ID 2.1.1.401 DE nicotinate methyltransferase. CA nicotinate + S-adenosyl-L-methionine = methyl nicotinate + S-adenosyl-L- CA homocysteine. CC -!- The enzyme has been characterized from the plant Arabidopsis CC thaliana. CC -!- The product, methyl nicotinate, is involved in the transport of CC nicotinate to different parts of the plant. //