ID   A0CA73_PARTE            Unreviewed;       209 AA.
AC   A0CA73;
DT   28-NOV-2006, integrated into UniProtKB/TrEMBL.
DT   28-NOV-2006, sequence version 1.
DT   24-JAN-2024, entry version 70.
DE   RecName: Full=Thymidine kinase {ECO:0000256|ARBA:ARBA00012118, ECO:0000256|RuleBase:RU000544};
DE            EC=2.7.1.21 {ECO:0000256|ARBA:ARBA00012118, ECO:0000256|RuleBase:RU000544};
GN   ORFNames=GSPATT00036470001 {ECO:0000313|EMBL:CAK67690.1};
OS   Paramecium tetraurelia.
OC   Eukaryota; Sar; Alveolata; Ciliophora; Intramacronucleata;
OC   Oligohymenophorea; Peniculida; Parameciidae; Paramecium.
OX   NCBI_TaxID=5888 {ECO:0000313|EMBL:CAK67690.1, ECO:0000313|Proteomes:UP000000600};
RN   [1] {ECO:0000313|EMBL:CAK67690.1, ECO:0000313|Proteomes:UP000000600}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Stock d4-2 {ECO:0000313|EMBL:CAK67690.1,
RC   ECO:0000313|Proteomes:UP000000600};
RX   PubMed=17086204; DOI=10.1038/nature05230;
RG   Genoscope;
RA   Aury J.-M., Jaillon O., Duret L., Noel B., Jubin C., Porcel B.M.,
RA   Segurens B., Daubin V., Anthouard V., Aiach N., Arnaiz O., Billaut A.,
RA   Beisson J., Blanc I., Bouhouche K., Camara F., Duharcourt S., Guigo R.,
RA   Gogendeau D., Katinka M., Keller A.-M., Kissmehl R., Klotz C., Koll F.,
RA   Le Moue A., Lepere C., Malinsky S., Nowacki M., Nowak J.K., Plattner H.,
RA   Poulain J., Ruiz F., Serrano V., Zagulski M., Dessen P., Betermier M.,
RA   Weissenbach J., Scarpelli C., Schachter V., Sperling L., Meyer E.,
RA   Cohen J., Wincker P.;
RT   "Global trends of whole-genome duplications revealed by the ciliate
RT   Paramecium tetraurelia.";
RL   Nature 444:171-178(2006).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + thymidine = ADP + dTMP + H(+); Xref=Rhea:RHEA:19129,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:17748, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:63528, ChEBI:CHEBI:456216; EC=2.7.1.21;
CC         Evidence={ECO:0000256|RuleBase:RU000544};
CC   -!- SIMILARITY: Belongs to the thymidine kinase family.
CC       {ECO:0000256|ARBA:ARBA00007587, ECO:0000256|RuleBase:RU004165}.
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DR   EMBL; CT868053; CAK67690.1; -; Genomic_DNA.
DR   RefSeq; XP_001435087.1; XM_001435050.1.
DR   AlphaFoldDB; A0CA73; -.
DR   STRING; 5888.A0CA73; -.
DR   EnsemblProtists; CAK67690; CAK67690; GSPATT00036470001.
DR   GeneID; 5020872; -.
DR   KEGG; ptm:GSPATT00036470001; -.
DR   eggNOG; KOG3125; Eukaryota.
DR   HOGENOM; CLU_064400_3_0_1; -.
DR   InParanoid; A0CA73; -.
DR   OMA; EAYEPRC; -.
DR   Proteomes; UP000000600; Partially assembled WGS sequence.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0004797; F:thymidine kinase activity; IBA:GO_Central.
DR   GO; GO:0071897; P:DNA biosynthetic process; IEA:UniProtKB-KW.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   GO; GO:0046104; P:thymidine metabolic process; IBA:GO_Central.
DR   Gene3D; 3.30.60.20; -; 1.
DR   Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 1.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   InterPro; IPR001267; Thymidine_kinase.
DR   InterPro; IPR020633; Thymidine_kinase_CS.
DR   PANTHER; PTHR11441; THYMIDINE KINASE; 1.
DR   PANTHER; PTHR11441:SF0; THYMIDINE KINASE, CYTOSOLIC; 1.
DR   Pfam; PF00265; TK; 1.
DR   PIRSF; PIRSF035805; TK_cell; 1.
DR   SUPFAM; SSF57716; Glucocorticoid receptor-like (DNA-binding domain); 1.
DR   SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
DR   PROSITE; PS00603; TK_CELLULAR_TYPE; 1.
PE   3: Inferred from homology;
KW   ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|RuleBase:RU000544};
KW   DNA synthesis {ECO:0000256|ARBA:ARBA00022634,
KW   ECO:0000256|RuleBase:RU000544};
KW   Kinase {ECO:0000256|ARBA:ARBA00022777, ECO:0000256|RuleBase:RU000544};
KW   Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741,
KW   ECO:0000256|RuleBase:RU000544};
KW   Reference proteome {ECO:0000313|Proteomes:UP000000600};
KW   Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU000544}.
FT   ACT_SITE        85
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR035805-1"
SQ   SEQUENCE   209 AA;  23875 MW;  30982FEC6BF17FCC CRC64;
     MFTGTISVIY GPMFSGKTSE LMRLVKRFTI SERKCAVLNY ANDNRYSDDQ CISSHDKQYL
     KAIKVTKLFD AFEKCKDYDV VAIDEGQFFC DIVEFSEAMA NLGKIVIVAA LDGTFDRKPF
     RNILSLIPLA ERITKLTAVC WFCKKENASF TKRTVQSQEI ELIGGEDCYK PACRACFNLT
     EDKFEKHTLS QIPVYSNDER LFGQQNLIC
//