ID   G9A8Z9_RHIFH            Unreviewed;       195 AA.
AC   G9A8Z9;
DT   22-FEB-2012, integrated into UniProtKB/TrEMBL.
DT   22-FEB-2012, sequence version 1.
DT   27-MAR-2024, entry version 52.
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:CCE96729.1};
GN   OrderedLocusNames=SFHH103_02234 {ECO:0000313|EMBL:CCE96729.1};
OS   Rhizobium fredii (strain HH103) (Sinorhizobium fredii).
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC   Rhizobiaceae; Sinorhizobium/Ensifer group; Sinorhizobium.
OX   NCBI_TaxID=1117943 {ECO:0000313|EMBL:CCE96729.1, ECO:0000313|Proteomes:UP000007735};
RN   [1] {ECO:0000313|EMBL:CCE96729.1, ECO:0000313|Proteomes:UP000007735}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=HH103 {ECO:0000313|EMBL:CCE96729.1,
RC   ECO:0000313|Proteomes:UP000007735};
RX   PubMed=22374952; DOI=10.1128/JB.06729-11;
RA   Weidner S., Becker A., Bonilla I., Jaenicke S., Lloret J., Margaret I.,
RA   Puhler A., Ruiz-Sainz J.E., Schneiker-Bekel S., Szczepanowski R.,
RA   Vinardell J.M., Zehner S., Gottfert M.;
RT   "Genome sequence of the soybean symbiont Sinorhizobium fredii HH103.";
RL   J. Bacteriol. 194:1617-1618(2012).
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; HE616890; CCE96729.1; -; Genomic_DNA.
DR   RefSeq; WP_014329169.1; NC_016812.1.
DR   AlphaFoldDB; G9A8Z9; -.
DR   STRING; 1117943.SFHH103_02234; -.
DR   KEGG; sfh:SFHH103_02234; -.
DR   PATRIC; fig|380.5.peg.2374; -.
DR   eggNOG; COG1435; Bacteria.
DR   HOGENOM; CLU_064400_2_1_5; -.
DR   Proteomes; UP000007735; 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        90
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         89..92
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00124"
FT   BINDING         147
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   195 AA;  21666 MW;  4830F7F2C91C8F40 CRC64;
     MAKLYFSYAT MNAGKSTLLL QAAYNYQERG MRVVMLIAAF DDRAGTGRIA SRIGLKSDGI
     PFHGGDDLYG LIERLNDDGS GEIACVFVDE AQFLDEDQVW QLARVADRLG IPVMAYGLRT
     DFQGKLFPGS MALLALADEL REVRTICHCG RKATMVVRLD GDGNVVREGA QVDVGGNEKY
     VSYCRRHWED RMRDG
//