ID B1YEK2_EXIS2 Unreviewed; 206 AA.
AC B1YEK2;
DT 20-MAY-2008, integrated into UniProtKB/TrEMBL.
DT 20-MAY-2008, sequence version 1.
DT 27-MAR-2024, entry version 97.
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=Exig_2722 {ECO:0000313|EMBL:ACB62170.1};
OS Exiguobacterium sibiricum (strain DSM 17290 / CIP 109462 / JCM 13490 /
OS 255-15).
OC Bacteria; Bacillota; Bacilli; Bacillales;
OC Bacillales Family XII. Incertae Sedis; Exiguobacterium.
OX NCBI_TaxID=262543 {ECO:0000313|EMBL:ACB62170.1, ECO:0000313|Proteomes:UP000001681};
RN [1] {ECO:0000313|EMBL:ACB62170.1, ECO:0000313|Proteomes:UP000001681}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 17290 / CIP 109462 / JCM 13490 / 255-15
RC {ECO:0000313|Proteomes:UP000001681};
RX PubMed=16489412; DOI=10.1007/s00792-005-0497-5;
RA Rodrigues D.F., Goris J., Vishnivetskaya T., Gilichinsky D.,
RA Thomashow M.F., Tiedje J.M.;
RT "Characterization of Exiguobacterium isolates from the Siberian permafrost.
RT Description of Exiguobacterium sibiricum sp. nov.";
RL Extremophiles 10:285-294(2006).
RN [2] {ECO:0000313|EMBL:ACB62170.1, ECO:0000313|Proteomes:UP000001681}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 17290 / CIP 109462 / JCM 13490 / 255-15
RC {ECO:0000313|Proteomes:UP000001681};
RX PubMed=19019206; DOI=10.1186/1471-2164-9-547;
RA Rodrigues D.F., Ivanova N., He Z., Huebner M., Zhou J., Tiedje J.M.;
RT "Architecture of thermal adaptation in an Exiguobacterium sibiricum strain
RT isolated from 3 million year old permafrost: a genome and transcriptome
RT approach.";
RL BMC Genomics 9:547-547(2008).
RN [3] {ECO:0000313|Proteomes:UP000001681}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 17290 / CIP 109462 / JCM 13490 / 255-15
RC {ECO:0000313|Proteomes:UP000001681};
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Bruce D., Goodwin L., Pitluck S., Kiss H., Chertkov O., Monk C.,
RA Brettin T., Detter J.C., Han C., Kuske C.R., Schmutz J., Larimer F.,
RA Land M., Hauser L., Kyrpides N., Mikhailova N., Vishnivetskaya T.,
RA Rodrigues D.F., Gilichinsky D., Tiedje J., Richardson P.;
RT "Complete sequence of chromosome of Exiguobacterium sibiricum 255-15.";
RL Submitted (APR-2008) 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; CP001022; ACB62170.1; -; Genomic_DNA.
DR AlphaFoldDB; B1YEK2; -.
DR SMR; B1YEK2; -.
DR STRING; 262543.Exig_2722; -.
DR KEGG; esi:Exig_2722; -.
DR eggNOG; COG1435; Bacteria.
DR HOGENOM; CLU_064400_3_0_9; -.
DR OrthoDB; 9781579at2; -.
DR Proteomes; UP000001681; 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:UP000001681};
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 206 AA; 23173 MW; 1DAB052F55AC41AF CRC64;
MMHVINQYGW IEVICGSMFS GKSEELIRRV RRAQYGKLPV QVFKPAIDDR YHEEHVVSHV
GNSVIAIPMA TSRDVYAAVA EETQIVAIDE VQFFDDEIVA VIEALAQDGK RVICAGLDQD
FRAEPFGKMP ELLARAEFVT KLQAICLSCG DPASRTQRLI DGKPANYNDP IILVGASESY
EPRCRHCHQV PGKPQPLQEW KKQQHN
//
