Term Name:	magnesium protoporphyrin IX methyltransferase activity
Synonyms:	(-)-S-adenosyl-L-methionine:magnesium-protoporphyrin IX methyltransferase activity, magnesium-protoporphyrin O-methyltransferase activity, Mg-protoporphyrin IX methyltransferase activity, S-adenosyl-L-methionine:magnesium-protoporphyrin O-methyltransferase activity, S-adenosyl-L-methionine:magnesium-protoporphyrin-IX O-methyltransferase activity, S-adenosyl-L-methionine:Mg protoporphyrin methyltransferase activity, S-adenosylmethionine-magnesium protoporphyrin methyltransferase activity, S-adenosylmethioninemagnesium protoporphyrin methyltransferase activity
Definition:	Catalysis of the reaction: Mg-protoporphyrin IX + S-adenosyl-L-methionine = Mg-protoporphyrin IX 13-monomethyl ester + S-adenosyl-L-homocysteine.
Ontology:	GO: Molecular Function [GO:0046406]    QuickGO    AmiGO