Reaction catalyzed by 8-amino-8-demethylriboflavin N,N-dimethyltransferase (2.1.1.343)
+
=
+
S-adenosyl-L-methionine
+
8-demethyl-8-(methylamino)riboflavin
=
S-adenosyl-L-homocysteine
+
roseoflavin