KPYK_ENCCU
ID KPYK_ENCCU Reviewed; 428 AA.
AC Q8SQP0;
DT 07-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT 29-MAY-2013, sequence version 2.
DT 03-AUG-2022, entry version 110.
DE RecName: Full=Pyruvate kinase;
DE Short=PK;
DE EC=2.7.1.40;
GN Name=PYK1; OrderedLocusNames=ECU09_0640;
OS Encephalitozoon cuniculi (strain GB-M1) (Microsporidian parasite).
OC Eukaryota; Fungi; Fungi incertae sedis; Microsporidia; Unikaryonidae;
OC Encephalitozoon.
OX NCBI_TaxID=284813;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=GB-M1;
RX PubMed=11719806; DOI=10.1038/35106579;
RA Katinka M.D., Duprat S., Cornillot E., Metenier G., Thomarat F.,
RA Prensier G., Barbe V., Peyretaillade E., Brottier P., Wincker P.,
RA Delbac F., El Alaoui H., Peyret P., Saurin W., Gouy M., Weissenbach J.,
RA Vivares C.P.;
RT "Genome sequence and gene compaction of the eukaryote parasite
RT Encephalitozoon cuniculi.";
RL Nature 414:450-453(2001).
RN [2]
RP GENOME REANNOTATION.
RC STRAIN=GB-M1;
RX PubMed=20003517; DOI=10.1186/1471-2164-10-607;
RA Peyretaillade E., Goncalves O., Terrat S., Dugat-Bony E., Wincker P.,
RA Cornman R.S., Evans J.D., Delbac F., Peyret P.;
RT "Identification of transcriptional signals in Encephalitozoon cuniculi
RT widespread among Microsporidia phylum: support for accurate structural
RT genome annotation.";
RL BMC Genomics 10:607-607(2009).
RN [3]
RP IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS], AND
RP DEVELOPMENTAL STAGE.
RX PubMed=16691553; DOI=10.1002/pmic.200500796;
RA Brosson D., Kuhn L., Delbac F., Garin J., Vivares C.P., Texier C.;
RT "Proteomic analysis of the eukaryotic parasite Encephalitozoon cuniculi
RT (microsporidia): a reference map for proteins expressed in late sporogonial
RT stages.";
RL Proteomics 6:3625-3635(2006).
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 -!- DEVELOPMENTAL STAGE: Expressed in late sporogonial stages.
CC {ECO:0000269|PubMed:16691553}.
CC -!- SIMILARITY: Belongs to the pyruvate kinase family. {ECO:0000305}.
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DR EMBL; AL590451; CAD27037.2; -; Genomic_DNA.
DR RefSeq; XP_955618.1; XM_950525.1.
DR AlphaFoldDB; Q8SQP0; -.
DR SMR; Q8SQP0; -.
DR STRING; 284813.Q8SQP0; -.
DR GeneID; 860403; -.
DR KEGG; ecu:ECU09_0640; -.
DR VEuPathDB; MicrosporidiaDB:ECU09_0640; -.
DR HOGENOM; CLU_015439_1_1_1; -.
DR InParanoid; Q8SQP0; -.
DR OrthoDB; 933620at2759; -.
DR UniPathway; UPA00109; UER00188.
DR Proteomes; UP000000819; Chromosome IX.
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 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; IPR015793; Pyrv_Knase_brl.
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 PRINTS; PR01050; PYRUVTKNASE.
DR SUPFAM; SSF50800; SSF50800; 1.
DR SUPFAM; SSF51621; SSF51621; 1.
DR SUPFAM; SSF52935; SSF52935; 1.
DR TIGRFAMs; TIGR01064; pyruv_kin; 1.
PE 1: Evidence at protein level;
KW ATP-binding; Glycolysis; Kinase; Magnesium; Metal-binding;
KW Nucleotide-binding; Potassium; Pyruvate; Reference proteome; Transferase.
FT CHAIN 1..428
FT /note="Pyruvate kinase"
FT /id="PRO_0000379473"
FT BINDING 34
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 36..39
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000250|UniProtKB:P14618"
FT BINDING 36
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000250"
FT BINDING 38
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000250"
FT BINDING 68
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000250"
FT BINDING 69
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000250"
FT BINDING 75
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000250|UniProtKB:P14618"
FT BINDING 152
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000250|UniProtKB:P14618"
FT BINDING 214
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255"
FT BINDING 237
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 238
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000250"
FT BINDING 238
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 270
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT SITE 212
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000250"
SQ SEQUENCE 428 AA; 47063 MW; 7594602E9E920AC5 CRC64;
MRMVLTKIVC TIGPRTSSRE KIKELIDAGM SIARLNFSHG SREAHLEVIR NIRDSRSGAG
RHVSIALDTR GPEVRLRTPE MKDIKVEGGE VLRFSLLSSE KDIWIPGVDL KSLGVDNRVF
IDDGAIELRV VNVEEDGFEC EVLNSGMIKS NKSMNFPGTD IGDRALGDED KNDIAFGLEN
GIDMVFASFV SCRADVEEIR RLVGSKVPVV SKIESCLGMR NLKEIALCSD GVMIARGDLG
VEIGLENMFS AQKRILYEVK REGRPVICAT QMMESMTLKN APNRSEISDV GNAVLDGCDC
VMLSAESAVG MFPVETVKFM RSICADAERY DMESRKGAGA CGVSSYVDGV VICSGTESQI
EKIYLSKPET PIIVISESLW ILRRFSIYRG IIPVYGKGSE DAEATLRRLG LRGRFLAVGR
EDVRMVSV