>tr|B4XNL5|B4XNL5_9BURK Phosphoribosyl-ATP pyrophosphatase OS=Burkholderia cenocepacia GN=hisE MTQSTEDTLLRLAAVIDSRKGGDPDQSYVSRLFHKGDDAVLKKIGEEATEVVLAAKDVRQ GGAPSALVGEVADLWFHCLVMLSHFDLSPADVIAELERREGLSGIEEKALRKRREREENG G