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