ID 2.1.1.112 DE glucuronoxylan 4-O-methyltransferase. CA glucuronoxylan D-glucuronate + n S-adenosyl-L-methionine = glucuronoxylan CA 4-O-methyl-D-glucuronate + n H(+) + n S-adenosyl-L-homocysteine. DR Q6NMK1, GXM1_ARATH ; Q9T0F7, GXM2_ARATH ; Q9LQ32, GXM3_ARATH ; //