>tr|D0KPX8|D0KPX8_SACS9 Carboxymethylenebutenolidase OS=Saccharolobus solfataricus GN=Ssol_2800 MEKEIFYDSDGAKIRAFLATPENPKLAVIVIHEIWGLNDNIKDISRRLANEGYMALAPQL YTRNEDVLNEGNIQNVMMKVWSIPPEKRNDPNSYQQIMSALDEKGKKVAELLVLNRQKTE EQMIKDAIKAYEYVSSQGVKKIVSMGFCMGGGLAFQLATEVPLDGTIVFYGRNPQPLEAI QKIKGPILGLYAGEDPPIDAGLPDLISAIIKYKKDLELKIYPGAYHAFFNDRGRSYNKEA AEDAWERVKSFLRRVSK