MeSH note : from photosynthetic tissue; catalyzes the methylation of magnesium protoporphyrin
in the presence of S-adenosyl-L-methionine to yield magnesium protoporphyrin monomethyl
ester & S-adenosyl-L-homocysteine;
MeSH synonym : Mg-PP-methyltransferase; magnesium protoporphyrin IX methyltransferase; S-adenosyl-L-methionine-Mg-protoporphyrin IX methyltransferase; S-adenosyl-L-methionine-magnesium protoporphyrin methyltransferase;