>tr|A0A8T5D2X3|A0A8T5D2X3_HALVO FAD synthase OS=Haloferax volcanii GN=ribL MRRVIAQGTFDILHPGHVHYLSDAASLGDELHVIIARGENVTHKPKPILDGRQRRDMVAA LDVVDEAHLGHVEDIFVPIEEIDPDVIVLGYDQHHDEDGIKAALDARGIDCEVTRATPRE LRHDDELLSTGRIIDRIVERRC