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Ligands
Code Name Style Show Link
1PE Pentaethylene glycol
CA Calcium ion
CFN Fe(7)-mo-S(9)-N cluster
CLF Fe(8)-S(7) cluster
HCA 3-hydroxy-3-carboxy-adipic acid
NA Sodium ion
P6G Hexaethylene glycol
PEG Di(hydroxyethyl)ether
PG4 Tetraethylene glycol
PGE Triethylene glycol
SF4 Iron/sulfur cluster
TRS 2-amino-2-hydroxymethyl-propane-1,3-diol
Non-standard Residues
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Glycosylation
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Code : 2AFH   PDBj   RCSB PDB   PDBe
Header : OXIDOREDUCTASE
Title : Crystal Structure of Nucleotide-Free Av2-Av1 Complex
Release Data : 2005-09-06
Compound :
mol_id molecule chains synonym
1 Nitrogenase molybdenum-iron protein A,C Nitrogenase component I, Dinitrogenase
ec: 1.18.6.1
other_details: alpha chain
mol_id molecule chains synonym
2 Nitrogenase molybdenum-iron protein B,D Nitrogenase component I, Dinitrogenase
ec: 1.18.6.1
other_details: beta chain
mol_id molecule chains synonym
3 Nitrogenase iron protein 1 E,F Nitrogenase component II, Nitrogenase Fe protein 1, Nitrogenase reductase
ec: 1.18.6.1
Source :
mol_id organism_scientific
1 Azotobacter vinelandii  (taxid:354)
mol_id organism_scientific
2 Azotobacter vinelandii  (taxid:354)
mol_id organism_scientific
3 Azotobacter vinelandii  (taxid:354)
Authors : Tezcan, F.A., Kaiser, J.T., Mustafi, D., Walton, M.Y., Howard, J.B., Rees, D.C.
Keywords : Nitrogen fixation, Iron-sulfur, Metal-binding, Molybdenum, oxidoreductase
Exp. method : X-RAY DIFFRACTION ( 2.10 Å )
Citation :

Nitrogenase Complexes: Multiple Docking Sites for a Nucleotide Switch Protein

Tezcan, F.A.,Kaiser, J.T.,Mustafi, D.  et al.
(2005)  Science  309 : 1377 - 1380

PubMed: 16123301
DOI: 10.1126/science.1115653

Chain : A, C
UniProt : P07328 (NIFD_AZOVI)
Reaction: EC: Evidence:
Physiological Direction:
16 ATP + 16 H2O + N2 + 8 reduced [2Fe-2S]-[ferredoxin] = 16 ADP + 6 H(+) + H2 + 2 NH4(+) + 8 oxidized [2Fe-2S]-[ferredoxin] + 16 phosphate 1.18.6.1 -
-
Chain : B, D
UniProt : P07329 (NIFK_AZOVI)
Reaction: EC: Evidence:
Physiological Direction:
16 ATP + 16 H2O + N2 + 8 reduced [2Fe-2S]-[ferredoxin] = 16 ADP + 6 H(+) + H2 + 2 NH4(+) + 8 oxidized [2Fe-2S]-[ferredoxin] + 16 phosphate 1.18.6.1 -
-
Chain : E, F
UniProt : P00459 (NIFH1_AZOVI)
Reaction: EC: Evidence:
Physiological Direction:
16 ATP + 16 H2O + N2 + 8 reduced [2Fe-2S]-[ferredoxin] = 16 ADP + 6 H(+) + H2 + 2 NH4(+) + 8 oxidized [2Fe-2S]-[ferredoxin] + 16 phosphate 1.18.6.1 -
-