>tr|A0A841HD43|A0A841HD43_HALSI FAD synthase OS=Halobacterium salinarum GN=ribL MTRVVAQGTFDLIHPGHVHYLEDAAAMGDELHVILARRENVTHKDPPVLPNRQRRDVVAA LDPVDHARIGHPEDIFAPIEAIDPDVIALGFDQHHDAAAIEAELADRGLDCAVERASPRE ARYDDEVLSSGDIADRVLAQRGDSDP