ID G8LEG5_9ENTR Unreviewed; 211 AA. AC G8LEG5; DT 22-FEB-2012, integrated into UniProtKB/TrEMBL. DT 22-FEB-2012, sequence version 1. DT 24-JAN-2024, entry version 55. 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:AEW74023.1}; GN ORFNames=EcWSU1_02589 {ECO:0000313|EMBL:AEW74023.1}; OS Enterobacter ludwigii. OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales; OC Enterobacteriaceae; Enterobacter; Enterobacter cloacae complex. OX NCBI_TaxID=299767 {ECO:0000313|EMBL:AEW74023.1, ECO:0000313|Proteomes:UP000007838}; RN [1] {ECO:0000313|EMBL:AEW74023.1, ECO:0000313|Proteomes:UP000007838} RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=EcWSU1 {ECO:0000313|EMBL:AEW74023.1, RC ECO:0000313|Proteomes:UP000007838}; RX PubMed=22675579; DOI=10.4056/sigs.2174950; RA Humann J.L., Wildung M., Cheng C.H., Lee T., Stewart J.E., Drew J.C., RA Triplett E.W., Main D., Schroeder B.K.; RT "Complete genome of the onion pathogen Enterobacter cloacae EcWSU1."; RL Stand. Genomic Sci. 5:279-286(2011). 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 --------------------------------------------------------------------------- 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; CP002886; AEW74023.1; -; Genomic_DNA. DR AlphaFoldDB; G8LEG5; -. DR STRING; 299767.GCA_900068845_01566; -. DR KEGG; eec:EcWSU1_02589; -. DR eggNOG; COG1435; Bacteria. DR HOGENOM; CLU_064400_2_1_6; -. DR Proteomes; UP000007838; 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:0008270; F:zinc ion binding; 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 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|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 Metal-binding {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}; Zinc {ECO:0000256|HAMAP-Rule:MF_00124}. FT ACT_SITE 95 FT /note="Proton acceptor" FT /evidence="ECO:0000256|HAMAP-Rule:MF_00124, FT ECO:0000256|PIRSR:PIRSR035805-1" FT BINDING 16..23 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000256|HAMAP-Rule:MF_00124" FT BINDING 94..97 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000256|HAMAP-Rule:MF_00124" FT BINDING 152 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /evidence="ECO:0000256|HAMAP-Rule:MF_00124" FT BINDING 154 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /evidence="ECO:0000256|HAMAP-Rule:MF_00124" FT BINDING 189 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /evidence="ECO:0000256|HAMAP-Rule:MF_00124" FT BINDING 192 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /evidence="ECO:0000256|HAMAP-Rule:MF_00124" SQ SEQUENCE 211 AA; 23722 MW; FFAB73B0A18EBEE9 CRC64; MIRVLRPMAQ LYFYYSAMNA GKSTALLQSS YNYQERGMRT VVYTAEIDDR FGAGKVSSRI GLSSPARLFN PQTDLLEDIR TAHASQPIHC VLVDESQFLT REQVHALSEV VDELDIPVLC YGLRTDFRGE LFAGSQYLLA WSDKLVELKT ICFCGRKASM VLRLDQAGKP YADGEQVVIG GNERYVSVCR KHYKEALIVG SLTALQPDNR K //