label: 8-amino-8-demethylriboflavin + S-adenosyl-L-methionine <=> 8-demethyl-8-(methylamino)riboflavin + S-adenosyl-L-homocysteine + H(+)
label_lc: 8-amino-8-demethylriboflavin + s-adenosyl-l-methionine <=> 8-demethyl-8-(methylamino)riboflavin + s-adenosyl-l-homocysteine + h(+)