>sp|Q8XCV1|YFBU_ECO57 UPF0304 protein YfbU OS=Escherichia coli O157:H7 GN=yfbU MEMTNAQRLILSNQYKMMTMLDPANAERYRRLQTIIERGYGLQMRELDREFGELKEETCR TIIDIMEMYHALHVSWSNLQDQQSIDERRVTFLGFDAATEARYLGYVRFMVNVEGRYTHF DAGTHGFNAQTPMWEKYQRMLNVWHACPRQYHLSANEINQIINA