>sp|A7ZWV5|BETB_ECOHS Betaine aldehyde dehydrogenase OS=Escherichia coli O9:H4 GN=betB MSRMAEQQLYIHGGYTSATSGRTFETINPANGNVLATVQAAGREDVDRAVKSAQQGQKIW AAMTAMERSRILRRAVDILRERNDELAKLETLDTGKAYSETSTVDIVTGADVLEYYAGLI PALEGSQIPLRETSFVYTRREPLGVVAGIGAWNYPIQIALWKSAPALAAGNAMIFKPSEV TPLTALKLAEIYSEAGLPDGVFNVLPGVGAETGQYLTEHPGIAKVSFTGGVASGKKVMAN SAASSLKEVTMELGGKSPLIVFDDADLDLAADIAMMANFFSSGQVCTNGTRVFVPAKCKA AFEQKILARVERIRAGDVFDPQTNFGPLVSFPHRDNVLRYIAKGQEEGARVLCGGDVLKG DGFDNGAWVAPTVFTDCRDDMTIVREEIFGPVMSILTYETEDEVIRRANDTDYGLAAGIV TADLNRAHRVIHQLEAGICWINTWGESPAEMPVGGYKHSGIGRENGVMTLQSYTQVKSIQ VEMAKFQSIF