>sp|Q8X6C4|XDHC_ECO57 Xanthine dehydrogenase iron-sulfur-binding subunit OS=Escherichia coli O157:H7 GN=xdhC MNHSETITIECTINGMPFQLHAVPGTPLSELLREQGLLSVKQGCCVGECGACTVLVDGTA IDSCLYLAAWAEGKEIRTLEGEAKGGKLSHVQQAYAKSGAVQCGFCTPGLIMATTAMLAK PREKPLTITEIRRGLAGNLCRCTGYQMIVNTVLDCEKTK