>sp|A1B389|HIS2_PARDP Phosphoribosyl-ATP pyrophosphatase OS=Paracoccus denitrificans GN=hisE MSGPHPTGLHRLAETIAARKGADPETSWTAKLLAKGPEKCAEKFGEEAVEAIIEAVKGDR AKLISEAADTLYHLLVMLAARDVTLSDVENELDRREGRSGIEEKASRK