>sp|Q8XBW1|HYBF_ECO57 Hydrogenase maturation factor HybF OS=Escherichia coli O157:H7 GN=hybF MHELSLCQSAVEIIQRQAEQHDVKRVTAVWLEIGALSCVEESAVRFSFEIVCHGTVAQGC DLHIVYKPAQAWCWDCSQVVEVHQHDAQCPLCHGERLRVDTGDSLIVKSIEVE