ID 2.1.1.95 DE tocopherol C-methyltransferase. AN tocopherol O-methyltransferase. CA (1) gamma-tocopherol + S-adenosyl-L-methionine = (+)-alpha-tocopherol + CA H(+) + S-adenosyl-L-homocysteine. CA (2) delta-tocopherol + S-adenosyl-L-methionine = beta-tocopherol + H(+) + CA S-adenosyl-L-homocysteine. CA (3) gamma-tocotrienol + S-adenosyl-L-methionine = alpha-tocotrienol + CA H(+) + S-adenosyl-L-homocysteine. CA (4) delta-tocotrienol + S-adenosyl-L-methionine = beta-tocotrienol + H(+) CA + S-adenosyl-L-homocysteine. CC -!- The enzymes from plants and photosynthetic bacteria have similar CC efficiency with the gamma and delta isomers of tocopherols and CC tocotrienols. DR Q9ZSK1, GTOMC_ARATH; Q6ZIK0, GTOMC_ORYSJ; //