>sp|Q9HUB6|HIS2_PSEAE Phosphoribosyl-ATP pyrophosphatase OS=Pseudomonas aeruginosa GN=hisE MSDTLTRLAAVLEERKNAAPDSSYVASLYHKGLNKILEKVGEESVETIIAAKDAAASGDC QDLIYETADLWFHSLVMLSALGQHPQAVLDELERRFGLSGHAEKAARQPSA