KITH_PSELT
ID KITH_PSELT Reviewed; 185 AA.
AC A8F7B3;
DT 05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT 13-NOV-2007, sequence version 1.
DT 03-AUG-2022, entry version 72.
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=Tlet_1491;
OS Pseudothermotoga lettingae (strain ATCC BAA-301 / DSM 14385 / NBRC 107922 /
OS TMO) (Thermotoga lettingae).
OC Bacteria; Thermotogae; Thermotogales; Thermotogaceae; Pseudothermotoga.
OX NCBI_TaxID=416591;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-301 / DSM 14385 / NBRC 107922 / TMO;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA Tice H., Pitluck S., Foster B., Bruce D., Schmutz J., Larimer F., Land M.,
RA Hauser L., Kyrpides N., Mikhailova N., Nelson K., Gogarten J.P., Noll K.,
RA Richardson P.;
RT "Complete sequence of Thermotoga lettingae TMO.";
RL Submitted (AUG-2007) to the EMBL/GenBank/DDBJ databases.
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; CP000812; ABV34047.1; -; Genomic_DNA.
DR RefSeq; WP_012003523.1; NC_009828.1.
DR AlphaFoldDB; A8F7B3; -.
DR SMR; A8F7B3; -.
DR STRING; 416591.Tlet_1491; -.
DR EnsemblBacteria; ABV34047; ABV34047; Tlet_1491.
DR KEGG; tle:Tlet_1491; -.
DR eggNOG; COG1435; Bacteria.
DR HOGENOM; CLU_064400_3_0_0; -.
DR OMA; ENTVNHK; -.
DR OrthoDB; 1279539at2; -.
DR Proteomes; UP000002016; 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; 3.40.50.300; -; 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..185
FT /note="Thymidine kinase"
FT /id="PRO_1000057815"
FT ACT_SITE 84
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00124"
FT BINDING 10..17
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00124"
FT BINDING 83..86
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00124"
FT BINDING 140
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00124"
FT BINDING 143
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00124"
FT BINDING 173
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00124"
FT BINDING 176
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00124"
SQ SEQUENCE 185 AA; 20846 MW; B312AF036F86873E CRC64;
MAGKLTLIVG PMYSGKTTEL LSYVEIYRLG RKKTIVFKPS LDNRYGVDCV KTHAGVEVEA
IAVEKSADAM KYIKQPVDAV FVDEVQFFDK DLVKIVRQLL DQDVDIFCAG LDMTFKQNPF
ETTMLLMSLA NEIIKKKAVC HICGEYNATL TYKFVQDDSE IDIGGKEKYI AVCRDCYNKV
ASKND
