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1.10.3.17: superoxide oxidase

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

Word Map on EC 1.10.3.17

Reaction

2 O2 +

ubiquinol
= 2 superoxide +
ubiquinone
+ 2 H+

Synonyms

copper- and zinc-containing superoxide dismutase, Cu,Zn-SOD, Cyb, cybB, cyt b559, Cyt b561, cytochrome b559, cytochrome b561, O2- :Fe(III) oxidoreductase, SOO, superoxide:ubiquinone oxidoreductase

ECTree

     1 Oxidoreductases
         1.10 Acting on diphenols and related substances as donors
             1.10.3 With oxygen as acceptor
                1.10.3.17 superoxide oxidase

Systematic Name

Systematic Name on EC 1.10.3.17 - superoxide oxidase

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SYSTEMATIC NAME
IUBMB Comments
ubiquinol:oxygen oxidoreductase (superoxide-forming)
This membrane-bound, di-heme containing enzyme, identified in the bacterium Escherichia coli, is responsible for the detoxification of superoxide in the periplasm. In vivo the reaction proceeds in the opposite direction of that shown and produces oxygen. Superoxide production was only observed when the enzyme was incubated in vitro with an excess of ubiquinol.