ID   E4NI69_KITSK            Unreviewed;       215 AA.
AC   E4NI69;
DT   08-FEB-2011, integrated into UniProtKB/TrEMBL.
DT   08-FEB-2011, sequence version 1.
DT   27-MAR-2024, entry version 59.
DE   RecName: Full=Thymidine kinase {ECO:0000256|ARBA:ARBA00012118, ECO:0000256|HAMAP-Rule:MF_00124};
DE            EC=2.7.1.21 {ECO:0000256|ARBA:ARBA00012118, ECO:0000256|HAMAP-Rule:MF_00124};
GN   Name=tdk {ECO:0000256|HAMAP-Rule:MF_00124,
GN   ECO:0000313|EMBL:BAJ31199.1};
GN   OrderedLocusNames=KSE_54240 {ECO:0000313|EMBL:BAJ31199.1};
OS   Kitasatospora setae (strain ATCC 33774 / DSM 43861 / JCM 3304 / KCC A-0304
OS   / NBRC 14216 / KM-6054) (Streptomyces setae).
OC   Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC   Streptomycetaceae; Kitasatospora.
OX   NCBI_TaxID=452652 {ECO:0000313|EMBL:BAJ31199.1, ECO:0000313|Proteomes:UP000007076};
RN   [1] {ECO:0000313|EMBL:BAJ31199.1, ECO:0000313|Proteomes:UP000007076}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 33774 / DSM 43861 / JCM 3304 / KCC A-0304 / NBRC 14216 /
RC   KM-6054 {ECO:0000313|Proteomes:UP000007076};
RX   PubMed=21059706; DOI=10.1093/dnares/dsq026;
RA   Ichikawa N., Oguchi A., Ikeda H., Ishikawa J., Kitani S., Watanabe Y.,
RA   Nakamura S., Katano Y., Kishi E., Sasagawa M., Ankai A., Fukui S.,
RA   Hashimoto Y., Kamata S., Otoguro M., Tanikawa S., Nihira T., Horinouchi S.,
RA   Ohnishi Y., Hayakawa M., Kuzuyama T., Arisawa A., Nomoto F., Miura H.,
RA   Takahashi Y., Fujita N.;
RT   "Genome sequence of Kitasatospora setae NBRC 14216T: an evolutionary
RT   snapshot of the family Streptomycetaceae.";
RL   DNA Res. 17:393-406(2010).
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|HAMAP-Rule:MF_00124,
CC         ECO:0000256|RuleBase:RU000544};
CC   -!- SUBUNIT: Homotetramer. {ECO:0000256|HAMAP-Rule:MF_00124}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00124}.
CC   -!- SIMILARITY: Belongs to the thymidine kinase family.
CC       {ECO:0000256|ARBA:ARBA00007587, ECO:0000256|HAMAP-Rule:MF_00124,
CC       ECO:0000256|RuleBase:RU004165}.
CC   -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC       feature annotation. {ECO:0000256|HAMAP-Rule:MF_00124}.
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DR   EMBL; AP010968; BAJ31199.1; -; Genomic_DNA.
DR   RefSeq; WP_014138496.1; NC_016109.1.
DR   AlphaFoldDB; E4NI69; -.
DR   STRING; 452652.KSE_54240; -.
DR   KEGG; ksk:KSE_54240; -.
DR   PATRIC; fig|452652.3.peg.5427; -.
DR   eggNOG; COG1435; Bacteria.
DR   HOGENOM; CLU_064400_2_0_11; -.
DR   Proteomes; UP000007076; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004797; F:thymidine kinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0071897; P:DNA biosynthetic process; IEA:UniProtKB-KW.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   Gene3D; 3.30.60.20; -; 1.
DR   Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 1.
DR   HAMAP; MF_00124; Thymidine_kinase; 1.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   InterPro; IPR001267; Thymidine_kinase.
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.
PE   3: Inferred from homology;
KW   ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW   Rule:MF_00124}; Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00124};
KW   DNA synthesis {ECO:0000256|ARBA:ARBA00022634, ECO:0000256|HAMAP-
KW   Rule:MF_00124};
KW   Kinase {ECO:0000256|ARBA:ARBA00022777, ECO:0000256|HAMAP-Rule:MF_00124};
KW   Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW   Rule:MF_00124}; Reference proteome {ECO:0000313|Proteomes:UP000007076};
KW   Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW   Rule:MF_00124}.
FT   ACT_SITE        87
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00124,
FT                   ECO:0000256|PIRSR:PIRSR035805-1"
FT   BINDING         9..16
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00124"
FT   BINDING         86..89
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00124"
SQ   SEQUENCE   215 AA;  23526 MW;  C4A27E82691D8F67 CRC64;
     MAELVFFSGT MDCGKSTLAL QMDHNHAARG RQGMIFTRND RAGAATISSR LGLRADAVEA
     GDDFDFQAYV VQLLSAGGKV DYLICDEAQF FSADQIDQLA RIVDELGIDV FTFGITTDFR
     TRLFPGSQRL IELADRVEVL QVEALCWCGA RATHNARTVG GVMVVEGAQV VVGDVTVRED
     EIGYEVLCRR HHRRRLTAAT ARAAVLSPDV LPFEG
//