>sp|B4E643|HIS2_BURCJ Phosphoribosyl-ATP pyrophosphatase OS=Burkholderia cenocepacia GN=hisE MTQSTEDTLLRLAAVIDSRKGGDPDQSYVSRLFHKGDDAVLKKIGEEATEVVLAAKDVRQ GGAPTALVGEVADLWFHCLVMLSHFDLSPADVIAELERREGLSGIEEKALRKRREREENG G