si_0387 riboflavin_to_FAD 3,4-dihydroxy-2-butanone 4-phosphate synthase si_0387 riboflavin_to_FAD CTP-dependent archaeal riboflavin kinase si_0387 riboflavin_to_FAD FMN adenylyltransferase (EC 2.7.7.2) si_0387 riboflavin_to_FAD Riboflavin kinase (EC 2.7.1.26) si_0387 riboflavin_to_FAD Riboflavin synthase alpha chain (EC 2.5.1.9) si_0387 riboflavin_to_FAD Riboflavin synthase archaeal (EC 2.5.1.9)