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1.7.3.6: hydroxylamine oxidase (cytochrome)

This is an abbreviated version!
For detailed information about hydroxylamine oxidase (cytochrome), go to the full flat file.

Word Map on EC 1.7.3.6

Reaction

hydroxylamine
+
2 ferricytochrome c
=
nitroxyl
+ 2 ferrocytochrome c + 2 H+

Synonyms

EC 1.7.3.4, HAO, hydroxylamine oxidase, hydroxylamine oxidoreductase, hydroxylamine-cytochrome c oxidoreductase, hydroxylamine-cytochrome c reductase, oxidase, hydroxylamine HAO, protein NE1300

ECTree

     1 Oxidoreductases
         1.7 Acting on other nitrogenous compounds as donors
             1.7.3 With oxygen as acceptor
                1.7.3.6 hydroxylamine oxidase (cytochrome)

Substrates Products

Substrates Products on EC 1.7.3.6 - hydroxylamine oxidase (cytochrome)

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SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
hydroxylamine + 2 ferricytochrome c
nitroxyl + 2 ferrocytochrome c + 2 H+
show the reaction diagram
-
-
-
?
hydroxylamine + ferricytochrome c550
nitroxyl + ferrocytochrome c550 + H+
show the reaction diagram
-
under aerobic assay conditions nitrite is the major reaction product but N2O is also detected at low levels. Under anaerobic conditions no nitrite is produced but N2O is detected, though at non-stoichiometric levels. The production of nitrite by Paracoccus denitrificans hydroxylamine oxidase is an oxygen-dependent reaction
-
-
?
hydroxylamine + ferricytochrome c551
nitroxyl + ferrocytochrome c551 + H+
show the reaction diagram
-
-
-
-
?
hydroxylamine + horse heart ferricytochrome c
nitroxyl + horse heart ferrocytochrome c + H+
show the reaction diagram
hydroxylamine + O2
nitrite + H2O + H+
show the reaction diagram
hydroxylamine + pseudoazurin
nitrite + reduced pseudoazurin
show the reaction diagram
nitroxyl + 2 ferrocytochrome c + O2 + H+
nitrite + 2 ferricytochrome c + H2O
show the reaction diagram
-
-
-
?
additional information
?
-