ID   KC11_ENCCU              Reviewed;         304 AA.
AC   Q8SS96;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   22-SEP-2009, sequence version 2.
DT   03-AUG-2022, entry version 99.
DE   RecName: Full=Probable casein kinase I homolog ECU03_0910;
DE            EC=2.7.11.1;
GN   OrderedLocusNames=ECU03_0910;
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: Involved in DNA repair. May regulate the activity of
CC       protein(s) involved in double strand break repair caused by gamma rays
CC       (By similarity). {ECO:0000250}.
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: Nucleus {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the protein kinase superfamily. CK1 Ser/Thr
CC       protein kinase family. Casein kinase I subfamily. {ECO:0000305}.
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DR   EMBL; AL590443; CAD26235.2; -; Genomic_DNA.
DR   RefSeq; NP_597600.1; NM_001040964.1.
DR   AlphaFoldDB; Q8SS96; -.
DR   SMR; Q8SS96; -.
DR   STRING; 284813.Q8SS96; -.
DR   GeneID; 858762; -.
DR   KEGG; ecu:ECU03_0910; -.
DR   VEuPathDB; MicrosporidiaDB:ECU03_0910; -.
DR   HOGENOM; CLU_019279_2_0_1; -.
DR   InParanoid; Q8SS96; -.
DR   OrthoDB; 1097975at2759; -.
DR   Proteomes; UP000000819; Chromosome III.
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:0006281; P:DNA repair; 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; IPR008271; Ser/Thr_kinase_AS.
DR   Pfam; PF00069; Pkinase; 1.
DR   SMART; SM00220; S_TKc; 1.
DR   SUPFAM; SSF56112; SSF56112; 1.
DR   PROSITE; PS50011; PROTEIN_KINASE_DOM; 1.
DR   PROSITE; PS00108; PROTEIN_KINASE_ST; 1.
PE   3: Inferred from homology;
KW   ATP-binding; DNA damage; DNA repair; Kinase; Nucleotide-binding; Nucleus;
KW   Reference proteome; Serine/threonine-protein kinase; Transferase.
FT   CHAIN           1..304
FT                   /note="Probable casein kinase I homolog ECU03_0910"
FT                   /id="PRO_0000384416"
FT   DOMAIN          8..304
FT                   /note="Protein kinase"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00159"
FT   ACT_SITE        129
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00159,
FT                   ECO:0000255|PROSITE-ProRule:PRU10027"
FT   BINDING         14..22
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00159"
FT   BINDING         37
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00159"
SQ   SEQUENCE   304 AA;  35525 MW;  0E95D76304599C54 CRC64;
     MTTEIRNIKL VQKIASGAFG DIFIGQNTVT NQTVAVKLEK KAHYGQLKHE YGVYKALGGT
     RTPRIYEYGK ILYENVYVNG LVMELMGKSL EQLFVTCSRR FSLKTVLMLG ERMVDNVEYL
     HHRNYVHRDI KPDNFVFDVQ GDRLYLIDYG LAKEFRNPMT FKHREMRTDK SLTGTARYAS
     LRTHQGYEQS RRDDLESVGF CMVYFLKGRL PWQGLKAKTK QEKYDRIRES KESISLYELC
     MGLPKEIHSF CFYVRNLGYE DMPNYAYLRT LLSDALRQRG LRSDGVFDWM VRTPSDSMGD
     LEIL