KITH_PSET1
ID KITH_PSET1 Reviewed; 194 AA.
AC Q3IBU5;
DT 27-JUN-2006, integrated into UniProtKB/Swiss-Prot.
DT 08-NOV-2005, sequence version 1.
DT 03-AUG-2022, entry version 87.
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=PSHAb0294;
OS Pseudoalteromonas translucida (strain TAC 125).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC Pseudoalteromonadaceae; Pseudoalteromonas.
OX NCBI_TaxID=326442;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=TAC 125;
RX PubMed=16169927; DOI=10.1101/gr.4126905;
RA Medigue C., Krin E., Pascal G., Barbe V., Bernsel A., Bertin P.N.,
RA Cheung F., Cruveiller S., D'Amico S., Duilio A., Fang G., Feller G., Ho C.,
RA Mangenot S., Marino G., Nilsson J., Parrilli E., Rocha E.P.C., Rouy Z.,
RA Sekowska A., Tutino M.L., Vallenet D., von Heijne G., Danchin A.;
RT "Coping with cold: the genome of the versatile marine Antarctica bacterium
RT Pseudoalteromonas haloplanktis TAC125.";
RL Genome Res. 15:1325-1335(2005).
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; CR954247; CAI89335.1; -; Genomic_DNA.
DR RefSeq; WP_011329924.1; NC_007482.1.
DR AlphaFoldDB; Q3IBU5; -.
DR SMR; Q3IBU5; -.
DR STRING; 326442.PSHAb0294; -.
DR EnsemblBacteria; CAI89335; CAI89335; PSHAb0294.
DR KEGG; pha:PSHAb0294; -.
DR PATRIC; fig|326442.8.peg.3203; -.
DR eggNOG; COG1435; Bacteria.
DR HOGENOM; CLU_064400_2_1_6; -.
DR OMA; ENTVNHK; -.
DR OrthoDB; 1279539at2; -.
DR BioCyc; PHAL326442:PSHA_RS16265-MON; -.
DR Proteomes; UP000006843; Chromosome II.
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 PANTHER; PTHR11441; PTHR11441; 1.
DR Pfam; PF00265; TK; 1.
DR PIRSF; PIRSF035805; TK_cell; 1.
DR SUPFAM; SSF52540; SSF52540; 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..194
FT /note="Thymidine kinase"
FT /id="PRO_0000242799"
FT ACT_SITE 88
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00124"
FT BINDING 9..16
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00124"
FT BINDING 87..90
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 147
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00124"
FT BINDING 182
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00124"
FT BINDING 185
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00124"
SQ SEQUENCE 194 AA; 21730 MW; 6850A7D3274A7AB9 CRC64;
MAQLYFYYSA MNAGKSTTLL QSAFNYQERG MEPVILTAAI DDRAGVGKVS SRIGLQADAH
IFDENKDVFA LIQSLNQDKK RHCVLVDECQ FLSKEQVMQL TDVVDELGIP VLCYGLRNDF
RGELFTGSQY LLAWADKLVE LKTVCHCGRK ANHVLRTDEN GDAIADGNQV EIGGNNRYES
VCRKHYKAAL NMGR
