ID   L0MV13_9ENTR            Unreviewed;       205 AA.
AC   L0MV13;
DT   06-MAR-2013, integrated into UniProtKB/TrEMBL.
DT   06-MAR-2013, sequence version 1.
DT   27-MAR-2024, entry version 43.
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:AGC03710.1};
GN   ORFNames=BCHRO640_459 {ECO:0000313|EMBL:AGC03710.1};
OS   Candidatus Blochmannia chromaiodes str. 640.
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; ant endosymbionts; Blochmannia.
OX   NCBI_TaxID=1240471 {ECO:0000313|EMBL:AGC03710.1, ECO:0000313|Proteomes:UP000011067};
RN   [1] {ECO:0000313|EMBL:AGC03710.1, ECO:0000313|Proteomes:UP000011067}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=640 {ECO:0000313|EMBL:AGC03710.1,
RC   ECO:0000313|Proteomes:UP000011067};
RX   PubMed=23475937; DOI=10.1093/gbe/evt033;
RA   Williams L.E., Wernegreen J.J.;
RT   "Sequence context of indel mutations and their effect on protein evolution
RT   in a bacterial endosymbiont.";
RL   Genome Biol. Evol. 5:599-605(2013).
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; CP003903; AGC03710.1; -; Genomic_DNA.
DR   RefSeq; WP_015344687.1; NC_020075.1.
DR   AlphaFoldDB; L0MV13; -.
DR   KEGG; bchr:BCHRO640_459; -.
DR   PATRIC; fig|1240471.4.peg.429; -.
DR   HOGENOM; CLU_064400_2_1_6; -.
DR   Proteomes; UP000011067; 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   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.
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        89
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00124,
FT                   ECO:0000256|PIRSR:PIRSR035805-1"
FT   BINDING         9..16
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00124"
FT   BINDING         88..91
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00124"
FT   BINDING         146
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00124"
FT   BINDING         148
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00124"
FT   BINDING         183
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00124"
FT   BINDING         186
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00124"
SQ   SEQUENCE   205 AA;  23854 MW;  4A03F5A3E4AB1F7E CRC64;
     MAQLYFYYSA MNAGKTTALL QSSYNYQERG MRTVLYTADM NSRDNRYKQI KSRIGLYASA
     RVFNIKTNFF DQVVTMHQKD IIHCVLVDEC HFLNRNQVID LSKIVDVLNI PVLCYGLRTD
     FRSDLFSGSL WLLAWADKLI ELKTICYCGR KANRVLRIDD QGLIIRDGNQ ILVGGNNRYV
     SVCRKHFVEQ LESPLSLTKR VYKNR
//