Brand  (β version)

PDB ID: 1QGU

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Ligands
Code Name Style Show Link
CFM Fe-mo-S cluster PoSSuM
CL Chloride ion PoSSuM
CLF Fe(8)-S(7) cluster PoSSuM
EDO 1,2-ethanediol PoSSuM
HCA 3-hydroxy-3-carboxy-adipic acid PoSSuM
MG Magnesium ion PoSSuM
Non-standard Residues
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Structure summary

Code : 1QGU   PDBj   RCSB PDB   PDBe
Header : OXIDOREDUCTASE
Title : NITROGENASE MO-FE PROTEIN FROM KLEBSIELLA PNEUMONIAE, DITHIONITE-REDUCED STATE
Release Data : 1999-11-01
Compound :
mol_id molecule chains synonym
1 PROTEIN (NITROGENASE MOLYBDENUM IRON PROTEIN) A,C NITROGENASE COMPONENT 1
ec: 1.18.6.1
other_details: CHAINS A AND C ARE ALPHA-SUBUNITS
mol_id molecule chains synonym
2 PROTEIN (NITROGENASE MOLYBDENUM IRON PROTEIN) B,D NITROGENASE COMPONENT 1
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: M5A1
variant: WILD-TYPE
cellular_location: CYTOPLASM
other_details: ALSO KNOWN AS KLEBSIELLA PNEUMONIAE OXYTOCA
mol_id organism_scientific
2 Klebsiella pneumoniae  (taxid:573)
strain: M5A1
variant: WILD-TYPE
cellular_location: CYTOPLASM
other_details: ALSO KNOWN AS KLEBSIELLA PNEUMONIAE OXYTOCA
Authors : Mayer, S.M., Lawson, D.M., Gormal, C.A., Roe, S.M., Smith, B.E.
Keywords : BIOLOGICAL NITROGEN FIXATION, NITROGEN METABOLISM, MOLYBDOENZYMES, ELECTRON TRANSFER, OXIDOREDUCTASE
Exp. method : X-RAY DIFFRACTION ( 1.60 Å )
Citation :

New insights into structure-function relationships in nitrogenase: A 1.6 A resolution X-ray crystallographic study of Klebsiella pneumoniae MoFe-protein.

Mayer, S.M.,Lawson, D.M.,Gormal, C.A.  et al.
(1999)  J.Mol.Biol.  292 : 871 - 891

PubMed: 10525412
DOI: 10.1006/jmbi.1999.3107

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.