>sp|Q9X0X1|PURS_THEMA Phosphoribosylformylglycinamidine synthase subunit PurS OS=Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8) OX=243274 GN=purS PE=1 SV=1 MPLFKFAIDVQYRSNVRDPRGETIERVLREEKGLPVKKLRLGKSIHLEVEAENKEKAYEI VKKACEELLVNPVVEEYEVREL