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EC 1.10.3.17 Details
EC number
1.10.3.17
Accepted name
superoxide oxidase
Reaction
2 O2 + ubiquinol = 2 superoxide + ubiquinone + 2 H+
Other name(s)
SOO, CybB, cytochrome b561, superoxide:ubiquinone oxidoreductase
Systematic name
ubiquinol:oxygen oxidoreductase (superoxide-forming)
Comment
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.
History
created 2019
EC Tree
3.6.1.4 created 1961, deleted 1965
3.6.1.32 created 1984, deleted 2000
3.6.1.33 created 1984, deleted 2000
3.6.1.34 created 1984, deleted 2000
3.6.1.35 created 1984, deleted 2000
3.6.1.36 created 1984, deleted 2000
3.6.1.37 created 1984, deleted 2000
3.6.1.38 created 1984, deleted 2000
3.6.1.46 created 2000, deleted 2003
3.6.1.47 created 2000, deleted 2003
3.6.1.48 created 2000, deleted 200
3.6.1.49 created 2000, deleted 2003
3.6.1.50 created 2000, deleted 2003
3.6.1.51 created 2000, deleted 2003