>sp|Q81ZH5|PUR7_BACAN Phosphoribosylaminoimidazole-succinocarboxamide synthase OS=Bacillus anthracis GN=purC MQKLELLYEGKAKRIYRTESADMVWVEYKDSATAFNGEKKETITGKGRLNNEITTLLFRK LQEVGIKTHFVEKLSETEQLVKKVSIIPLEVVTRNVIAGSLSKRLGMEEGTVLAEPIVEF YFKDDDLGDPLVTEDHIRVLNVASPEQVSVLRDMALQINQVLIDHFASCRVRLVDFKLEF GVTDEGAIILADEISPDTCRLWDETSNEKFDKDVFRRDLGNLTDAYEEILKRLGGISHV