>sp|Q2N8I9|HIS2_ERYLH Phosphoribosyl-ATP pyrophosphatase OS=Erythrobacter litoralis GN=hisE MNTLQRLEATIAARRNADPDSSYVARLNAKGLPKMAEKVGEEATETVIAALTGSDEELVG EGADLIFHLLVLLQARGVSLDQVLAELDRREGLSGLDEKAKRGD