Brand  (β version)

PDB ID: 3BNF

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Ligands
Code Name Style Show Link
ACT Acetate ion PoSSuM
CA Calcium ion PoSSuM
HEM Protoporphyrin ix containing Fe PoSSuM
SO3 Sulfite ion PoSSuM
Y1 Yttrium ion PoSSuM
Non-standard Residues
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Structure summary

Code : 3BNF   PDBj   RCSB PDB   PDBe
Header : OXIDOREDUCTASE
Title : W. succinogenes NrfA Sulfite Complex
Release Data : 2008-02-26
Compound :
mol_id molecule chains synonym
1 Cytochrome c-552 A Ammonia-forming cytochrome c nitrite reductase, Cytochrome c nitrite reductase
ec: 1.7.2.2
Source :
mol_id organism_scientific
1 Wolinella succinogenes  (taxid:844)
Authors : Lukat, P., Einsle, O.
Keywords : c-type cytochrome, nitrite reductase, sulfite complex, Calcium, Electron transport, Heme, Iron, Metal-binding, Oxidoreductase, Periplasm, Transport
Exp. method : X-RAY DIFFRACTION ( 1.70 Å )
Citation :

Binding and Reduction of Sulfite by Cytochrome c Nitrite Reductase

Lukat, P.,Rudolf, M.,Stach, P.  et al.
(2008)  Biochemistry  47 : 2080 - 2086

PubMed: 18201106
DOI: 10.1021/bi7021415

Reaction

Chain : A
UniProt : Q9S1E5 (NRFA_WOLSU)
Reaction: EC: Evidence:
Physiological Direction:
6 Fe(III)-[cytochrome c] + NH4(+) + 2 H2O = 6 Fe(II)- [cytochrome c] + nitrite + 8 H(+) 1.7.2.2 PubMed:18201106
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Cofactor: Evidence: Note:
Ca(2+) ECO:0000269 | PubMed:10984487
ECO:0000269 | PubMed:12296741
ECO:0000269 | PubMed:18201106
Binds 1 Ca(2+) ion per monomer.
heme c ECO:0000269 | PubMed:10984487
ECO:0000269 | PubMed:12296741
ECO:0000269 | PubMed:18201106
Binds 5 heme c groups covalently per monomer.