ID   KCY_STRS2               Reviewed;         225 AA.
AC   A4W254;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   29-MAY-2007, sequence version 1.
DT   03-AUG-2022, entry version 74.
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=SSU98_1285;
OS   Streptococcus suis (strain 98HAH33).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=391296;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=98HAH33;
RX   PubMed=17375201; DOI=10.1371/journal.pone.0000315;
RA   Chen C., Tang J., Dong W., Wang C., Feng Y., Wang J., Zheng F., Pan X.,
RA   Liu D., Li M., Song Y., Zhu X., Sun H., Feng T., Guo Z., Ju A., Ge J.,
RA   Dong Y., Sun W., Jiang Y., Wang J., Yan J., Yang H., Wang X., Gao G.F.,
RA   Yang R., Wang J., Yu J.;
RT   "A glimpse of streptococcal toxic shock syndrome from comparative genomics
RT   of S. suis 2 Chinese isolates.";
RL   PLoS ONE 2:E315-E315(2007).
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; CP000408; ABP92443.1; -; Genomic_DNA.
DR   AlphaFoldDB; A4W254; -.
DR   SMR; A4W254; -.
DR   KEGG; ssv:SSU98_1285; -.
DR   HOGENOM; CLU_079959_0_2_9; -.
DR   OMA; RAITWWM; -.
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..225
FT                   /note="Cytidylate kinase"
FT                   /id="PRO_1000048301"
FT   BINDING         10..18
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00238"
SQ   SEQUENCE   225 AA;  24717 MW;  4C418BB5D2BC4613 CRC64;
     MKSIQIAIDG PASSGKSTVA KIIAKNLGYT YLDTGAMYRS ATYLALTNGI EVTDQNRIVD
     LLAQYPIRFG RDENGQQLVF VGDEDVTLPI RDNQVTNNVS AVAALPLVRE ELVRLQQDIA
     QAGGIVMDGR DIGTVVLPQA ELKIFLVASV EERALRRFKE NTERGIETDL ESLKEEIAAR
     DYKDSNREVS PLKAADDAIT FDTTGVSIEG VVKFISEKAK EILDR