>sp|O05946|PUR7_RICPR Phosphoribosylaminoimidazole-succinocarboxamide synthase OS=Rickettsia prowazekii GN=purC MKKKLYEGSSKILYSAEEDFLLIMAFSDKAVLETGETVDISGKGVLNNNISSFLMDKLEM IGIENHLIEKINMREQLIQYVEVFPIQVIISSVACGRFVKEFGMDEGYVFDKPIIDFKVR SREFNYPIVNEYQISNFGWLTMDEIRIVKAQTLRIYDFLSGLFIGIGIRLVECKLEFGRV FNGEESIIMLTDEISPDNCRLWHINSNEKLGFELIQNEPNKAFESYQLIANRLKEK