>sp|B4EY76|PUR7_PROMH Phosphoribosylaminoimidazole-succinocarboxamide synthase OS=Proteus mirabilis GN=purC MQKKAELYRGKAKTVYTTESSDYLILEFRNDTSALDGQRIEQFDRKGMVNNKFNYFIMNK LEEAGIPTQMERLLSDNEVLVKKLDMVPVECVIRNRAAGSLVKRLGIEEGTVLNPPIFDL FLKDDARHDPMVNESYCETFGWVSKENLAEMKRLSYKANDVLSELFDKAGLILVDFKLEF GLFNGKVVLGDEFSPDGSRLWDKNTLDKMDKDRFRQSLGGLIEAYEEVARRIGVSLD