ID   DCD_SHIB3               Reviewed;         193 AA.
AC   B2TYB7;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-2008, sequence version 1.
DT   04-NOV-2026, entry version 96.
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=SbBS512_E1167;
OS   Shigella boydii serotype 18 (strain CDC 3083-94 / BS512).
OC   Bacteria; Pseudomonadati; Pseudomonadota; Gammaproteobacteria;
OC   Enterobacterales; Enterobacteriaceae; Shigella.
OX   NCBI_TaxID=344609;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CDC 3083-94 / BS512;
RA   Rasko D.A., Rosovitz M., Maurelli A.T., Myers G., Seshadri R., Cer R.,
RA   Jiang L., Ravel J., Sebastian Y.;
RT   "Complete sequence of Shigella boydii serotype 18 strain BS512.";
RL   Submitted (MAY-2008) to the EMBL/GenBank/DDBJ databases.
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}.
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DR   EMBL; CP001063; ACD09666.1; -; Genomic_DNA.
DR   RefSeq; WP_001234767.1; NC_010658.1.
DR   AlphaFoldDB; B2TYB7; -.
DR   SMR; B2TYB7; -.
DR   STRING; 344609.SbBS512_E1167; -.
DR   PaxDb; 344609-SbBS512_E1167; -.
DR   GeneID; 67172009; -.
DR   GeneID; 93775126; -.
DR   KEGG; sbc:SbBS512_E1167; -.
DR   HOGENOM; CLU_087476_2_0_6; -.
DR   OMA; AAERPYN; -.
DR   UniPathway; UPA00610; UER00665.
DR   Proteomes; UP000001030; 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..193
FT                   /note="dCTP deaminase"
FT                   /id="PRO_1000096454"
FT   REGION          169..193
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
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   193 AA;  21221 MW;  B0123136ADE7F919 CRC64;
     MRLCDRDIEA WLDEGRLSIN PRPPVERING ATVDVRLGNK FRTFRGHTAA FIDLSGPKDE
     VSAALDRVMS DEIVLDEGEA FYLHPGELAL AVTLESVTLP ADLVGWLDGR SSLARLGLMV
     HVTAHRIDPG WSGCIVLEFY NSGKLPLALR PGMLIGALSF EPLSGPAARP YNRREDAKYR
     NQQGAVASRI DKD
//