>tr|A0A832WKP9|A0A832WKP9_9EURY Phosphoribosylformylglycinamidine synthase subunit PurS OS=Methanocaldococcus jannaschii GN=purS MYKATVIIKLKKGVLNPEGRTIQRALNFLGFNNVKEVQTYKMIDIIMEGENEEKVKEEVE EMCKKLLANPVIHDYEIKVEKIE