ID   DCD_PSYIN               Reviewed;         194 AA.
AC   A1SSZ3;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   06-FEB-2007, sequence version 1.
DT   02-SEP-2026, 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};
GN   OrderedLocusNames=Ping_0756;
OS   Psychromonas ingrahamii (strain DSM 17664 / CCUG 51855 / 37).
OC   Bacteria; Pseudomonadati; Pseudomonadota; Gammaproteobacteria;
OC   Alteromonadales; Psychromonadaceae; Psychromonas.
OX   NCBI_TaxID=357804;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 17664 / CCUG 51855 / 37;
RX   PubMed=18460197; DOI=10.1186/1471-2164-9-210;
RA   Riley M., Staley J.T., Danchin A., Wang T.Z., Brettin T.S., Hauser L.J.,
RA   Land M.L., Thompson L.S.;
RT   "Genomics of an extreme psychrophile, Psychromonas ingrahamii.";
RL   BMC Genomics 9:210-210(2008).
CC   -!- FUNCTION: Catalyzes the deamination of dCTP to dUTP.
CC       {ECO:0000255|HAMAP-Rule:MF_00146}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=dCTP + H2O + H(+) = 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}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; CP000510; ABM02608.1; -; Genomic_DNA.
DR   RefSeq; WP_011769167.1; NC_008709.1.
DR   AlphaFoldDB; A1SSZ3; -.
DR   SMR; A1SSZ3; -.
DR   STRING; 357804.Ping_0756; -.
DR   KEGG; pin:Ping_0756; -.
DR   eggNOG; COG0717; Bacteria.
DR   HOGENOM; CLU_087476_2_0_6; -.
DR   OrthoDB; 9780956at2; -.
DR   UniPathway; UPA00610; UER00665.
DR   Proteomes; UP000000639; Chromosome.
DR   GO; GO:0008829; F:dCTP deaminase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006226; P:dUMP biosynthetic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0006229; P:dUTP biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0015949; P:nucleobase-containing small molecule interconversion; IEA:TreeGrafter.
DR   CDD; cd07557; trimeric_dUTPase; 1.
DR   FunFam; 2.70.40.10:FF:000003; dCTP deaminase; 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   Pfam; PF22769; DCD; 1.
DR   SUPFAM; SSF51283; dUTPase-like; 1.
PE   3: Inferred from homology;
KW   Hydrolase; Nucleotide metabolism; Nucleotide-binding; Reference proteome.
FT   CHAIN           1..194
FT                   /note="dCTP deaminase"
FT                   /id="PRO_1000009792"
FT   ACT_SITE        138
FT                   /note="Proton donor/acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         110..115
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         128
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         136..138
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         171
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         178
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         182
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
SQ   SEQUENCE   194 AA;  21399 MW;  1F49296824309FF0 CRC64;
     MRLCDTHIEE YLDAGKIVIT PRPPKSAISG VSVDIRLGNE FRVFSEHTTP YIDLSGPKEE
     VSSALDKVMS EPIIIAKNES FFLHPGELAL AVTYENVTLP DDIVGWLDGR SSLARLGLMV
     HVTAHRIDPG WSGKIVLEFY NSGKIPLALR PEMTIAALNF EVLSAPAARP YNKRVDAKYQ
     VQQGAVASRI NQDN
//