>tr|A0A0E3QLM4|A0A0E3QLM4_METBA FAD synthase OS=Methanosarcina barkeri str. Wiesmoor GN=ribL MTRILATGTFDLLHPGHIYFLTQARALGDELFVIVARDSNVTHKPKPIVSEEQRLEMVNA LGIVDKALLGSEKDMFEPLKHIRPDIIALGYDQRFNAENLEEELAKRGLPANVVRIPLSK ECPLCSTGAIIKEVLKRYG