>tr|A0A895A2Q5|A0A895A2Q5_9EURY Phosphoribosyl-ATP pyrophosphatase OS=Halobacterium sp. GSL-19 GN=hisE MSDPLRELFDVIEDRKETMPENSYTASLLADDEKGENAALEKVGEEATEFLLAAKDGDTD ELAHEGADVVYHMLVVLAQQDMDVEALLAELDDRR