ID   KPYK_KLULA              Reviewed;         501 AA.
AC   Q875M9; Q6CIW7;
DT   11-OCT-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 120.
DE   RecName: Full=Pyruvate kinase;
DE            Short=PK;
DE            EC=2.7.1.40;
GN   Name=PYK1; Synonyms=CDC19; OrderedLocusNames=KLLA0F23397g;
OS   Kluyveromyces lactis (strain ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 /
OS   NRRL Y-1140 / WM37) (Yeast) (Candida sphaerica).
OC   Eukaryota; Fungi; Dikarya; Ascomycota; Saccharomycotina; Saccharomycetes;
OC   Saccharomycetales; Saccharomycetaceae; Kluyveromyces.
OX   NCBI_TaxID=284590;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=ATCC 76492 / CBS 2359/152 / CLIB 210;
RX   PubMed=12594514; DOI=10.1038/nature01419;
RA   Langkjaer R.B., Cliften P.F., Johnston M., Piskur J.;
RT   "Yeast genome duplication was followed by asynchronous differentiation of
RT   duplicated genes.";
RL   Nature 421:848-852(2003).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37;
RX   PubMed=15229592; DOI=10.1038/nature02579;
RA   Dujon B., Sherman D., Fischer G., Durrens P., Casaregola S., Lafontaine I.,
RA   de Montigny J., Marck C., Neuveglise C., Talla E., Goffard N., Frangeul L.,
RA   Aigle M., Anthouard V., Babour A., Barbe V., Barnay S., Blanchin S.,
RA   Beckerich J.-M., Beyne E., Bleykasten C., Boisrame A., Boyer J.,
RA   Cattolico L., Confanioleri F., de Daruvar A., Despons L., Fabre E.,
RA   Fairhead C., Ferry-Dumazet H., Groppi A., Hantraye F., Hennequin C.,
RA   Jauniaux N., Joyet P., Kachouri R., Kerrest A., Koszul R., Lemaire M.,
RA   Lesur I., Ma L., Muller H., Nicaud J.-M., Nikolski M., Oztas S.,
RA   Ozier-Kalogeropoulos O., Pellenz S., Potier S., Richard G.-F.,
RA   Straub M.-L., Suleau A., Swennen D., Tekaia F., Wesolowski-Louvel M.,
RA   Westhof E., Wirth B., Zeniou-Meyer M., Zivanovic Y., Bolotin-Fukuhara M.,
RA   Thierry A., Bouchier C., Caudron B., Scarpelli C., Gaillardin C.,
RA   Weissenbach J., Wincker P., Souciet J.-L.;
RT   "Genome evolution in yeasts.";
RL   Nature 430:35-44(2004).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + pyruvate = ADP + H(+) + phosphoenolpyruvate;
CC         Xref=Rhea:RHEA:18157, ChEBI:CHEBI:15361, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:58702, ChEBI:CHEBI:456216;
CC         EC=2.7.1.40;
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000250};
CC   -!- COFACTOR:
CC       Name=K(+); Xref=ChEBI:CHEBI:29103; Evidence={ECO:0000250};
CC   -!- PATHWAY: Carbohydrate degradation; glycolysis; pyruvate from D-
CC       glyceraldehyde 3-phosphate: step 5/5.
CC   -!- SUBUNIT: Homotetramer. {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the pyruvate kinase family. {ECO:0000305}.
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DR   EMBL; AY145040; AAO32602.1; -; Genomic_DNA.
DR   EMBL; CR382126; CAG98830.1; -; Genomic_DNA.
DR   RefSeq; XP_456122.1; XM_456122.1.
DR   AlphaFoldDB; Q875M9; -.
DR   SMR; Q875M9; -.
DR   STRING; 28985.XP_456122.1; -.
DR   EnsemblFungi; CAG98830; CAG98830; KLLA0_F23397g.
DR   GeneID; 2895322; -.
DR   KEGG; kla:KLLA0_F23397g; -.
DR   eggNOG; KOG2323; Eukaryota.
DR   HOGENOM; CLU_015439_0_1_1; -.
DR   InParanoid; Q875M9; -.
DR   OMA; QVPIVQK; -.
DR   UniPathway; UPA00109; UER00188.
DR   Proteomes; UP000000598; Chromosome F.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0016301; F:kinase activity; IEA:UniProtKB-KW.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:InterPro.
DR   GO; GO:0030955; F:potassium ion binding; IEA:InterPro.
DR   GO; GO:0004743; F:pyruvate kinase activity; IEA:UniProtKB-EC.
DR   GO; GO:0061621; P:canonical glycolysis; IEA:EnsemblFungi.
DR   GO; GO:0042866; P:pyruvate biosynthetic process; IEA:EnsemblFungi.
DR   CDD; cd00288; Pyruvate_Kinase; 1.
DR   Gene3D; 2.40.33.10; -; 1.
DR   Gene3D; 3.20.20.60; -; 1.
DR   Gene3D; 3.40.1380.20; -; 1.
DR   InterPro; IPR001697; Pyr_Knase.
DR   InterPro; IPR015813; Pyrv/PenolPyrv_Kinase-like_dom.
DR   InterPro; IPR040442; Pyrv_Kinase-like_dom_sf.
DR   InterPro; IPR011037; Pyrv_Knase-like_insert_dom_sf.
DR   InterPro; IPR018209; Pyrv_Knase_AS.
DR   InterPro; IPR015793; Pyrv_Knase_brl.
DR   InterPro; IPR015795; Pyrv_Knase_C.
DR   InterPro; IPR036918; Pyrv_Knase_C_sf.
DR   InterPro; IPR015806; Pyrv_Knase_insert_dom_sf.
DR   PANTHER; PTHR11817; PTHR11817; 1.
DR   Pfam; PF00224; PK; 1.
DR   Pfam; PF02887; PK_C; 1.
DR   PRINTS; PR01050; PYRUVTKNASE.
DR   SUPFAM; SSF50800; SSF50800; 1.
DR   SUPFAM; SSF51621; SSF51621; 1.
DR   SUPFAM; SSF52935; SSF52935; 1.
DR   TIGRFAMs; TIGR01064; pyruv_kin; 1.
DR   PROSITE; PS00110; PYRUVATE_KINASE; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Glycolysis; Kinase; Magnesium; Metal-binding;
KW   Nucleotide-binding; Potassium; Pyruvate; Reference proteome; Transferase.
FT   CHAIN           1..501
FT                   /note="Pyruvate kinase"
FT                   /id="PRO_0000112114"
FT   BINDING         50
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         52..55
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000250|UniProtKB:P14618"
FT   BINDING         52
FT                   /ligand="K(+)"
FT                   /ligand_id="ChEBI:CHEBI:29103"
FT                   /evidence="ECO:0000250"
FT   BINDING         54
FT                   /ligand="K(+)"
FT                   /ligand_id="ChEBI:CHEBI:29103"
FT                   /evidence="ECO:0000250"
FT   BINDING         85
FT                   /ligand="K(+)"
FT                   /ligand_id="ChEBI:CHEBI:29103"
FT                   /evidence="ECO:0000250"
FT   BINDING         86
FT                   /ligand="K(+)"
FT                   /ligand_id="ChEBI:CHEBI:29103"
FT                   /evidence="ECO:0000250"
FT   BINDING         92
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000250|UniProtKB:P14618"
FT   BINDING         178
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000250|UniProtKB:P14618"
FT   BINDING         243
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255"
FT   BINDING         266
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         267
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000250"
FT   BINDING         267
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         299
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   SITE            241
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   501 AA;  54917 MW;  12F2D4C3E4940B95 CRC64;
     MESRLGWLTD LSTETGTNLR RTSIICTIGP KTNNPETLVE LRKAGMNIVR MNFSHGSYEY
     HQSVIDNARK SEELYQGRPL AIALDTKGPE IRTGTTTNDV DYPIPPNHEM IFTTDDKYAK
     ACDDKTMYVD YKNITKVIEA GRIIYVDDGV LSFEVLEVID DNTLKVKSLN AGKICSHKGV
     NLPGTDVDLP ALSEKDKSDL KFGVKNGVHM VFASFIRTAQ DVLTIREVLG EQGKDIKIIV
     KIENQQGVNN FDDILKVTDG VMVARGDLGI EIPAPQVFAV QKKLIAKCNL AGKPVICATQ
     MLESMTYNPR PTRAEVSDVG NAVLDGADCV MLSGETAKGN YPINAVKTMA ETALIAEQAI
     PYIPTYDDLR NLTPKPTSTT ETIAAASVSA VFEQKARALI VLSTTGDTPR LVAKYKPNVP
     IVMVTRNPRA ARFSHLYRGV FPFVYDESSD SEWTVDVEKR INFGVKKAKE FGILVDGDTI
     VTIQGFAAGV GNSNTLRVLT V