ENTRY       EC 1.13.11.21
NAME        beta-Carotene 15,15'-dioxygenase
CLASS       Oxidoreductases
            Acting on single donors with incorporation of molecular oxygen
            (oxygenases)
            With incorporation of two atoms of oxygen
SYSNAME     beta-Carotene:oxygen 15,15'-oxidoreductase (bond-cleaving)
REACTION    beta-Carotene + O2 = 2 Retinal
SUBSTRATE   beta-Carotene
            O2
PRODUCT     Retinal
COFACTOR    Bile salt
            Iron
COMMENT     Requires bile salts and Fe2+.
PATHWAY     PATH: MAP00830  Retinol metabolism
DBLINKS     University of Geneva ENZYME DATA BANK: 1.13.11.21
            WIT (What Is There) Metabolic Reconstruction: 1.13.11.21
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