ID B1VXP3_STRGG Unreviewed; 217 AA. AC B1VXP3; DT 20-MAY-2008, integrated into UniProtKB/TrEMBL. DT 20-MAY-2008, sequence version 1. DT 27-MAR-2024, entry version 76. 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 OrderedLocusNames=SGR_1680 {ECO:0000313|EMBL:BAG18509.1}; OS Streptomyces griseus subsp. griseus (strain JCM 4626 / NBRC 13350). OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales; OC Streptomycetaceae; Streptomyces. OX NCBI_TaxID=455632 {ECO:0000313|EMBL:BAG18509.1, ECO:0000313|Proteomes:UP000001685}; RN [1] {ECO:0000313|EMBL:BAG18509.1, ECO:0000313|Proteomes:UP000001685} RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=JCM 4626 / NBRC 13350 {ECO:0000313|Proteomes:UP000001685}; RX PubMed=18375553; DOI=10.1128/JB.00204-08; RA Ohnishi Y., Ishikawa J., Hara H., Suzuki H., Ikenoya M., Ikeda H., RA Yamashita A., Hattori M., Horinouchi S.; RT "Genome sequence of the streptomycin-producing microorganism Streptomyces RT griseus IFO 13350."; RL J. Bacteriol. 190:4050-4060(2008). 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}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; AP009493; BAG18509.1; -; Genomic_DNA. DR RefSeq; WP_003965745.1; NC_010572.1. DR AlphaFoldDB; B1VXP3; -. DR GeneID; 6213464; -. DR KEGG; sgr:SGR_1680; -. DR PATRIC; fig|455632.4.peg.1702; -. DR eggNOG; COG1435; Bacteria. DR HOGENOM; CLU_064400_2_0_11; -. DR Proteomes; UP000001685; 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}; 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 217 AA; 23513 MW; C4B8ACBF31371E02 CRC64; MPELVFFSGT MDCGKSTLAL QIGHNRSARG LQGVIFTRDD RAGEGKLSSR LGLVTDAVEA EEGMDLYAHI VGRVSRGGRV DYVIVDEAQF LAPDQIDQLA RVVDDLGLDV FAFGITTDFR TKLFPGSQRL IELADRIEAL QVEALCWCGA RATHNARTVD GEMVVEGAQV VVGDVNRQAG EVGYEVLCRR HHRRRTTATA ARASSLSPDV LPVASDA //