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ENZYME entry: EC 1.10.3.17

Accepted Name
Superoxide oxidase.
Alternative Name(s)
Cytochrome b(561).
Reaction catalysed
2 O(2) + ubiquinol <=> 2 superoxide + ubiquinone + 2 H(+)
Comment(s)
  • 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.
Cross-references
BRENDA1.10.3.17
EC2PDB1.10.3.17
ExplorEnz1.10.3.17
PRIAM enzyme-specific profiles1.10.3.17
KEGG Ligand Database for Enzyme Nomenclature1.10.3.17
IUBMB Enzyme Nomenclature1.10.3.17
IntEnz1.10.3.17
MEDLINEFind literature relating to 1.10.3.17
MetaCyc1.10.3.17
Rhea expert-curated reactions1.10.3.17

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