FEATURES

FAMILY

DESCRIPTION

Also known as NIR_THIND, nir. Catalyzes the reduction of nitrite to ammonia, consuming six electrons in the process (PubMed:16500161, PubMed:22281743). Has very low activity toward hydroxylamine (PubMed:16500161). Has even lower activity toward sulfite (PubMed:16500161, PubMed:22281743). Sulfite reductase activity is maximal at neutral pH (PubMed:20944237). Homohexamer. Dimer of trimers.

EXTERNAL LINKS

uniprot
enzyme classification

nir

Cytochrome c-552

Mutations

Mutation(s) distribution

Mutations table

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