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EC 1.7.3.4 Details
EC number
1.7.3.4
Accepted name
hydroxylamine oxidase
Reaction
hydroxylamine + O2 + ferricytochrome c = nitrite + H2O + ferrocytochrome c
Other name(s)
HAO (ambiguous), hydroxylamine oxidoreductase (ambiguous)
Systematic name
hydroxylamine:oxygen oxidoreductase
CAS registry number
9075-43-8
Comment
The enzyme from the heterotrophic nitrifying bacterium Paracoccus denitrificans contains three to five non-heme, non-iron-sulfur iron atoms and interacts with cytochrome c556 and pseudoazurin [2,3].
History
created 1972, deleted 2013
EC Tree
1.8.1.1 created 1961, deleted 1972
1.8.99.4 created 1999, deleted 2000