Chlorophyllide-a oxygenase
Chlorophyllide-a oxygenase, chlorophyllide a oxygenase, chlorophyll-b synthase, CAO) is an enzyme with systematic name chlorophyllide-a:oxygen 7-oxidoreductase. This enzyme catalyses the following chemical reactions
show in the green box is oxidised to a formyl group.
This enzyme contains a mononuclear iron centre and is part of the biosynthetic pathway to chlorophylls.