>sp|A0PXP9|HIS2_CLONN Phosphoribosyl-ATP pyrophosphatase OS=Clostridium novyi (strain NT) GN=hisE PE=3 SV=1 MDNIDVIEELYNVILDRKENGKENSYTNYLFEKGIDKILKKVGEETTEVIVAAKNTNKDD LIAEVCDVIYHMVVLMVEKEVKLEDIKNELNKRRKKVGNKKPERRKIENI