Enzyme Details

EC Classification

1.7.2.1

Enzyme name
(recommended)

nitrite reductase (NO-forming)

Alternative names

cd-cytochrome nitrite reductase
nitric-oxide:ferricytochrome-c oxidoreductase
cytochrome c-551:O2, NO2+ oxidoreductase
cytochrome cd
cytochrome cd1
hydroxylamine (acceptor) reductase
methyl viologen-nitrite reductase
nitrite reductase (cytochrome, NO-forming)

Classification

Oxidoreductases

Acting on other nitrogenous compounds as donors

With a cytochrome as acceptor

Catalyses reactions

O2 + 4 Ferrocytochrome c2 <-> 2 H2O + 4 Ferricytochrome c2

2 H2O + 2 Nitric oxide + Acceptor <-> 2 Nitrite + Reduced acceptor

H2O + Ferricytochrome c + Nitric oxide <-> 2 H+ + Ferrocytochrome c + Nitrite

H2O + Nitric oxide + Ferricytochrome c2 <-> 2 H+ + Ferrocytochrome c2 + Nitrite

H2O + Nitric oxide + Oxidized azurin <-> 2 H+ + Nitrite + Reduced azurin

2 H+ + Nitrite + Reduced pseudoazurin <-> H2O + Nitric oxide + Oxidized pseudoazurin

External links

Expasy
KEGG
BRENDA
IntEnz (EBI)
IUBMB
Reactome
MetaCrop

View all entries for EC Class: 1.7.2.1