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MRK1_ENCCU
ID   MRK1_ENCCU              Reviewed;         318 AA.
AC   Q8SRI3;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   29-MAY-2013, sequence version 2.
DT   03-AUG-2022, entry version 113.
DE   RecName: Full=Probable serine/threonine-protein kinase MRK1 homolog;
DE            EC=2.7.11.1;
GN   Name=MRK1; OrderedLocusNames=ECU07_1270;
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   PREDICTION OF FUNCTION.
RX   PubMed=17784954; DOI=10.1186/1471-2164-8-309;
RA   Miranda-Saavedra D., Stark M.J.R., Packer J.C., Vivares C.P., Doerig C.,
RA   Barton G.J.;
RT   "The complement of protein kinases of the microsporidium Encephalitozoon
RT   cuniculi in relation to those of Saccharomyces cerevisiae and
RT   Schizosaccharomyces pombe.";
RL   BMC Genomics 8:309-309(2007).
CC   -!- FUNCTION: May play a role in the initiation and completion of mitosis.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + L-seryl-[protein] = ADP + H(+) + O-phospho-L-seryl-
CC         [protein]; Xref=Rhea:RHEA:17989, Rhea:RHEA-COMP:9863, Rhea:RHEA-
CC         COMP:11604, ChEBI:CHEBI:15378, ChEBI:CHEBI:29999, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:83421, ChEBI:CHEBI:456216; EC=2.7.11.1;
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + L-threonyl-[protein] = ADP + H(+) + O-phospho-L-
CC         threonyl-[protein]; Xref=Rhea:RHEA:46608, Rhea:RHEA-COMP:11060,
CC         Rhea:RHEA-COMP:11605, ChEBI:CHEBI:15378, ChEBI:CHEBI:30013,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:61977, ChEBI:CHEBI:456216;
CC         EC=2.7.11.1;
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}. Nucleus {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the protein kinase superfamily. CMGC Ser/Thr
CC       protein kinase family. GSK-3 subfamily. {ECO:0000305}.
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DR   EMBL; AL590447; CAD25660.2; -; Genomic_DNA.
DR   RefSeq; NP_586056.1; NM_001041678.1.
DR   AlphaFoldDB; Q8SRI3; -.
DR   SMR; Q8SRI3; -.
DR   STRING; 284813.Q8SRI3; -.
DR   GeneID; 859486; -.
DR   KEGG; ecu:ECU07_1270; -.
DR   VEuPathDB; MicrosporidiaDB:ECU07_1270; -.
DR   HOGENOM; CLU_000288_181_20_1; -.
DR   InParanoid; Q8SRI3; -.
DR   OrthoDB; 990896at2759; -.
DR   Proteomes; UP000000819; Chromosome VII.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005634; C:nucleus; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0106310; F:protein serine kinase activity; IEA:RHEA.
DR   GO; GO:0004674; F:protein serine/threonine kinase activity; IEA:UniProtKB-KW.
DR   GO; GO:0007049; P:cell cycle; IEA:UniProtKB-KW.
DR   GO; GO:0051301; P:cell division; IEA:UniProtKB-KW.
DR   GO; GO:0006468; P:protein phosphorylation; IEA:InterPro.
DR   InterPro; IPR011009; Kinase-like_dom_sf.
DR   InterPro; IPR000719; Prot_kinase_dom.
DR   InterPro; IPR017441; Protein_kinase_ATP_BS.
DR   InterPro; IPR008271; Ser/Thr_kinase_AS.
DR   Pfam; PF00069; Pkinase; 1.
DR   SMART; SM00220; S_TKc; 1.
DR   SUPFAM; SSF56112; SSF56112; 1.
DR   PROSITE; PS00107; PROTEIN_KINASE_ATP; 1.
DR   PROSITE; PS50011; PROTEIN_KINASE_DOM; 1.
DR   PROSITE; PS00108; PROTEIN_KINASE_ST; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Cell cycle; Cell division; Cytoplasm; Kinase; Mitosis;
KW   Nucleotide-binding; Nucleus; Reference proteome;
KW   Serine/threonine-protein kinase; Transferase.
FT   CHAIN           1..318
FT                   /note="Probable serine/threonine-protein kinase MRK1
FT                   homolog"
FT                   /id="PRO_0000385510"
FT   DOMAIN          40..313
FT                   /note="Protein kinase"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00159"
FT   ACT_SITE        159
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00159,
FT                   ECO:0000255|PROSITE-ProRule:PRU10027"
FT   BINDING         46..54
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00159"
FT   BINDING         68
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00159"
SQ   SEQUENCE   318 AA;  36918 MW;  7E5271E18EE07BB2 CRC64;
     MATLSQKKLM ESVRLMEREW VKMHKALVRS RCGEVKEVRY RYVEMIGRGS FGVVVKIMDD
     RHNFFALKRV YQDRRYHNRE LGILMEVDHP NIVRLVSYFH TDKTSSGAYL NIITDFVGMN
     LEEYIKANRG VETEEIRSVY RQILEGLRYL HEKNICHRDM KPSNILIDTN GLVKICDLGS
     AKVIKSGERN ITYICSRFYR APENLLDYKE YDFKIDIWSV GCVIAEFRHP GPIFKGDTSG
     STLNRILEIV RVTSDDLIGL GCLKPDLKQG VGIRKYLEAF FSDPDLLEVL EKSLAFSPCK
     RSTASELLRK QFFQQAHE
 
 
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