label: vanillate + (6S)-5,6,7,8-tetrahydrofolate => (6S)-5-methyl-5,6,7,8-tetrahydrofolate + 3,4-dihydroxybenzoate
label_lc: vanillate + (6s)-5,6,7,8-tetrahydrofolate => (6s)-5-methyl-5,6,7,8-tetrahydrofolate + 3,4-dihydroxybenzoate