>sp|Q8X643|PREA_ECO57 NAD-dependent dihydropyrimidine dehydrogenase subunit PreA OS=Escherichia coli O157:H7 GN=preA MLTKDLSITFCGVKFPNPFCLSSSPVGNCYEMCAKAYDTGWGGVVFKTIGFFIANEVSPR FDHLVKEDTGFIGFKNMEQIAEHPLEENLAALRRLKEDYPDKVLIASIMGENEQQWEELA RLVQEAGADMIECNFSCPQMTSHAMGSDVGQSPELVEKYCRAVKRGSTLPMLAKMTPNIG DMCEVALAAKRGGADGIAAINTVKSITNIDLNQKIGMPIVNGKSSISGYSGKAVKPIALR FIQQMRTHPELRDFPISGIGGIETWEDAAEFLLLGAATLQVTTGIMQYGYRIVEDMASGL SHYLADQGFDSLQEMVGLANNNIVPAEDLDRSYIVYPRINLDKCVGCGRCYISCYDGGHQ AMEWSEKTRTPHCNTEKCVGCLLCGHVCPVGCIELGEVKFKKGEKEHPVTL