label: 3-amino-2,4-dihydroxybenzoate + S-adenosyl-L-methionine = 3-amino-2-hydroxy-4-methoxybenzoate + S-adenosyl-L-homocysteine + H(+)
label_lc: 3-amino-2,4-dihydroxybenzoate + s-adenosyl-l-methionine = 3-amino-2-hydroxy-4-methoxybenzoate + s-adenosyl-l-homocysteine + h(+)