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 myo-inositol + S-adenosyl-L-methionine = 1D-3-O-methyl-myo-inositol + CA H(+) + S-adenosyl-L-homocysteine. //