ID   KTHY_RICB8              Reviewed;         206 AA.
AC   A8GXQ1;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   13-NOV-2007, sequence version 1.
DT   03-AUG-2022, entry version 72.
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=A1I_06675;
OS   Rickettsia bellii (strain OSU 85-389).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rickettsiales;
OC   Rickettsiaceae; Rickettsieae; Rickettsia; belli group.
OX   NCBI_TaxID=391896;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=OSU 85-389;
RA   Madan A., Lee H., Madan A., Yoon J.-G., Ryu G.-Y., Dasch G., Ereemeva M.;
RT   "Complete genome sequencing of Rickettsia bellii.";
RL   Submitted (SEP-2007) 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; CP000849; ABV79651.1; -; Genomic_DNA.
DR   RefSeq; WP_012152168.1; NC_009883.1.
DR   AlphaFoldDB; A8GXQ1; -.
DR   SMR; A8GXQ1; -.
DR   KEGG; rbo:A1I_06675; -.
DR   HOGENOM; CLU_049131_0_2_5; -.
DR   OMA; VMTREPG; -.
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..206
FT                   /note="Thymidylate kinase"
FT                   /id="PRO_1000023269"
FT   BINDING         14..21
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00165"
SQ   SEQUENCE   206 AA;  23472 MW;  0111CAE0FD2D0F17 CRC64;
     MSKLKQGTFI TFEGGEGIGK STQCQMLYEY LKSQNIPVIL TREVGGTNVA EKMREILVHT
     DLLPMSELLQ AMAARYDHMV KKIIPALQAG NIVICDRFID STACYQGLEL ENGIELVYNL
     HKDLMPPLMP DLTFFIDVES SIAIERINSR NMSNKFDVRG LDFYNKIYDC FKGLSKKFPE
     RIVTIKASDL NPEQVHELIK KHLNLI