ID   KCY_SACS2               Reviewed;         189 AA.
AC   Q9UX81;
DT   01-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-2000, sequence version 1.
DT   03-AUG-2022, entry version 118.
DE   RecName: Full=Cytidylate kinase;
DE            Short=CK;
DE            EC=2.7.4.25;
DE   AltName: Full=Cytidine monophosphate kinase;
DE            Short=CMP kinase;
GN   Name=cmk; OrderedLocusNames=SSO0692; ORFNames=C10_038;
OS   Saccharolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2)
OS   (Sulfolobus solfataricus).
OC   Archaea; Crenarchaeota; Thermoprotei; Sulfolobales; Sulfolobaceae;
OC   Saccharolobus.
OX   NCBI_TaxID=273057;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 35092 / DSM 1617 / JCM 11322 / P2;
RX   PubMed=10701121; DOI=10.1139/g99-108;
RA   Charlebois R.L., Singh R.K., Chan-Weiher C.C.-Y., Allard G., Chow C.,
RA   Confalonieri F., Curtis B., Duguet M., Erauso G., Faguy D., Gaasterland T.,
RA   Garrett R.A., Gordon P., Jeffries A.C., Kozera C., Kushwaha N., Lafleur E.,
RA   Medina N., Peng X., Penny S.L., She Q., St Jean A., van der Oost J.,
RA   Young F., Zivanovic Y., Doolittle W.F., Ragan M.A., Sensen C.W.;
RT   "Gene content and organization of a 281-kbp contig from the genome of the
RT   extremely thermophilic archaeon, Sulfolobus solfataricus P2.";
RL   Genome 43:116-136(2000).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 35092 / DSM 1617 / JCM 11322 / P2;
RX   PubMed=11427726; DOI=10.1073/pnas.141222098;
RA   She Q., Singh R.K., Confalonieri F., Zivanovic Y., Allard G., Awayez M.J.,
RA   Chan-Weiher C.C.-Y., Clausen I.G., Curtis B.A., De Moors A., Erauso G.,
RA   Fletcher C., Gordon P.M.K., Heikamp-de Jong I., Jeffries A.C., Kozera C.J.,
RA   Medina N., Peng X., Thi-Ngoc H.P., Redder P., Schenk M.E., Theriault C.,
RA   Tolstrup N., Charlebois R.L., Doolittle W.F., Duguet M., Gaasterland T.,
RA   Garrett R.A., Ragan M.A., Sensen C.W., Van der Oost J.;
RT   "The complete genome of the crenarchaeon Sulfolobus solfataricus P2.";
RL   Proc. Natl. Acad. Sci. U.S.A. 98:7835-7840(2001).
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;
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;
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the cytidylate kinase family. Type 2 subfamily.
CC       {ECO:0000305}.
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DR   EMBL; Y18930; CAB57611.1; -; Genomic_DNA.
DR   EMBL; AE006641; AAK40992.1; -; Genomic_DNA.
DR   PIR; A99217; A99217.
DR   RefSeq; WP_009991241.1; NC_002754.1.
DR   AlphaFoldDB; Q9UX81; -.
DR   SMR; Q9UX81; -.
DR   STRING; 273057.SSO0692; -.
DR   EnsemblBacteria; AAK40992; AAK40992; SSO0692.
DR   GeneID; 44129690; -.
DR   KEGG; sso:SSO0692; -.
DR   PATRIC; fig|273057.12.peg.692; -.
DR   eggNOG; arCOG01037; Archaea.
DR   HOGENOM; CLU_079959_1_0_2; -.
DR   InParanoid; Q9UX81; -.
DR   OMA; FIFRDMA; -.
DR   PhylomeDB; Q9UX81; -.
DR   Proteomes; UP000001974; 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_00239; Cytidyl_kinase_type2; 1.
DR   InterPro; IPR011892; Cyt_kin_arch.
DR   InterPro; IPR011994; Cytidylate_kinase_dom.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   TIGRFAMs; TIGR02173; cyt_kin_arch; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Cytoplasm; Kinase; Nucleotide-binding; Reference proteome;
KW   Transferase.
FT   CHAIN           1..189
FT                   /note="Cytidylate kinase"
FT                   /id="PRO_0000132024"
FT   BINDING         7..15
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   189 AA;  21792 MW;  5E5C0FB3D71C140D CRC64;
     MIIIISGPPG SGKTSVAIKL ANELSYKFIS AGKIFRDIAQ SMGLDIINLN RVAESNFDID
     KMVDKKIHEY VLRERNLIVE SHIAGWIFRE YTDVAIYLWA PLKIRANRIA IRDKISYVEA
     VSQIIRREYM HYKRFNKFYG IDINDLSVFD LVINTSNIDI NNIVKLILDY LSSVSHNSQP
     LKEKNINDK