ID   KTHY_CHLCH              Reviewed;         222 AA.
AC   Q3AS37;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   22-NOV-2005, sequence version 1.
DT   03-AUG-2022, entry version 88.
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}; OrderedLocusNames=Cag_0925;
OS   Chlorobium chlorochromatii (strain CaD3).
OC   Bacteria; Chlorobi; Chlorobia; Chlorobiales; Chlorobiaceae;
OC   Chlorobium/Pelodictyon group; Chlorobium.
OX   NCBI_TaxID=340177;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CaD3;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA   Hammon N., Israni S., Pitluck S., Bryant D., Schmutz J., Larimer F.,
RA   Land M., Kyrpides N., Ivanova N., Richardson P.;
RT   "Complete sequence of Chlorobium chlorochromatii CaD3.";
RL   Submitted (AUG-2005) to the EMBL/GenBank/DDBJ databases.
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; CP000108; ABB28188.1; -; Genomic_DNA.
DR   RefSeq; WP_011361956.1; NC_007514.1.
DR   AlphaFoldDB; Q3AS37; -.
DR   SMR; Q3AS37; -.
DR   STRING; 340177.Cag_0925; -.
DR   EnsemblBacteria; ABB28188; ABB28188; Cag_0925.
DR   KEGG; cch:Cag_0925; -.
DR   eggNOG; COG0125; Bacteria.
DR   HOGENOM; CLU_049131_0_2_10; -.
DR   OMA; VMTREPG; -.
DR   OrthoDB; 1585072at2; -.
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   Transferase.
FT   CHAIN           1..222
FT                   /note="Thymidylate kinase"
FT                   /id="PRO_1000023173"
FT   BINDING         7..14
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00165"
SQ   SEQUENCE   222 AA;  24443 MW;  DD507E8E1109160E CRC64;
     MLITFEGIDG AGKSTQVAKL VAYLKQQSTP LLSLREPGGT PTAESIRSLL LDNRKSITPI
     AELLLFSASR AELVETLIRP ALAEGKTVIL DRFFDSTTAY QGHGRGISLE QLHSIIALST
     GDLLPDVTFY LDLEPEEALR RAFSRSGLPL DFAAQSNESD RMEQAGIAFY HKVRNGYLTL
     MQQHPSRFVA LDATQPPDTL HQHIIAEVET RLKLHISPLV AP