ID   KTHY_STRMU              Reviewed;         212 AA.
AC   Q8DSU6;
DT   26-APR-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2003, sequence version 1.
DT   03-AUG-2022, entry version 98.
DE   RecName: Full=Thymidylate kinase {ECO:0000255|HAMAP-Rule:MF_00165};
DE            EC=2.7.4.9 {ECO:0000255|HAMAP-Rule:MF_00165};
DE   AltName: Full=dTMP kinase {ECO:0000255|HAMAP-Rule:MF_00165};
GN   Name=tmk {ECO:0000255|HAMAP-Rule:MF_00165}; Synonyms=kthY;
GN   OrderedLocusNames=SMU_1663;
OS   Streptococcus mutans serotype c (strain ATCC 700610 / UA159).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=210007;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700610 / UA159;
RX   PubMed=12397186; DOI=10.1073/pnas.172501299;
RA   Ajdic D.J., McShan W.M., McLaughlin R.E., Savic G., Chang J., Carson M.B.,
RA   Primeaux C., Tian R., Kenton S., Jia H.G., Lin S.P., Qian Y., Li S.,
RA   Zhu H., Najar F.Z., Lai H., White J., Roe B.A., Ferretti J.J.;
RT   "Genome sequence of Streptococcus mutans UA159, a cariogenic dental
RT   pathogen.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:14434-14439(2002).
CC   -!- FUNCTION: Phosphorylation of dTMP to form dTDP in both de novo and
CC       salvage pathways of dTTP synthesis. {ECO:0000255|HAMAP-Rule:MF_00165}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + dTMP = ADP + dTDP; Xref=Rhea:RHEA:13517,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:58369, ChEBI:CHEBI:63528,
CC         ChEBI:CHEBI:456216; EC=2.7.4.9; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00165};
CC   -!- SIMILARITY: Belongs to the thymidylate kinase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00165}.
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DR   EMBL; AE014133; AAN59302.1; -; Genomic_DNA.
DR   RefSeq; NP_721996.1; NC_004350.2.
DR   RefSeq; WP_002262681.1; NC_004350.2.
DR   AlphaFoldDB; Q8DSU6; -.
DR   SMR; Q8DSU6; -.
DR   STRING; 210007.SMU_1663; -.
DR   PRIDE; Q8DSU6; -.
DR   EnsemblBacteria; AAN59302; AAN59302; SMU_1663.
DR   KEGG; smu:SMU_1663; -.
DR   PATRIC; fig|210007.7.peg.1485; -.
DR   eggNOG; COG0125; Bacteria.
DR   HOGENOM; CLU_049131_0_2_9; -.
DR   OMA; VMTREPG; -.
DR   PhylomeDB; Q8DSU6; -.
DR   Proteomes; UP000002512; Chromosome.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004798; F:thymidylate kinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006233; P:dTDP biosynthetic process; IEA:InterPro.
DR   GO; GO:0006235; P:dTTP biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   Gene3D; 3.40.50.300; -; 1.
DR   HAMAP; MF_00165; Thymidylate_kinase; 1.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   InterPro; IPR039430; Thymidylate_kin-like_dom.
DR   InterPro; IPR018095; Thymidylate_kin_CS.
DR   InterPro; IPR018094; Thymidylate_kinase.
DR   Pfam; PF02223; Thymidylate_kin; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   TIGRFAMs; TIGR00041; DTMP_kinase; 1.
DR   PROSITE; PS01331; THYMIDYLATE_KINASE; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Kinase; Nucleotide biosynthesis; Nucleotide-binding;
KW   Reference proteome; Transferase.
FT   CHAIN           1..212
FT                   /note="Thymidylate kinase"
FT                   /id="PRO_0000155348"
FT   BINDING         11..18
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00165"
SQ   SEQUENCE   212 AA;  23956 MW;  BDB723BA727411CF CRC64;
     MTKGIFISFE GPDGAGKTTV LEAILPQLKK LVAKEVITTR EPGGVAIAES IRDLILDVNH
     TNMDDKTELL LYIAARRQHL VERILPELKK GNLVLVDRFI DSSVAYQGYG RGLDADAVTW
     LNNFATDGLQ PDLTLYFDVD SQIGLTRIEK NKEREVNRLD LEQLDMHRRV RSGYLKLAQE
     NPDRIVTIDA ARPLEEVITD ALFIIKQRCL EK