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Magnesium protoporphyrin monomethyl ester oxidative cyclase

(Science: enzyme) in chlorophyll biosynthesis converts -(ch2)2-coo-ch3 side chain of mg protoporphyrin monomethyl ester to -c=o-ch-cooch3 ring of mg 2,4-divinyl phaeoporphyrin a(5) monomethyl ester; requires nadph and molecular oxygen; similar to cytochrome p-450 catalyzed systems but not inhibited by co

registry number: EC 1.14.13.-

Synonym: mpme-oxidative cyclase