>tr|A5IMW2|A5IMW2_THEP1 Phosphoribosylformylglycinamidine synthase subunit PurS OS=Thermotoga petrophila GN=purS MPLFKFAIDVQYRSNVRDPRGETIERVLREEKGLPVKKLRLGKSIHLEVEAENKEKAYEI VKKACEELLVNPVVEEYEVREL