>sp|Q3IQ95|RIBL_NATPD FAD synthase OS=Natronomonas pharaonis GN=ribL MRRVVAQGTFDLLHPGHLYYLTEAKSMGDELHVIVARSQNVTHKQPPIVPDEQRREMVAG LDPVDSARLGHTDDFFVPIRDIDPDVIVLGHDQHHDDERLAEMLTEEGIDCEVARASARD GDDKILSTGRIVDRICEERC