8-demethyl-8-(methylamino)riboflavin + S-adenosyl-L-methionine <=> roseoflavin + S-adenosyl-L-homocysteine + H(+)
8-demethyl-8-(methylamino)riboflavin + s-adenosyl-l-methionine <=> roseoflavin + s-adenosyl-l-homocysteine + h(+)
8-demethyl-8-(methylamino)riboflavin + S-adenosyl-L-methionine <=> roseoflavin + S-adenosyl-L-homocysteine + H(+)
8-demethyl-8-(methylamino)riboflavin + s-adenosyl-l-methionine <=> roseoflavin + s-adenosyl-l-homocysteine + h(+)