>tr|M1I5Z8|M1I5Z8_9CREN Phosphoribosyl-ATP pyrophosphatase OS=Sulfolobus acidocaldarius N8 OX=1028566 GN=hisE PE=3 SV=1 MSDNVIDKLYSIILDRMKTMKEGSYTVELIKRGKHYVAQKVGEESTEAIIASLVESQQRF VEEVSDLIYHLLVLMALENVTPQDVYKELERRMKK