Brand  (β version)

PDB ID: 1H1L

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Ligands
Code Name Style Show Link
CFM Fe-mo-S cluster PoSSuM
CIT Citric acid PoSSuM
CL Chloride ion PoSSuM
CLF Fe(8)-S(7) cluster PoSSuM
MG Magnesium ion PoSSuM
Non-standard Residues
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Structure summary

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

Reaction

Chain : A, C
UniProt : P00466 (NIFD_KLEPN)
Reaction: EC: Evidence:
Physiological Direction:
N2 + 8 reduced [2Fe-2S]-[ferredoxin] + 16 ATP + 16 H2O = H2 + 8 oxidized [2Fe-2S]-[ferredoxin] + 2 NH4(+) + 16 ADP + 16 phosphate + 6 H(+) 1.18.6.1 -
-
Cofactor: Evidence: Note:
[8Fe-7S] cluster - Binds 1 [8Fe-7S] cluster per heterodimer.
[7Fe-Mo-9S-C-homocitryl] cluster - Binds 1 [7Fe-Mo-9S-C-homocitryl] cluster per subunit.
Chain : B, D
UniProt : P09772 (NIFK_KLEPN)
Reaction: EC: Evidence:
Physiological Direction:
N2 + 8 reduced [2Fe-2S]-[ferredoxin] + 16 ATP + 16 H2O = H2 + 8 oxidized [2Fe-2S]-[ferredoxin] + 2 NH4(+) + 16 ADP + 16 phosphate + 6 H(+) 1.18.6.1 -
-
Cofactor: Evidence: Note:
[8Fe-7S] cluster - Binds 1 [8Fe-7S] cluster per heterodimer.