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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
+
H2O
+ 4 ferricytochrome c =
nitrite
+ 4 ferrocytochrome c + 5 H+

Synonyms

EC 1.7.3.4, HAO, haoA, HCR, HOA, hydroxylamine cytochrome c554 oxidoreductase, hydroxylamine oxidase, hydroxylamine oxidoreductase, hydroxylamine-cytochrome c reductase, hydroxylamine:oxygen oxidoreductase, mHAO, NeHAO, NirK, 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

Engineering

Engineering on EC 1.7.2.6 - hydroxylamine dehydrogenase

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PROTEIN VARIANTS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
W464Y
W428Y
W434Y
-
mutant contains a tyrosine residue at the position corresponding to that in Nitrosomonas europaea Hao, where it is described to crosslink the monomers of the Hao trimer. Hydoxylamine reductase activity is similar to wild-type, nitrite reductase activity decreases considerably
additional information