ID   KITH_CLOBH              Reviewed;         191 AA.
AC   A5HY32; A7G052;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   26-JUN-2007, sequence version 1.
DT   03-AUG-2022, entry version 81.
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};
GN   OrderedLocusNames=CBO0136, CLC_0184;
OS   Clostridium botulinum (strain Hall / ATCC 3502 / NCTC 13319 / Type A).
OC   Bacteria; Firmicutes; Clostridia; Eubacteriales; Clostridiaceae;
OC   Clostridium.
OX   NCBI_TaxID=441771;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Hall / ATCC 3502 / NCTC 13319 / Type A;
RX   PubMed=17519437; DOI=10.1101/gr.6282807;
RA   Sebaihia M., Peck M.W., Minton N.P., Thomson N.R., Holden M.T.G.,
RA   Mitchell W.J., Carter A.T., Bentley S.D., Mason D.R., Crossman L.,
RA   Paul C.J., Ivens A., Wells-Bennik M.H.J., Davis I.J., Cerdeno-Tarraga A.M.,
RA   Churcher C., Quail M.A., Chillingworth T., Feltwell T., Fraser A.,
RA   Goodhead I., Hance Z., Jagels K., Larke N., Maddison M., Moule S.,
RA   Mungall K., Norbertczak H., Rabbinowitsch E., Sanders M., Simmonds M.,
RA   White B., Whithead S., Parkhill J.;
RT   "Genome sequence of a proteolytic (Group I) Clostridium botulinum strain
RT   Hall A and comparative analysis of the clostridial genomes.";
RL   Genome Res. 17:1082-1092(2007).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Hall / ATCC 3502 / NCTC 13319 / Type A;
RX   PubMed=18060065; DOI=10.1371/journal.pone.0001271;
RA   Smith T.J., Hill K.K., Foley B.T., Detter J.C., Munk A.C., Bruce D.C.,
RA   Doggett N.A., Smith L.A., Marks J.D., Xie G., Brettin T.S.;
RT   "Analysis of the neurotoxin complex genes in Clostridium botulinum A1-A4
RT   and B1 strains: BoNT/A3, /Ba4 and /B1 clusters are located within
RT   plasmids.";
RL   PLoS ONE 2:E1271-E1271(2007).
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; CP000727; ABS37958.1; -; Genomic_DNA.
DR   EMBL; AM412317; CAL81691.1; -; Genomic_DNA.
DR   RefSeq; WP_003405033.1; NC_009698.1.
DR   RefSeq; YP_001252683.1; NC_009495.1.
DR   RefSeq; YP_001386095.1; NC_009698.1.
DR   AlphaFoldDB; A5HY32; -.
DR   SMR; A5HY32; -.
DR   GeneID; 5184391; -.
DR   KEGG; cbh:CLC_0184; -.
DR   KEGG; cbo:CBO0136; -.
DR   PATRIC; fig|413999.7.peg.135; -.
DR   HOGENOM; CLU_064400_3_0_9; -.
DR   OMA; GWLELIC; -.
DR   PRO; PR:A5HY32; -.
DR   Proteomes; UP000001986; 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: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   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   InterPro; IPR020633; Thymidine_kinase_CS.
DR   PANTHER; PTHR11441; PTHR11441; 1.
DR   Pfam; PF00265; TK; 1.
DR   PIRSF; PIRSF035805; TK_cell; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   PROSITE; PS00603; TK_CELLULAR_TYPE; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Cytoplasm; DNA synthesis; Kinase; Metal-binding;
KW   Nucleotide-binding; Reference proteome; Transferase; Zinc.
FT   CHAIN           1..191
FT                   /note="Thymidine kinase"
FT                   /id="PRO_1000018153"
FT   ACT_SITE        89
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00124"
FT   BINDING         15..22
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00124"
FT   BINDING         88..91
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00124"
FT   BINDING         145
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00124"
FT   BINDING         148
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00124"
FT   BINDING         183
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00124"
FT   BINDING         186
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00124"
SQ   SEQUENCE   191 AA;  21545 MW;  524B3EA8664BD59E CRC64;
     MYGPKDHGWI EVVAGPMYSG KTEELIRRIR RAEIAKQKVQ VFKPEIDNRY SKQDVVSHAG
     DKIQSVPVKS SKEILEKLLD DTDVIGIDEA QFFDDFLVEI VSKIANNNRR VICAGLDMDF
     KGEPFGPMPK LMAIAEFVDK IQAVCMVCNN PATRTQRLIN GKPAKKSDPV VLIGAQESYE
     ARCRKCHRVP R