>sp|Q8U2I1|PNPH_PYRFU 6-oxopurine nucleoside phosphorylase OS=Pyrococcus furiosus GN=PF0853 MPRIAIVGGSGVYDFPAENKREETVKTPYGEVKITVGVVGDEEVAFLARHGKGHSIPPHK INYRANIWALYELGVERIIATSAVGSMNPEMKPGDFVILDQIIDFTVSRPRTFYDGEESP HERKFVAHVDFTEPYCPEIRKALITAARNLGLPYHPRGTYVCTEGPRFETAAEIRAYRIL GGDVVGMTQCPEAILARELEMCYATVAIVTNYAAGMSGKKLTHSEVVELMQKKSEDIVKL ILAAIPLIPKERRCGCKDALKGATG