Tags: Enzyme.
Carotenoid isomerooxygenase (EC 1.13.11.65 ninaB (gene)) is an enzyme with system name zeaxanthin:oxygen 1515′-oxidoreductase (bond-cleaving cis-isomerizing). This enzyme catalyses the following chemical reaction zeaxanthin + O2 (3R)-11-cis-3-hydroxyretinal + (3R)-all-trans-3-hydroxyretinalThe enzyme from the moth Galleria mellonella and the fruit fly Drosophila melanogaster takes part in the synthesis of retinal .