>sp|A1KAV2|HIS2_AZOSB Phosphoribosyl-ATP pyrophosphatase OS=Azoarcus sp. GN=hisE MIDIEVLHRVAATLAERKKADPDSSYVSSLYAKGTDAICKKVAEEAAETIMAAKDKDMLH IVWEVTDLWFHSMVLLSHFGLSVDDVLAEFRRREGVSGIDEKKSRKN