>sp|Q8XBK7|TTDA_ECO57 L(+)-tartrate dehydratase subunit alpha OS=Escherichia coli O157:H7 GN=ttdA MMSESNKQQAVNKLTEIVANFTAMISTRMPDDVVDKLKQLKDAETSSMGKIIYHTMFDNM QKAIDLNRPACQDTGEIMFFVKVGSRFPLLGELQSILKQAVEEATIKAPLRHNAVEIFDE VNTGKNTGSGVPWVTWDIVPDGDDAEIEVYMAGGGCTLPGRSKVLMPSEGYEGVVKFVFE NISTLAVNACPPVLVGVGIATSVETAAVLSRKAILRPIGSRHPNPKAAELELRLEEGLNR LGIGPQGLTGNSSVMGVHIESAARHPSTIGVAVSTGCWAHRRGTLLVHADLTFENLSHTR SAL