1.7.2.6: hydroxylamine dehydrogenase

This is an abbreviated version!
For detailed information about hydroxylamine dehydrogenase, go to the full flat file.

Word Map on EC 1.7.2.6

Reaction

hydroxylamine
+ 3 ferricytochrome c =
nitric oxide
+ 3 ferrocytochrome c + 3 H+

Synonyms

HAO, haoA, HCR, HOA, hydroxylamine cytochrome c554 oxidoreductase, hydroxylamine oxidase, hydroxylamine oxidoreductase, hydroxylamine-cytochrome c reductase, hydroxylamine:oxygen oxidoreductase, NeHAO, NoHAO

ECTree

     1 Oxidoreductases
         1.7 Acting on other nitrogenous compounds as donors
             1.7.2 With a cytochrome as acceptor
                1.7.2.6 hydroxylamine dehydrogenase

Turnover Number

Turnover Number on EC 1.7.2.6 - hydroxylamine dehydrogenase

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TURNOVER NUMBER [1/s]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
111
ferricyanide
pH 7.8, temperature not specified in the publication
3.4
ferricytochrome c-554
source of substrate Nitrosococcus oceani, pH 7.8, temperature not specified in the publication
-
383
hydroxylamine
-
oxidized
158
nitrite
-
-
additional information
additional information
-
overview: effect of pH on rate of reduction of heme c553 of the enzyme by NH2OH, rate constant for reduction of hemes of the enzyme by dithionite at 2C and 19C and by NH2OH or NH2NH2 at 2C
-