>tr|A0A510N8S0|A0A510N8S0_HALSA ATP phosphoribosyltransferase OS=Halobacterium salinarum GN=hisG MRIAVPNKGRLHDPTLALLDRAGIGVEDGADRQLYADTVDPALTVLYARAADIPEYVADG AADAGITGHDQLRESDVDCVEERLDLNYGSCRLVLAAPEDGDVTAPADLDGATVATEFPT ITRAYFADTTATPEIVEVTGATELTPHVEMADAIVDITSTGTTLRVNRLQVVDEVLSSSV RLFAHEDVHDDPKVQQVETALRSVLDAHGKRYVMLNAPADRLDDVKAVLPGLGGPTVLDV DEPGTVAVHAVVPERDVFEAISELKAVGASGILVTEIERLVD