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 P0ABK9
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)

P0ABK9
NRFA_ECOLI
Escherichia coli K-12
Cytochrome c-552

PDB Structure

PDB 4WJY
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Resolution of key roles for the distal pocket histidine in cytochrome C nitrite reductases.
Lockwood, C.W., Burlat, B., Cheesman, M.R., Kern, M., Simon, J., Clarke, T.A., Richardson, D.J., Butt, J.N.
J.Am.Chem.Soc.