>sp|C4KHR8|HIS2_SULIK Phosphoribosyl-ATP pyrophosphatase OS=Sulfolobus islandicus (strain M.16.4 / Kamchatka #3) OX=426118 GN=hisE PE=3 SV=1 MSNEIVDKLYKVILDRIEKRPTGSYTAEIVNKGKAYVARKVGEESVETIVASLAENKERF ISEVADLIYHLLVLMALEGVTPDDIYRELERRRK