FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term nitrite reductase (NO-forming) activity ID (Ontology) GO:0050421 (Gene Ontology)
Definition Catalysis of the reaction: nitric oxide + Fe(III)-[cytochrome c] + H2O = Fe(II)-[cytochrome c] + nitrite + 2 H+.
Also Known As"NO-forming nitrite reductase (cytochrome) activity" ; "NO-forming nitrite reductase activity"
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Data ClassFieldDirect annotations
Genes (FBgn)GO_MOLECULAR_FUNCTION
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 nitrite reductase (NO-forming) activity (all annotations which use CV term, excluding "NOT" statements)
     contributes_to | nitrite reductase (NO-forming) activity
     enables | nitrite reductase (NO-forming) activity
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oxidoreductase activity, acting on other nitrogenous compounds as donors
 |__oxidoreductase activity, acting on other nitrogenous compounds as donors, cytochrome as acceptor__
 |__nitrite reductase activity________________________________________________________________________|
                                                                                         nitrite reductase (NO-forming) activity  2 rec.
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Is a oxidoreductase activity, acting on other nitrogenous compounds as donors, cytochrome as acceptor
nitrite reductase activity
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Synonyms
  • "[nitrite reductase (cytochrome)]" RELATED[ EC:1 ]
    "cd-cytochrome nitrite reductase activity" NARROW[ EC:1 ]
    "cytochrome c-551:O2, NO2(+) oxidoreductase activity" RELATED[ EC:1 ]
    "cytochrome c-551:O2, NO2+ oxidoreductase activity" RELATED[ EC:1 ]
    "cytochrome cd activity" NARROW[ EC:1 ]
    "cytochrome cd1 activity" NARROW[ EC:1 ]
    "methyl viologen-nitrite reductase activity" NARROW[ EC:1 ]
    "nitric-oxide:ferricytochrome-c oxidoreductase activity" RELATED[ EC:1 ]
    "nitrite reductase (cytochrome; NO-forming) activity" RELATED[ EC:1 ]
    "NO-forming nitrite reductase (cytochrome) activity" EXACT
    "NO-forming nitrite reductase activity" EXACT
Secondary IDs
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EC:1.7.2.1
MetaCyc:NITRITE-REDUCTASE-CYTOCHROME-RXN
RHEA:15233