>sp|Q63GT6|PUR7_BACCZ Phosphoribosylaminoimidazole-succinocarboxamide synthase OS=Bacillus cereus GN=purC MQKLELLYEGKAKRIYRTESADMVWVEYKDSATAFNGEKKETITGKGRLNNEITTLLFRK LQEVGIKTHFVEKLSETEQLVKKVSIIPLEVVTRNVIAGSLSKRLGMEEGTVLAEPIVEF YFKDDDLGDPLVTEDHIRVLNVASPEQVSVLRDMALQINQVLIDHFASCRVRLVDFKLEF GVTDEGEIILADEISPDTCRLWDETSNEKFDKDVFRRDLGNLTDAYEEILKRLGGISHV