ID   KITH_STRCO              Reviewed;         216 AA.
AC   O50519;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-1998, sequence version 1.
DT   03-AUG-2022, entry version 113.
DE   RecName: Full=Thymidine kinase {ECO:0000255|HAMAP-Rule:MF_00124};
DE            EC=2.7.1.21 {ECO:0000255|HAMAP-Rule:MF_00124};
GN   Name=tdk {ECO:0000255|HAMAP-Rule:MF_00124}; OrderedLocusNames=SCO5845;
GN   ORFNames=SC9B10.12;
OS   Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145).
OC   Bacteria; Actinobacteria; Streptomycetales; Streptomycetaceae;
OC   Streptomyces; Streptomyces albidoflavus group.
OX   NCBI_TaxID=100226;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-471 / A3(2) / M145;
RX   PubMed=12000953; DOI=10.1038/417141a;
RA   Bentley S.D., Chater K.F., Cerdeno-Tarraga A.-M., Challis G.L.,
RA   Thomson N.R., James K.D., Harris D.E., Quail M.A., Kieser H., Harper D.,
RA   Bateman A., Brown S., Chandra G., Chen C.W., Collins M., Cronin A.,
RA   Fraser A., Goble A., Hidalgo J., Hornsby T., Howarth S., Huang C.-H.,
RA   Kieser T., Larke L., Murphy L.D., Oliver K., O'Neil S., Rabbinowitsch E.,
RA   Rajandream M.A., Rutherford K.M., Rutter S., Seeger K., Saunders D.,
RA   Sharp S., Squares R., Squares S., Taylor K., Warren T., Wietzorrek A.,
RA   Woodward J.R., Barrell B.G., Parkhill J., Hopwood D.A.;
RT   "Complete genome sequence of the model actinomycete Streptomyces coelicolor
RT   A3(2).";
RL   Nature 417:141-147(2002).
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:0000255|HAMAP-Rule:MF_00124};
CC   -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_00124}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00124}.
CC   -!- SIMILARITY: Belongs to the thymidine kinase family. {ECO:0000255|HAMAP-
CC       Rule:MF_00124}.
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DR   EMBL; AL939125; CAA15802.1; -; Genomic_DNA.
DR   PIR; T35881; T35881.
DR   RefSeq; NP_629968.1; NC_003888.3.
DR   RefSeq; WP_003973175.1; NZ_VNID01000007.1.
DR   AlphaFoldDB; O50519; -.
DR   SMR; O50519; -.
DR   STRING; 100226.SCO5845; -.
DR   GeneID; 1101287; -.
DR   KEGG; sco:SCO5845; -.
DR   PATRIC; fig|100226.15.peg.5943; -.
DR   eggNOG; COG1435; Bacteria.
DR   HOGENOM; CLU_064400_2_0_11; -.
DR   InParanoid; O50519; -.
DR   OMA; GTMDCGK; -.
DR   PhylomeDB; O50519; -.
DR   BRENDA; 2.7.1.21; 5998.
DR   Proteomes; UP000001973; Chromosome.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
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; 3.40.50.300; -; 1.
DR   HAMAP; MF_00124; Thymidine_kinase; 1.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   InterPro; IPR001267; Thymidine_kinase.
DR   PANTHER; PTHR11441; PTHR11441; 1.
DR   Pfam; PF00265; TK; 1.
DR   PIRSF; PIRSF035805; TK_cell; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Cytoplasm; DNA synthesis; Kinase; Nucleotide-binding;
KW   Reference proteome; Transferase.
FT   CHAIN           1..216
FT                   /note="Thymidine kinase"
FT                   /id="PRO_0000175029"
FT   ACT_SITE        87
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00124"
FT   BINDING         9..16
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00124"
FT   BINDING         86..89
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00124"
SQ   SEQUENCE   216 AA;  23368 MW;  A04BA1CE8C3B4ADA CRC64;
     MPELVFFSGT MDCGKSTLAL QIEHNRSARG LAGMIFTRDD RAGEGKLSSR LGLVTDAVEV
     GDGQDLYAHV VDHLSQGGRV DYVIADEAQF LAPDQIDQLA RVVDDLDVDV YAFGITTDFR
     SKLFPGSQRL VELADRVEVL QVEALCWCGA RATHNARTVG GVMVVEGAQV VVGDVAQSPD
     EIGYEVLCRR HHRRRMTSAT ARAAALSPDV LPVTAT