hhhhhh....eeeeee..hhhhhhhhhhhhhhhhhh......eeeeeeee.....hhhhhhhhhhhhhh..eeeee...hhhhhhhh...hhhhhh..hhhhhhhhhhhhhhhh..........hhhhhhhhhhhh.............. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -NIFH_FRXC_3  PDB: D:2-274 UniProt: 3-275                                                                                                                                                                                                                                         ----------- PROSITE (1)
                PROSITE (2) --------------------------------------------------------------------------------------NIFH_FRXC_1  -------------------------NIFH_FRXC_2   --------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1fp6 D   1 AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKT 285
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280     

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

 Classification and Annotation

(-) SCOP Domains  (1, 4)

Asymmetric Unit

(-) CATH Domains  (1, 4)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1FP6)

(-) Gene Ontology  (11, 11)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C,D   (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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  1.18.6.1
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 Related Entries

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

UniProtKB/Swiss-Prot
        NIFH1_AZOVI | P004591de0 1g1m 1g20 1g21 1g5p 1m1y 1m34 1n2c 1nip 1rw4 1xcp 1xd8 1xd9 1xdb 2afh 2afi 2c8v 2nip 4wza 4wzb

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 1FP6)