>sp|A8HYT3|HIS2_AZOC5 Phosphoribosyl-ATP pyrophosphatase OS=Azorhizobium caulinodans GN=hisE MSEDRVTLADLERIVAARAQADAGASYTRSLLDKGISKCAQKLGEEAVETALAAVGSDKA AVISETADLLYHLAVLLHAKGVELDEVHAELARRTRQSGHEEKASRQRS