>tr|A0A841HAA8|A0A841HAA8_HALSI ATP phosphoribosyltransferase OS=Halobacterium salinarum GN=hisG MRIAVPNKGRLHDPTLALLDRAGIGVEDGADRQLYADTVDPALTVLYARAADIPEYVADG AADAGITGHDQLRESDVDCVEERLDLNYGSCRLVLAAPEDGDVTAPADLDGATVATEFPT ITRAYFADTTATPEIVEVTGATELTPHVEMADAIVDITSTGTTLRVNRLQVVDEVLSSSV RLFAHEDVHDDPKVQQVETALRSVLDAHGKRYVMLNAPADRLDDVKAVLPGLGGPTVLDV DEPGTVAVHAVVPERDVFEAISELKAVGASGILVTEIERLVD