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Ligands
Code Name Link
CFM Fe-mo-S cluster
CIT Citric acid
CL Chloride ion
CLF Fe(8)-S(7) cluster
MG Magnesium ion
Code : 1H1L   PDBj   RCSB PDB   PDBe
Header : OXIDOREDUCTASE
Title : NITROGENASE MO-FE PROTEIN FROM KLEBSIELLA PNEUMONIAE, NIFV MUTANT
Release Data : 2002-07-29
Compound :
mol_id molecule chains synonym
1 NITROGENASE MOLYBDENUM IRON PROTEIN ALPHA CHAIN A,C NITROGENASE COMPONENT I, DINITROGENASE
ec: 1.18.6.1
other_details: CHAINS A AND C ARE ALPHA-SUBUNITS
mol_id molecule chains synonym
2 NITROGENASE MOLYBDENUM IRON PROTEIN BETA CHAIN B,D NITROGENASE COMPONENT I, DINITROGENASE
ec: 1.18.6.1
other_details: CHAINS B AND D ARE BETA-SUBUNITS
Source :
mol_id organism_scientific
1 KLEBSIELLA PNEUMONIAE  (taxid:573)
strain: UNF1613
variant: NIFV MUTANT
mol_id organism_scientific
2 KLEBSIELLA PNEUMONIAE  (taxid:573)
strain: UNF1613
variant: NIFV MUTANT
Authors : Mayer, S.M., Gormal, C.A., Smith, B.E., Lawson, D.M.
Keywords : BIOLOGICAL NITROGEN FIXATION, NITROGEN METABOLISM, MOLYBDOENZYMES, ELECTRON TRANSFER, OXIDOREDUCTASE
Exp. method : X-RAY DIFFRACTION ( 1.90 Å )
Citation :

Crystallographic Analysis of the Mofe Protein of Nitrogenase from a Nifv Mutant of Klebsiella Pneumoniae Identifies Citrate as a Ligand to the Molybdenum of Iron Molybdenum Cofactor (Femoco).

Mayer, S.M.,Gormal, C.A.,Smith, B.E.  et al.
(2002)  J.Biol.Chem.  277 : 35263

PubMed: 12133839
DOI: 10.1074/JBC.M205888200

Chain : A, C
UniProt : P00466 (NIFD_KLEPN)
Reaction : Reaction=16 ATP + 16 H2O + N2 + 8 reduced [2Fe-2S]-[ferredoxin] = 16 ADP + 6 H(+) + H2 + 2 NH4(+) + 8 oxidized [2Fe-2S]-[ferredoxin] + 16 phosphate; Xref=Rhea:RHEA:21448, Rhea:RHEA-COMP:10000, Rhea:RHEA- COMP:10001, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:17997, ChEBI:CHEBI:18276, ChEBI:CHEBI:28938, ChEBI:CHEBI:30616, ChEBI:CHEBI:33737, ChEBI:CHEBI:33738, ChEBI:CHEBI:43474, ChEBI:CHEBI:456216; EC=1.18.6.1;
Chain : B, D
UniProt : P09772 (NIFK_KLEPN)
Reaction : Reaction=16 ATP + 16 H2O + N2 + 8 reduced [2Fe-2S]-[ferredoxin] = 16 ADP + 6 H(+) + H2 + 2 NH4(+) + 8 oxidized [2Fe-2S]-[ferredoxin] + 16 phosphate; Xref=Rhea:RHEA:21448, Rhea:RHEA-COMP:10000, Rhea:RHEA- COMP:10001, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:17997, ChEBI:CHEBI:18276, ChEBI:CHEBI:28938, ChEBI:CHEBI:30616, ChEBI:CHEBI:33737, ChEBI:CHEBI:33738, ChEBI:CHEBI:43474, ChEBI:CHEBI:456216; EC=1.18.6.1;