>sp|A9GB86|HIS4_SORC5 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Sorangium cellulosum GN=hisA MQLIPAIDLLGGQAVRLHQGRYDQVTVYDQDPAALAARLRRACARLHVVDLEGARAGLPV QADAVRAVIAAFGAEGGSVQVGGGIRSAAAAESYLALGADRIVLGTAAVNDPALVRDLAG RFPGRVVVAVDAKDGRVAVQGWEQVSSVTALDVARALAGAPVAALLYTDVSRDGTQVGPN LEATRELAASCGFPVLASGGVGSLAHLRALAQIPGVSGVIVGRALYEGAFTLAEAIEAAS A