>sp|B1ILB2|HIS2_CLOBK Phosphoribosyl-ATP pyrophosphatase OS=Clostridium botulinum GN=hisE MNKNNVIDSLFNIIEDRKDKPIEGSYTGYLFEKGLDKILKKVGEESSEVIIAAKNEDKEE LIKEICDLTYHIMVLMVEKQIKLDGIEKELEKRREKICNKKNERKTIERL