>sp|Q8X8L4|DLHH_ECO57 Putative carboxymethylenebutenolidase OS=Escherichia coli O157:H7 GN=ysgA
MATTQQSGFAPAASPLASTIVQTPDDAIVAGFTSIPSQGDNMPAYHARPKQSDGPLPVVI
VVQEIFGVHEHIRDICRRLALEGYLAIAPELYFREGDPNDFADIPTLLSGLVAKVPDSQV
LADLDHVASWASRNGGDVHRLMITGFCWGGRITWLYAAHNPQLKAAVAWYGKLTGDKSLN
SPKQPVDIATDLNAPVLGLYGGLDNSIPQESVETMRQALRAANAKAEIIVYPDAGHAFNA
DYRPSYHAASAEDGWQRMLEWFKQYGGKKSL