Brand  (β version)

PDB ID: 1AOQ

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Ligands
Code Name Style Show Link
2NO Nitrogen dioxide PoSSuM
DHE Heme D PoSSuM
HEM Protoporphyrin ix containing Fe PoSSuM
NO Nitric oxide PoSSuM
Non-standard Residues
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Glycosylation
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Structure summary

Code : 1AOQ   PDBj   RCSB PDB   PDBe
Header : OXIDOREDUCTASE
Title : CYTOCHROME CD1 NITRITE REDUCTASE WITH SUBSTRATE AND PRODUCT BOUND
Release Data : 1998-02-04
Compound :
mol_id molecule chains
1 NITRITE REDUCTASE A,B
Source :
mol_id organism_scientific
1 Paracoccus pantotrophus  (taxid:82367)
cellular_location: PERIPLASM
Authors : Williams, P.A., Fulop, V.
Keywords : OXIDOREDUCTASE, ENZYME, NITRITE REDUCTASE
Exp. method : X-RAY DIFFRACTION ( 1.8 Å )
Citation :

Haem-ligand switching during catalysis in crystals of a nitrogen-cycle enzyme.

Williams, P.A.,Fulop, V.,Garman, E.F.  et al.
(1997)  Nature  389 : 406 - 412

PubMed: 9311786
DOI: 10.1038/38775

Reaction

Chain : A, B
UniProt : P72181 (NIRS_PARPN)
Reaction: EC: Evidence:
Physiological Direction:
nitric oxide + Fe(III)-[cytochrome c] + H2O = Fe(II)- [cytochrome c] + nitrite + 2 H(+) 1.7.2.1 -
-
A + NH4(+) + H2O = hydroxylamine + AH2 + H(+) 1.7.99.1 -
-
Cofactor: Evidence: Note:
heme c ECO:0000269 | PubMed:7736589
Binds 1 heme c group covalently per subunit.
heme ECO:0000269 | PubMed:7736589
Binds 1 heme d1 group per subunit.