Nitric oxide reductase (menaquinol)

Nitric oxide reductase (menaquinol) (EC 1.7.5.2) is an enzyme.^[1][2][3] This enzyme catalyses the following chemical reaction

2 nitric oxide + menaquinol ${\displaystyle \rightleftharpoons }$ nitrous oxide + menaquinone + H₂O

Nitric oxide reductase (menaquinol)
Identifiers
EC no.	1.7.5.2
Databases
IntEnz	IntEnz view
BRENDA	BRENDA entry
ExPASy	NiceZyme view
KEGG	KEGG entry
MetaCyc	metabolic pathway
PRIAM	profile
PDB structures	RCSB PDB PDBe PDBsum
Search PMC articles PubMed articles NCBI proteins

Nitric oxide reductase contains copper.

In 2015 the laboratory that had characterized the Bacillus azotoformans enzyme wrote, "The copper-A-dependent Nor from Bacillus azotoformans uses cytochrome c₅₅₁ as electron donor but lacks menaquinol activity, in contrast to our earlier report."^[4]