ID   DCD_PARUW               Reviewed;         188 AA.
AC   Q6MCL7;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   27-MAR-2024, entry version 98.
DE   RecName: Full=dCTP deaminase {ECO:0000255|HAMAP-Rule:MF_00146};
DE            EC=3.5.4.13 {ECO:0000255|HAMAP-Rule:MF_00146};
DE   AltName: Full=Deoxycytidine triphosphate deaminase {ECO:0000255|HAMAP-Rule:MF_00146};
GN   Name=dcd {ECO:0000255|HAMAP-Rule:MF_00146}; OrderedLocusNames=pc0958;
OS   Protochlamydia amoebophila (strain UWE25).
OC   Bacteria; Chlamydiota; Chlamydiia; Parachlamydiales; Parachlamydiaceae;
OC   Protochlamydia.
OX   NCBI_TaxID=264201;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=UWE25;
RX   PubMed=15073324; DOI=10.1126/science.1096330;
RA   Horn M., Collingro A., Schmitz-Esser S., Beier C.L., Purkhold U.,
RA   Fartmann B., Brandt P., Nyakatura G.J., Droege M., Frishman D., Rattei T.,
RA   Mewes H.-W., Wagner M.;
RT   "Illuminating the evolutionary history of chlamydiae.";
RL   Science 304:728-730(2004).
CC   -!- FUNCTION: Catalyzes the deamination of dCTP to dUTP.
CC       {ECO:0000255|HAMAP-Rule:MF_00146}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=dCTP + H(+) + H2O = dUTP + NH4(+); Xref=Rhea:RHEA:22680,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:28938,
CC         ChEBI:CHEBI:61481, ChEBI:CHEBI:61555; EC=3.5.4.13;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00146};
CC   -!- PATHWAY: Pyrimidine metabolism; dUMP biosynthesis; dUMP from dCTP (dUTP
CC       route): step 1/2. {ECO:0000255|HAMAP-Rule:MF_00146}.
CC   -!- SUBUNIT: Homotrimer. {ECO:0000255|HAMAP-Rule:MF_00146}.
CC   -!- SIMILARITY: Belongs to the dCTP deaminase family. {ECO:0000255|HAMAP-
CC       Rule:MF_00146}.
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DR   EMBL; BX908798; CAF23682.1; -; Genomic_DNA.
DR   RefSeq; WP_011175508.1; NC_005861.2.
DR   AlphaFoldDB; Q6MCL7; -.
DR   SMR; Q6MCL7; -.
DR   STRING; 264201.pc0958; -.
DR   KEGG; pcu:PC_RS04620; -.
DR   eggNOG; COG0717; Bacteria.
DR   HOGENOM; CLU_087476_4_0_0; -.
DR   OrthoDB; 9780202at2; -.
DR   UniPathway; UPA00610; UER00665.
DR   Proteomes; UP000000529; Chromosome.
DR   GO; GO:0008829; F:dCTP deaminase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0000166; F:nucleotide binding; IEA:UniProtKB-KW.
DR   GO; GO:0006226; P:dUMP biosynthetic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0006229; P:dUTP biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd07557; trimeric_dUTPase; 1.
DR   Gene3D; 2.70.40.10; -; 1.
DR   HAMAP; MF_00146; dCTP_deaminase; 1.
DR   InterPro; IPR011962; dCTP_deaminase.
DR   InterPro; IPR036157; dUTPase-like_sf.
DR   InterPro; IPR033704; dUTPase_trimeric.
DR   NCBIfam; TIGR02274; dCTP_deam; 1.
DR   PANTHER; PTHR42680; DCTP DEAMINASE; 1.
DR   PANTHER; PTHR42680:SF3; DCTP DEAMINASE; 1.
DR   SUPFAM; SSF51283; dUTPase-like; 1.
PE   3: Inferred from homology;
KW   Hydrolase; Nucleotide metabolism; Nucleotide-binding; Reference proteome.
FT   CHAIN           1..188
FT                   /note="dCTP deaminase"
FT                   /id="PRO_1000009778"
FT   ACT_SITE        137
FT                   /note="Proton donor/acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         111..116
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         135..137
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         156
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         170
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         180
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
SQ   SEQUENCE   188 AA;  21293 MW;  05F5F2F1B6AFE6B1 CRC64;
     MSICSDNWII EKCLKEKMIE PFVDKQVRFE NGEKIISYGV SSYGYDIRVS NQFQIFTNVY
     GSIVDPKQFD TKSLVKIEDD VCVIPPNSFA LAITLEYFRI PENVLTICVG KSTYARCGII
     VNVTPFEPGW EGYAVLEISN TTPLPAKIYA GEGIAQVLFF EGKEKCLYTY AARNGKYHRQ
     MTLTLPLL
//