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ENZYME entry: EC

Accepted Name
Sulfur oxygenase/reductase.
Alternative Name(s)
Sulfur oxygenase.
Sulfur oxygenase reductase.
Reaction catalysed
4 sulfur + 4 H(2)O + O(2) <=> 2 H(2)S + 2 HSO(3)(-) + 2 H(+)
Fe cation.
  • Elemental sulfur is both the electron donor and one of the two known acceptors, the other being oxygen.
  • Thiosulfate is also observed as a product, but is likely formed non- enzymically by a reaction between sulfite and sulfur.
  • This enzyme differs from EC and EC in that both activities occur simultaneously.
PRIAM enzyme-specific profiles1.13.11.55
KEGG Ligand Database for Enzyme Nomenclature1.13.11.55
IUBMB Enzyme Nomenclature1.13.11.55
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All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 1.13.11.-
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