ID   KCY_POLAQ               Reviewed;         220 AA.
AC   A4SW55;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   15-MAY-2007, sequence version 1.
DT   03-AUG-2022, entry version 78.
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=Pnuc_0499;
OS   Polynucleobacter asymbioticus (strain DSM 18221 / CIP 109841 /
OS   QLW-P1DMWA-1) (Polynucleobacter necessarius subsp. asymbioticus).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Burkholderiaceae; Polynucleobacter.
OX   NCBI_TaxID=312153;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 18221 / CIP 109841 / QLW-P1DMWA-1;
RX   PubMed=22675600; DOI=10.4056/sigs.2395367;
RA   Meincke L., Copeland A., Lapidus A., Lucas S., Berry K.W., Del Rio T.G.,
RA   Hammon N., Dalin E., Tice H., Pitluck S., Richardson P., Bruce D.,
RA   Goodwin L., Han C., Tapia R., Detter J.C., Schmutz J., Brettin T.,
RA   Larimer F., Land M., Hauser L., Kyrpides N.C., Ivanova N., Goker M.,
RA   Woyke T., Wu Q.L., Pockl M., Hahn M.W., Klenk H.P.;
RT   "Complete genome sequence of Polynucleobacter necessarius subsp.
RT   asymbioticus type strain (QLW-P1DMWA-1(T)).";
RL   Stand. Genomic Sci. 6:74-83(2012).
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; CP000655; ABP33719.1; -; Genomic_DNA.
DR   RefSeq; WP_011902344.1; NC_009379.1.
DR   AlphaFoldDB; A4SW55; -.
DR   SMR; A4SW55; -.
DR   STRING; 312153.Pnuc_0499; -.
DR   EnsemblBacteria; ABP33719; ABP33719; Pnuc_0499.
DR   GeneID; 31480853; -.
DR   KEGG; pnu:Pnuc_0499; -.
DR   eggNOG; COG0283; Bacteria.
DR   HOGENOM; CLU_079959_2_0_4; -.
DR   OMA; RAITWWM; -.
DR   Proteomes; UP000000231; 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_1000078343"
FT   BINDING         11..19
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00238"
SQ   SEQUENCE   220 AA;  23483 MW;  84B8DBB02648F098 CRC64;
     MSAIPVIAID GPTASGKGTV ASLVAEKLGF HYLDSGALYR LVALASEKHG IDVKNGPELG
     LLVPKLLISF KNSQIFLDDD EVTDAIRTES IGLRASALAV HPEVRSALVG LQRSFRQFPG
     LVADGRDMAS VIFPDAVLKV FLTATAAARA ERRYKQLIAK GISAKLSDLL QDLQERDARD
     SSRGTAPLLV ADGAKVLETS DLSIDQAVKT VLDWYQSAIA