>sp|Q2FT79|RIBL_METHJ FAD synthase OS=Methanospirillum hungatei JF-1 GN=ribL MIRVVATGTFDILHPGHLWYLEESAKLGDELYVIVARDANIRHKPRPVIPEEQRLVMVAA LKPVTHAVLGDLEDMFRPIREIKPDIITLGCNQHFDPETLQKALEKQNIRAQVVRISEHS SSPFTSSRDIVRKIAELTHQRSQTRETKEQRECGAV