>sp|P65889|PUR7_SALTY Phosphoribosylaminoimidazole-succinocarboxamide synthase OS=Salmonella typhimurium GN=purC MQKQAELYRGKAKTVYSTENPDLLVLEFRNDTSAGDGARIEQFDRKGMVNNKFNHFIMTK LAEAGIPTQMERLLSDTECLVKKLEMVPVECVVRNRAAGSLVKRLGVEEGMELNPPIFDL FLKNDALHDPMVNSSYCETFGWVSQENLARMKELTYKANDVLKKLFDDAGLILVDFKLEF GLYKGEVVLGDEFSPDGSRLWDKETLDKMDKDRFRQSLGGLIEAYEAVAHRLGVKLD