CATH Classification

Domain Context

CATH Clusters

Superfamily Flavocytochrome C3; Chain A
Functional Family Cytochrome c-552

Enzyme Information

1.7.2.2
Nitrite reductase (cytochrome; ammonia-forming).
based on mapping to UniProt L0DSL2
NH(3) + 2 H(2)O + 6 ferricytochrome c = nitrite + 6 ferrocytochrome c + 7 H(+).
-!- The enzyme also reduces nitric oxide and hydroxylamine to ammonia, and sulfite to sulfide.

UniProtKB Entries (1)

L0DSL2
NIR_THIND
Thioalkalivibrio nitratireducens DSM 14787
Cytochrome c-552

PDB Structure

PDB 2OT4
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
High-resolution structural analysis of a novel octaheme cytochrome c nitrite reductase from the haloalkaliphilic bacterium Thioalkalivibrio nitratireducens.
Polyakov, K.M., Boyko, K.M., Tikhonova, T.V., Slutsky, A., Antipov, A.N., Zvyagilskaya, R.A., Popov, A.N., Bourenkov, G.P., Lamzin, V.S., Popov, V.O.
J.Mol.Biol.