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ENZYME entry: EC 1.14.15.9

Accepted Name
Spheroidene monooxygenase.
Alternative Name(s)
2-oxo-spirilloxanthin monooxygenase.
Acyclic carotenoid 2-ketolase.
Spirilloxanthin monooxygenase.
Reaction catalysed
  • Spheroidene + 4 reduced ferredoxin [iron-sulfur] cluster + 2 O(2) + 4 H(+) <=> spheroiden-2-one + 4 oxidized ferredoxin [iron-sulfur] cluster + 3 H(2)O
  • Spirilloxanthin + 4 reduced ferredoxin [iron-sulfur] cluster + 2 O(2) + 4 H(+) <=> 2-oxospirilloxanthin + 4 oxidized ferredoxin [iron-sulfur] cluster + 3 H(2)O
  • 2-oxospirilloxanthin + 4 reduced ferredoxin [iron-sulfur] cluster + 2 O(2) + 4 H(+) <=> 2,2'-dioxospirilloxanthin + 4 oxidized ferredoxin [iron-sulfur] cluster + 3 H(2)O
Cofactor(s)
Heme.
Comment(s)
  • The enzyme is involved in spheroidenone biosynthesis and in 2,2'-dioxospirilloxanthin biosynthesis.
  • The enzyme from Rhodobacter sphaeroides contains heme at its active site.
Cross-references
BRENDA1.14.15.9
EC2PDB1.14.15.9
ExplorEnz1.14.15.9
PRIAM enzyme-specific profiles1.14.15.9
KEGG Ligand Database for Enzyme Nomenclature1.14.15.9
IUBMB Enzyme Nomenclature1.14.15.9
IntEnz1.14.15.9
MEDLINEFind literature relating to 1.14.15.9
MetaCyc1.14.15.9
UniProtKB/Swiss-Prot
P17055, CRTA_RHOCB

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