>sp|B7NK50|BETB_ECO7I Betaine aldehyde dehydrogenase OS=Escherichia coli O7:K1 GN=betB MSRMAEQQLYIHGGCTSATSGRTFETINPANGNVLATVQAAGREDVDRAVKSAQQGQKIW AAMTAMERSRILRRAVDILRERNDELAKLETLDTGKAYSETSTVDIVTGADVLEYYAGLI PALEGSQIPLRETSFVYTRHEPLGVVAGIGAWNYPIQIALWKSAPALAAGNAMIFKPSEV TPLTALKLAEIYSEAGLPDGVFNVLPGVGAETGQYLTEHPGIAKVSFTGGVASGKKVMAN SAASSLKEVTMELGGKSPLIVFDDADLDLAADIAMMANFFSSGQVCTNGTRVFIPTKCKA AFEQKILARVERIRAGDVFDPQTNFGPLVSFPHRDNVLRYIAKGKEEGARVLCGGDVLKG DSFDNGAWVAPTVFTDCSDDMTIVREEIFGPVMSILTYESEDEVIRRANDTDYGLAAGIV TADLNRAHRVIHQLEAGICWINTWGESPAEMPVGGYKHSGIGRENGVMTLQSYTQVKSIQ VEMAKFQSIF