>sp|A6X0X1|HIS3_BRUA4 Phosphoribosyl-AMP cyclohydrolase OS=Brucella anthropi GN=hisI MSFFPAQPSDKKAIEEGAAFMPRFDASGLITAVVTDARDGELLMVAHMNEEALRLTLETG IAHYWSRSRGKLWKKGETSGNLQSVVELRTDCDQDALWLKVRVAGDGPTCHTGRRSCFYR QVVAENGDISLAIEGACDHEH