>sp|Q4JAU3|PURP_SULAC 5-formaminoimidazole-4-carboxamide-1-(beta)-D-ribofuranosyl 5'-monophosphate synthetase OS=Sulfolobus acidocaldarius GN=purP MDTVLTIGSHSSLQILHGAKKEGFKTVQITPKNRVNFYSQFSFIDEILGYNNEDEAVEFV NKYSNRGALIPHGSLVEYVGSERVSKITTKIFGNRNLFAWESNQKKKMSLLRRSGIQVPE EFENVEDVDRLVIVKLPGAKGGKGYFIAKTKSEVKEGLNRLISSKLIKDVNDVIIQEYVI GVPMYFQFFYSPILNRLEITGIDIRYETNVDGLRRLPENLADPTFVVVGNIPAVARESLL PKVYDYGMSFVNTVKEVVPPGMIGPFCLESVVKDDGSIVVFEFSGRIVAGTNLYIAGSPY SWLYWDEPMSVGRRISREIRLALNSNKLEVIFT