>sp|Q57572|KPYK_METJA Pyruvate kinase OS=Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440) OX=243232 GN=MJ0108 PE=3 SV=1 MVGMMRKTKILVTLGPSLENKLDKAINLIDGVRFNMSHATTDYCEKFLNILEKNNIAKVM DLKGIKIRIKEVKLKNKILKMGEKVVIGEDIKLNYNIDTIEEGHFILINDGKIKLRVVEK TDKIIAVVEVGGEIKEGMGVNLPDTRIELPIIDETDLKNIKFAVEKDFEYIALSFVRNKE DVKELKDIISEYKGDCEVISKIETKEGLKNIKEIARESDGVMVARGDLGVEVPIENIPIE QKNILRIANRYGILSITATQILDSMINNPFPTRAEVTDIANAIYDGTDCLMLSNETTIGK YPIEAIKVLNKVAKVADEHYEEFGDRVCLEVESIDEGLVYAVYELYKKLNTKLVITPTYS GRTAKLISKLRINSKIIAPTPNIRTLKRLRLVWGVESCLMEEFDDMEKIINTCREMAKKE IGKGIYLITLGHPIGQKKTNTIKVESI