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1.7.1.4: nitrite reductase [NAD(P)H]

This is an abbreviated version!
For detailed information about nitrite reductase [NAD(P)H], go to the full flat file.

Word Map on EC 1.7.1.4

Reaction

NH3
+ 3 NAD(P)+ + 2 H2O =
nitrite
 + 3 NAD(P)H + 5 H+

Synonyms

assimilitory nitrite reductase, copper-containing Nir, copper-containing nitrite reductase, EC 1.6.6.4, NAD(P)H:nitrite oxidoreductase, NADH-nitrite oxidoreductase, NADPH-nitrite reductase, NiR, NirK, nitrite reductase, nitrite reductase (reduced nicotinamide adenine dinucleotide (phosphate)), nitrite reductase [NAD(P)H2], NrfA reductase

ECTree

     1 Oxidoreductases
         1.7 Acting on other nitrogenous compounds as donors
             1.7.1 With NAD+ or NADP+ as acceptor
                1.7.1.4 nitrite reductase [NAD(P)H]

Specific Activity

Specific Activity on EC 1.7.1.4 - nitrite reductase [NAD(P)H]

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SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
0.0000205
-
after 96 h incubation under anaerobic conditions, in a medium amended with nitrite
0.000508
-
after 96 h incubation under anaerobic conditions, in a medium amended without nitrite
0.06
-
activity under aerobic conditions in presence of NH4+
0.065
-
activity in cells grown anaerobically in the presence of 20 mM NO2-
0.079
-
activity in cells grown anaerobically in the presence of 20 mM NO3-
0.1
-
activity under aerobic conditions
0.13
-
activity under anaerobic conditions in presence of NH4+
0.35
-
activity in cytosolic extracts
0.422
-
reduction of NO2-
0.504
-
activity in cytosolic extracts from cells grown anaerobically with 1 mM nitrite
0.52
-
NADH + NO2-
0.73
-
NADPH + NO2-
0.868
-
reduction of hydroxylamine
14.6
-
activity in extracts from aerobic grown cells
17300
-
activity in crude extracts of cells grown in the presence of 50 mM ammonium sulfate
1800
-
activity in crude extracts of cells grown in the presence of 50 mM urea
24000
-
activity in crude extracts of cells grown in the presence of 50 mM asparagine
33.4
-
activity in extracts from anaerobic grown cells
5900
-
activity in crude extracts of cells grown in the presence of 50 mM glutamine
60000
-
activity in crude extracts of cells grown in the presence of 50 mM potassium nitrate