ID   E6TXD2_EVAC2            Unreviewed;       207 AA.
AC   E6TXD2;
DT   08-MAR-2011, integrated into UniProtKB/TrEMBL.
DT   08-MAR-2011, sequence version 1.
DT   27-MAR-2024, entry version 60.
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=Bcell_4099 {ECO:0000313|EMBL:ADU32327.1};
OS   Evansella cellulosilytica (strain ATCC 21833 / DSM 2522 / FERM P-1141 / JCM
OS   9156 / N-4) (Bacillus cellulosilyticus).
OC   Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Evansella.
OX   NCBI_TaxID=649639 {ECO:0000313|EMBL:ADU32327.1, ECO:0000313|Proteomes:UP000001401};
RN   [1] {ECO:0000313|EMBL:ADU32327.1, ECO:0000313|Proteomes:UP000001401}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 21833 / DSM 2522 / FERM P-1141 / JCM 9156 / N-4
RC   {ECO:0000313|Proteomes:UP000001401};
RA   Lucas S., Copeland A., Lapidus A., Cheng J.-F., Bruce D., Goodwin L.,
RA   Pitluck S., Chertkov O., Detter J.C., Han C., Tapia R., Land M., Hauser L.,
RA   Jeffries C., Kyrpides N., Ivanova N., Mikhailova N., Brumm P., Mead D.,
RA   Woyke T.;
RT   "Complete sequence of Bacillus cellulosilyticus DSM 2522.";
RL   Submitted (DEC-2010) 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; CP002394; ADU32327.1; -; Genomic_DNA.
DR   AlphaFoldDB; E6TXD2; -.
DR   STRING; 649639.Bcell_4099; -.
DR   KEGG; bco:Bcell_4099; -.
DR   eggNOG; COG1435; Bacteria.
DR   HOGENOM; CLU_064400_3_0_9; -.
DR   Proteomes; UP000001401; 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}; Reference proteome {ECO:0000313|Proteomes:UP000001401};
KW   Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW   Rule:MF_00124}; Zinc {ECO:0000256|HAMAP-Rule:MF_00124}.
FT   ACT_SITE        90
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00124,
FT                   ECO:0000256|PIRSR:PIRSR035805-1"
FT   BINDING         16..23
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00124"
FT   BINDING         89..92
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         149
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"
FT   BINDING         187
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00124"
SQ   SEQUENCE   207 AA;  23018 MW;  E1602D9916D07E55 CRC64;
     MMHLTRREGW LEVVCGSMFS GKSEELIRRV RRAYYGRQKV QVFKPEIDNR YSEKEVVSHN
     GTKVYALPVK GAAMILELLE KDTQVVAIDE VQFFDLGVVE VVQELADEGI RVIVAGLDQD
     FRGEPFGCMP SLLALAETVT KLQAICLSCG SPASRTQRLI NGEPASYDDP IILVGASESY
     EPRCRHCHEV PGHPALNKKE SALVSKN
//