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1.7.2.2: nitrite reductase (cytochrome; ammonia-forming)

This is an abbreviated version!
For detailed information about nitrite reductase (cytochrome; ammonia-forming), go to the full flat file.

Word Map on EC 1.7.2.2

Reaction

NH3
+ 2 H2O + 6 ferricytochrome c =
nitrite
+ 6 ferrocytochrome c + 7 H+

Synonyms

ammonia-forming cytochrome c nitrite reductase, ccNiR, CcuHao, CfHao, CmHao, cNiR, cytochrome c NiR, cytochrome c nitrite reductase, cytochrome c nitrite reductase complex, cytochrome c-552, epsilonHao, epsilonproteobacterial hydroxylamine oxidoreductase, Glov_1042, haoA, hexaheme c-type cytochrome, More, multihaem c NiR, multiheme cytochrome c nitrite reductase, multiheme nitrite reductase, NiR, NiR cytochrome c552, nirB, NirC, nitrite reductase, NpHao, NrfA, NrfA2NrfH complex, NrfHA, octahaem cytochrome c nitrite reductase, SCO2486, SCO2488, TvNiR, WS0969

ECTree

     1 Oxidoreductases
         1.7 Acting on other nitrogenous compounds as donors
             1.7.2 With a cytochrome as acceptor
                1.7.2.2 nitrite reductase (cytochrome; ammonia-forming)

pH Range

pH Range on EC 1.7.2.2 - nitrite reductase (cytochrome; ammonia-forming)

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pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
7 - 9
Q5F2I3
the sulfite reductase activity of NiR has a maximum value at neutral pH, the sulfite reductase activity of NiR decreases with increasing pH and is absent at pH 9.0, the activity measured at pH 7.8 is 20% of the activity measured at pH 7.0
additional information
-
pH dependence of NrfA at 4-25°C, overview