>sp|A4TMM9|PUR7_YERPP Phosphoribosylaminoimidazole-succinocarboxamide synthase OS=Yersinia pestis GN=purC MQKLAELYRGKAKTVYTTENPDLLVLEFRNDTSALDGQRIEQFDRKGMVNNKFNHFIMTK LEEAGIPTQMERLLSDTEVLVKKLEMIPVECVIRNRAAGSLVKRLGIEEGLSLNPPLFDL FLKNDAMHDPMVNESYCKTFGWATEAQLARMKELSYLANDVLSKLFDDAGLILVDFKLEF GLFNGEVVLGDEFSPDGSRLWDKKTLNKMDKDRYRQSLGGLIEAYEEVAHRIGVKLD