Brand  (β version)

PDB ID: 4WN9

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Ligands
Code Name Style Show Link
CLF Fe(8)-S(7) cluster PoSSuM
FE Fe (III) ion PoSSuM
HCA 3-hydroxy-3-carboxy-adipic acid PoSSuM
ICS Iron-sulfur-molybdenum cluster with interstitial carbon PoSSuM
PRO Proline PoSSuM
XE Xenon PoSSuM
Non-standard Residues
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Glycosylation
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Structure summary

Code : 4WN9   PDBj   RCSB PDB   PDBe
Header : OXIDOREDUCTASE
Title : Structure of the Nitrogenase MoFe Protein from Clostridium pasteurianum Pressurized with Xenon
Release Data : 2015-03-18
Compound :
mol_id molecule chains synonym
1 Nitrogenase molybdenum-iron protein alpha chain A,C Dinitrogenase,Nitrogenase component I
ec: 1.18.6.1
mol_id molecule chains synonym
2 Nitrogenase molybdenum-iron protein beta chain B,D Dinitrogenase,Nitrogenase component I
ec: 1.18.6.1
Source :
mol_id organism_scientific expression_system
1 Clostridium pasteurianum  (taxid:1501) Clostridium pasteurianum  (taxid:1501)
gene: nifD
mol_id organism_scientific expression_system
2 Clostridium pasteurianum  (taxid:1501) Clostridium pasteurianum  (taxid:1501)
gene: nifK
Authors : Morrison, C.N., Hoy, J.A., Rees, D.C.
Keywords : xenon, MoFe protein, nitrogenase, OXIDOREDUCTASE
Exp. method : X-RAY DIFFRACTION ( 1.90 Å )
Citation :

Substrate Pathways in the Nitrogenase MoFe Protein by Experimental Identification of Small Molecule Binding Sites.

Morrison, C.N.,Hoy, J.A.,Zhang, L.  et al.
(2015)  Biochemistry  54 : 2052 - 2060

PubMed: 25710326
DOI: 10.1021/bi501313k

Reaction

Chain : A, C
UniProt : P00467 (NIFD_CLOPA)
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 ECO:0000269 | PubMed:8393705
Binds 1 [8Fe-7S] cluster per heterodimer.
[7Fe-Mo-9S-C-homocitryl] cluster ECO:0000269 | PubMed:8393705
Binds 1 [7Fe-Mo-9S-C-homocitryl] cluster per subunit.
Chain : B, D
UniProt : P11347 (NIFK_CLOPA)
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.