ID   KCY_STRP6               Reviewed;         226 AA.
AC   Q5XCU3; P82563;
DT   15-FEB-2005, integrated into UniProtKB/Swiss-Prot.
DT   23-NOV-2004, sequence version 1.
DT   03-AUG-2022, entry version 92.
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=M6_Spy0635;
OS   Streptococcus pyogenes serotype M6 (strain ATCC BAA-946 / MGAS10394).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=286636;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-946 / MGAS10394;
RX   PubMed=15272401; DOI=10.1086/422697;
RA   Banks D.J., Porcella S.F., Barbian K.D., Beres S.B., Philips L.E.,
RA   Voyich J.M., DeLeo F.R., Martin J.M., Somerville G.A., Musser J.M.;
RT   "Progress toward characterization of the group A Streptococcus metagenome:
RT   complete genome sequence of a macrolide-resistant serotype M6 strain.";
RL   J. Infect. Dis. 190:727-738(2004).
RN   [2]
RP   PROTEIN SEQUENCE OF 92-109; 131-143 AND 165-180, AND MASS SPECTROMETRY.
RC   STRAIN=JRS4 / Serotype M6;
RA   Hogan D.A., Du P., Stevenson T.I., Whitton M., Kilby G.W., Rogers J.,
RA   VanBogelen R.A.;
RT   "Two-dimensional gel electrophoresis map of Streptococcus pyogenes
RT   proteins.";
RL   Submitted (MAY-2000) to UniProtKB.
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   -!- MASS SPECTROMETRY: Mass=25034.59; Method=Electrospray;
CC       Evidence={ECO:0000269|Ref.2};
CC   -!- SIMILARITY: Belongs to the cytidylate kinase family. Type 1 subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_00238}.
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DR   EMBL; CP000003; AAT86770.1; -; Genomic_DNA.
DR   RefSeq; WP_011184377.1; NC_006086.1.
DR   AlphaFoldDB; Q5XCU3; -.
DR   SMR; Q5XCU3; -.
DR   EnsemblBacteria; AAT86770; AAT86770; M6_Spy0635.
DR   KEGG; spa:M6_Spy0635; -.
DR   HOGENOM; CLU_079959_0_2_9; -.
DR   OMA; RAITWWM; -.
DR   Proteomes; UP000001167; 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   1: Evidence at protein level;
KW   ATP-binding; Cytoplasm; Direct protein sequencing; Kinase;
KW   Nucleotide-binding; Transferase.
FT   CHAIN           1..226
FT                   /note="Cytidylate kinase"
FT                   /id="PRO_0000131989"
FT   BINDING         10..18
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00238"
FT   CONFLICT        102
FT                   /note="V -> I (in Ref. 2; AA sequence)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   226 AA;  25047 MW;  352CA3D0F1CA486F CRC64;
     MKAIKIAIDG PASSGKSTVA KIIAKNLGYT YLDTGAMYRS ATYIALTHGY TDKEVALILE
     ELEKNPISFK KAKDGSQLVF LGDEDVTLVI RQNDVTNNVS WVSALPEIRE ELVHQQRRIA
     QAGGIIMDGR DIGTVVLPDA ELKIFLVASV EERAERRYKE NLEKGIESDF ETLKEEIAAR
     DYKDSHRKVS PLKAAEDALI FDTTGVSIDG VVQFIQEKAE KIVDMS