>sp|A1A7K1|CLCA_ECOK1 H(+)/Cl(-) exchange transporter ClcA OS=Escherichia coli O1:K1 / APEC GN=clcA MKTDTPSLETPQAARLRRRQLIRQLLERDKTPLAILFMAAVVGTLVGLAAVAFDKGVAWL QNQRMGALVHTADNYPLLLTVAFLCSAVLAMFGYFLVRKYAPEAGGSGIPEIEGALEDQR PVRWWRVLPVKFFGGLGTLGGGMVLGREGPTVQIGGNIGRMVLDVFRLKGDEARHTLLAT GAAAGLAAAFNAPLAGILFIIEEMRPQFRYTLISIKAVFIGVIMSTIMYRIFNHEVALID VGKLSDAPLNTLWLYLILGIIFGIFGPIFNKWVLGMQDLLHRVHGGNITKWVLMGGAIGG LCGLLGFVAPATSGGGFNLIPIATAGNFSMGMLVFIFVARVITTLLCFSSGAPGGIFAPM LALGTVLGTAFGMVAVELFPQYHLEAGTFAIAGMGALLAASIRAPLTGIILVLEMTDNYQ LILPMIITGLGATLLAQFTGGKPLYSAILARTLAKQEAEQLARSKAASARENT