>sp|B4T0L4|PUR7_SALNS Phosphoribosylaminoimidazole-succinocarboxamide synthase OS=Salmonella newport GN=purC MQKQAELYRGKAKTVYSTENPDLLVLEFRNDTSAGDGARIEQFDRKGMVNNKFNHFIMTK LAEAGIPTQMERLLSDTECLVKKLEMVPVECVVRNRAAGSLVKRLGVEEGMELNPPIFDL FLKNDALHDPMVNSSYCETFGWVSQENLARMKELTYKANDVLKKLFDDAGLILVDFKLEF GLYKGEVVLGDEFSPDGSRLWDKETLDKMDKDRFRQSLGGLIEAYEAVAHRLGVKLD