ID   KCY_THENN               Reviewed;         220 AA.
AC   B9K8E3;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   24-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 63.
DE   RecName: Full=Cytidylate kinase {ECO:0000255|HAMAP-Rule:MF_00238};
DE            Short=CK {ECO:0000255|HAMAP-Rule:MF_00238};
DE            EC=2.7.4.25 {ECO:0000255|HAMAP-Rule:MF_00238};
DE   AltName: Full=Cytidine monophosphate kinase {ECO:0000255|HAMAP-Rule:MF_00238};
DE            Short=CMP kinase {ECO:0000255|HAMAP-Rule:MF_00238};
GN   Name=cmk {ECO:0000255|HAMAP-Rule:MF_00238}; OrderedLocusNames=CTN_1050;
OS   Thermotoga neapolitana (strain ATCC 49049 / DSM 4359 / NBRC 107923 / NS-E).
OC   Bacteria; Thermotogae; Thermotogales; Thermotogaceae; Thermotoga.
OX   NCBI_TaxID=309803;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 49049 / DSM 4359 / NBRC 107923 / NS-E;
RA   Lim S.K., Kim J.S., Cha S.H., Park B.C., Lee D.S., Tae H.S., Kim S.-J.,
RA   Kim J.J., Park K.J., Lee S.Y.;
RT   "The genome sequence of the hyperthermophilic bacterium Thermotoga
RT   neapolitana.";
RL   Submitted (NOV-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + CMP = ADP + CDP; Xref=Rhea:RHEA:11600,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:58069, ChEBI:CHEBI:60377,
CC         ChEBI:CHEBI:456216; EC=2.7.4.25; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00238};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + dCMP = ADP + dCDP; Xref=Rhea:RHEA:25094,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:57566, ChEBI:CHEBI:58593,
CC         ChEBI:CHEBI:456216; EC=2.7.4.25; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00238};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00238}.
CC   -!- SIMILARITY: Belongs to the cytidylate kinase family. Type 1 subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_00238}.
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DR   EMBL; CP000916; ACM23226.1; -; Genomic_DNA.
DR   RefSeq; WP_015919542.1; NC_011978.1.
DR   AlphaFoldDB; B9K8E3; -.
DR   SMR; B9K8E3; -.
DR   STRING; 309803.CTN_1050; -.
DR   EnsemblBacteria; ACM23226; ACM23226; CTN_1050.
DR   KEGG; tna:CTN_1050; -.
DR   eggNOG; COG0283; Bacteria.
DR   HOGENOM; CLU_079959_0_2_0; -.
DR   OMA; RAITWWM; -.
DR   Proteomes; UP000000445; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0036430; F:CMP kinase activity; IEA:RHEA.
DR   GO; GO:0036431; F:dCMP kinase activity; IEA:RHEA.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   GO; GO:0006220; P:pyrimidine nucleotide metabolic process; IEA:UniProtKB-UniRule.
DR   CDD; cd02020; CMPK; 1.
DR   Gene3D; 3.40.50.300; -; 1.
DR   HAMAP; MF_00238; Cytidyl_kinase_type1; 1.
DR   InterPro; IPR003136; Cytidylate_kin.
DR   InterPro; IPR011994; Cytidylate_kinase_dom.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   Pfam; PF02224; Cytidylate_kin; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   TIGRFAMs; TIGR00017; cmk; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Cytoplasm; Kinase; Nucleotide-binding; Transferase.
FT   CHAIN           1..220
FT                   /note="Cytidylate kinase"
FT                   /id="PRO_1000125307"
FT   BINDING         9..17
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00238"
SQ   SEQUENCE   220 AA;  24662 MW;  0A5A62B011C26D0F CRC64;
     MGFQIAIDGP AASGKSTIAK LLAERLGFEH LNTGATYRAV AVYLKEKGLN PSSPREELEK
     ALKDVKVDYR DGRVFINGKD YTEKIQSPEA GILASDFAKL DLVREHLVRI QREICDDKNI
     VVEGRDIGTV VLPDAQLKIF LTASLEARIE RKLREYQKKG LNVSREEVER ELISRDTQDS
     SRKIAPLKPA EDAVVIDTTS MSVNEVLQKI LKLVEERMKA