riboflavin synthase activity
riboflavin synthase activity
6,7-dimethyl-8-(1-D-ribityl)lumazine:6,7-dimethyl-8-(1-D-ribityl)lumazine 2,3-butanediyltransferase activity
6,7-dimethyl-8-(1-d-ribityl)lumazine:6,7-dimethyl-8-(1-d-ribityl)lumazine 2,3-butanediyltransferase activity