ID 2.1.1.39 DE Inositol 3-methyltransferase. AN Inositol L-1-methyltransferase. AN Myo-inositol 1-methyltransferase. AN Myo-inositol 1-O-methyltransferase. AN S-adenosyl-L-methionine:myo-inositol 1-O-methyltransferase. CA S-adenosyl-L-methionine + myo-inositol = S-adenosyl-L-homocysteine + CA 1D-3-O-methyl-myo-inositol. //