>sp|A5UNK4|KPRS_METS3 Ribose-phosphate pyrophosphokinase OS=Methanobrevibacter smithii GN=prs MIIGGSASQDLAAHVAEELNDDLCYVETKKFPDGERYLRVDGEIDDEVTVIQSTGYPQDE NLMELLFLISNLKDLGAKKVRVVVPYMGYARQEKRFHDGEAVSAKIVANLIQSAGADEFI TFNIHEKCVLDFFDIPTTNISAMGAIAEYIDEKIDEKPLIVAPDKGAYPFAQEIAEILDC ECTYLSKVRLGPDKVETRIVDVEGSSDETVNVDSVKGKKAFIIDDIIATGGTIVNAVKIL KEYGAKSVDVCCVHPILVNGATMRIYAAGANSLISTNSLSADSSRVSLAKSIANVLRD