>sp|B3PWH8|HIS2_RHIE6 Phosphoribosyl-ATP pyrophosphatase OS=Rhizobium etli GN=hisE MSGFSLADLERIVDERSKASPEQSWTAKLVAGGQPKAAKKLGEEAIEAVMAAATGDRDNL TYEAADVLYHLLVVLKIAEIPLENVMAELERRTAQSGLKEKANRQSS