>sp|B2K993|PUR7_YERPB Phosphoribosylaminoimidazole-succinocarboxamide synthase OS=Yersinia pseudotuberculosis serotype IB GN=purC MQKLAELYRGKAKTVYTTENPDLLVLEFRNDTSALDGQRIEQFDRKGMVNNKFNHFIMTK LEEAGIPTQMERLLSDTEVLVKKLEMIPVECVIRNRAAGSLVKRLGIEEGLSLNPPLFDL FLKNDAMHDPMVNESYCKTFGWATEAQLARMKELSYLANDVLSKLFDDAGLILVDFKLEF GLFNGEVVLGDEFSPDGSRLWDKKTLNKMDKDRYRQSLGGLIEAYEEVAHRIGVKLD