ID 2.1.1.240 DE trans-resveratrol di-O-methyltransferase. AN pterostilbene synthase. AN resveratrol O-methyltransferase. CA 2 S-adenosyl-L-methionine + trans-resveratrol = 2 H(+) + pterostilbene + CA 2 S-adenosyl-L-homocysteine. CC -!- The enzyme catalyzes the biosynthesis of pterostilbene from CC resveratrol. DR B6VJS4, ROMT_VITVI ; //