ID   KCY_VIBCH               Reviewed;         225 AA.
AC   Q9KQT2;
DT   26-JUL-2002, integrated into UniProtKB/Swiss-Prot.
DT   26-JUL-2002, sequence version 2.
DT   03-AUG-2022, entry version 115.
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=VC_1916;
OS   Vibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC   Vibrio.
OX   NCBI_TaxID=243277;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 39315 / El Tor Inaba N16961;
RX   PubMed=10952301; DOI=10.1038/35020000;
RA   Heidelberg J.F., Eisen J.A., Nelson W.C., Clayton R.A., Gwinn M.L.,
RA   Dodson R.J., Haft D.H., Hickey E.K., Peterson J.D., Umayam L.A., Gill S.R.,
RA   Nelson K.E., Read T.D., Tettelin H., Richardson D.L., Ermolaeva M.D.,
RA   Vamathevan J.J., Bass S., Qin H., Dragoi I., Sellers P., McDonald L.A.,
RA   Utterback T.R., Fleischmann R.D., Nierman W.C., White O., Salzberg S.L.,
RA   Smith H.O., Colwell R.R., Mekalanos J.J., Venter J.C., Fraser C.M.;
RT   "DNA sequence of both chromosomes of the cholera pathogen Vibrio
RT   cholerae.";
RL   Nature 406:477-483(2000).
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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAF95064.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; AE003852; AAF95064.1; ALT_INIT; Genomic_DNA.
DR   PIR; C82141; C82141.
DR   RefSeq; NP_231550.1; NC_002505.1.
DR   RefSeq; WP_000094752.1; NZ_LT906614.1.
DR   AlphaFoldDB; Q9KQT2; -.
DR   SMR; Q9KQT2; -.
DR   STRING; 243277.VC_1916; -.
DR   DNASU; 2613545; -.
DR   EnsemblBacteria; AAF95064; AAF95064; VC_1916.
DR   GeneID; 57740548; -.
DR   KEGG; vch:VC_1916; -.
DR   PATRIC; fig|243277.26.peg.1833; -.
DR   eggNOG; COG0283; Bacteria.
DR   HOGENOM; CLU_079959_0_2_6; -.
DR   OMA; RAITWWM; -.
DR   Proteomes; UP000000584; Chromosome 1.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0036430; F:CMP kinase activity; IEA:RHEA.
DR   GO; GO:0004127; F:cytidylate kinase activity; IBA:GO_Central.
DR   GO; GO:0036431; F:dCMP kinase activity; IEA:RHEA.
DR   GO; GO:0015949; P:nucleobase-containing small molecule interconversion; IBA:GO_Central.
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; Reference proteome;
KW   Transferase.
FT   CHAIN           1..225
FT                   /note="Cytidylate kinase"
FT                   /id="PRO_0000131997"
FT   BINDING         12..20
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00238"
SQ   SEQUENCE   225 AA;  24467 MW;  A64A4B35F24764A4 CRC64;
     MSSHTPVVTV DGPSGAGKGT LCMLLAKKLG FQLLDSGAIY RVLALAALHH GVDLESEDAL
     VPLATHLDVQ FIAEGDLVKV ILEGEDVSRE LRKEETGMAA SKVAALPRVR EALLRRQRAF
     ASGIGLVADG RDMGTVVFPA AEAKIFLDAS AEERARRRFK QLQLKGLDVK FDALLSEIQE
     RDDRDRNRAV APLRPAEDAL VLDSTTLTID EVVEQALQYI ESKLV