>3F6R_1|Chains A, B, C, D|Flavodoxin|Desulfovibrio desulfuricans (876) MSKVLIVFGSSTGNTESIAQKLEELIAAGGHEVTLLNAADASAENLADGYDAVLFGCSAWGMEDLEMQDDFLSLFEEFDRIGLAGRKVAAFASGDQEYEHFCGAVPAIEERAKELGATIIAEGLKMEGDASNDPEAVASFAEDVLKQL