ID   G8T9S6_NIAKG            Unreviewed;       193 AA.
AC   G8T9S6;
DT   22-FEB-2012, integrated into UniProtKB/TrEMBL.
DT   22-FEB-2012, sequence version 1.
DT   27-MAR-2024, entry version 53.
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=Niako_5031 {ECO:0000313|EMBL:AEW01270.1};
OS   Niastella koreensis (strain DSM 17620 / KACC 11465 / NBRC 106392 /
OS   GR20-10).
OC   Bacteria; Bacteroidota; Chitinophagia; Chitinophagales; Chitinophagaceae;
OC   Niastella.
OX   NCBI_TaxID=700598 {ECO:0000313|EMBL:AEW01270.1, ECO:0000313|Proteomes:UP000005438};
RN   [1] {ECO:0000313|EMBL:AEW01270.1, ECO:0000313|Proteomes:UP000005438}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 17620 / KACC 11465 / NBRC 106392 / GR20-10
RC   {ECO:0000313|Proteomes:UP000005438};
RG   US DOE Joint Genome Institute (JGI-PGF);
RA   Lucas S., Han J., Lapidus A., Bruce D., Goodwin L., Pitluck S., Peters L.,
RA   Kyrpides N., Mavromatis K., Ivanova N., Mikhailova N., Davenport K.,
RA   Saunders E., Detter J.C., Tapia R., Han C., Land M., Hauser L.,
RA   Markowitz V., Cheng J.-F., Hugenholtz P., Woyke T., Wu D., Tindall B.,
RA   Pomrenke H., Brambilla E., Klenk H.-P., Eisen J.A.;
RT   "The complete genome of Niastella koreensis GR20-10.";
RL   Submitted (DEC-2011) 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: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}.
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DR   EMBL; CP003178; AEW01270.1; -; Genomic_DNA.
DR   RefSeq; WP_014221181.1; NC_016609.1.
DR   AlphaFoldDB; G8T9S6; -.
DR   STRING; 700598.Niako_5031; -.
DR   KEGG; nko:Niako_5031; -.
DR   PATRIC; fig|700598.3.peg.5142; -.
DR   eggNOG; COG1435; Bacteria.
DR   HOGENOM; CLU_064400_3_0_10; -.
DR   OrthoDB; 9781579at2; -.
DR   Proteomes; UP000005438; 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        93
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00124,
FT                   ECO:0000256|PIRSR:PIRSR035805-1"
FT   BINDING         20..27
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00124"
FT   BINDING         92..95
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00124"
FT   BINDING         149
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
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         181
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00124"
FT   BINDING         184
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00124"
SQ   SEQUENCE   193 AA;  21842 MW;  B48AF196D0EAD18B CRC64;
     MFIEPNISGE RRGSIEVICG SMFSGKTEEL IRRLKRAKIA NLRVEIFKPK IDVRYDVHNI
     VSHDENAILS TPIDNSQTIL LLHNEADVIG IDEAQFFDDQ LPDVCDQLAL RGHRVIVAGL
     DMDYTGKPFG QIPFLLSKAD YITKLHAICV KCGHIANYSF RKKADKTQVL LGEKDVYEPR
     CRKCYYEGAV ENG
//