6.3.3.-

6,7-dimethyl-8-ribityllumazine synthase
riboflavin synthase, beta subunit (6,7-dimethyl-8-ribityllumazine synthase) (NCBI)
6,7-dimethyl-8-ribityllumazine synthase
6,7-dimethyl-8-ribityllumazine synthase (DMRL synthase) (Lumazine synthase) (Riboflavin synthase beta chain) (RefSeq)