>sp|Q9HJ34|RIBL_THEAC FAD synthase OS=Thermoplasma acidophilum GN=ribL MVRVMATGVFDIIHLGHIHYLRESKKLGDELVVVVARDSTARKNGKVPIFDENSRLKLVS ELKPVDRAILGHEDDMMKTVVEVMPDIITLGYDQKFDEADLKRKLDQIGVNSRIVRISKY DGNLNSSSMVRKKIMELIGERF