ID   DCD_RICAE               Reviewed;         188 AA.
AC   C3PMB0;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   16-JUN-2009, sequence version 1.
DT   02-SEP-2026, entry version 79.
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=RAF_ORF0095;
OS   Rickettsia africae (strain ESF-5).
OC   Bacteria; Pseudomonadati; Pseudomonadota; Alphaproteobacteria;
OC   Rickettsiales; Rickettsiaceae; Rickettsieae; Rickettsia;
OC   spotted fever group.
OX   NCBI_TaxID=347255;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ESF-5;
RX   PubMed=19379498; DOI=10.1186/1471-2164-10-166;
RA   Fournier P.-E., El Karkouri K., Leroy Q., Robert C., Giumelli B.,
RA   Renesto P., Socolovschi C., Parola P., Audic S., Raoult D.;
RT   "Analysis of the Rickettsia africae genome reveals that virulence
RT   acquisition in Rickettsia species may be explained by genome reduction.";
RL   BMC Genomics 10:166-166(2009).
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; CP001612; ACP53070.1; -; Genomic_DNA.
DR   RefSeq; WP_004996797.1; NC_012633.1.
DR   AlphaFoldDB; C3PMB0; -.
DR   SMR; C3PMB0; -.
DR   GeneID; 79936898; -.
DR   GeneID; 95361829; -.
DR   KEGG; raf:RAF_ORF0095; -.
DR   HOGENOM; CLU_087476_4_0_5; -.
DR   UniPathway; UPA00610; UER00665.
DR   Proteomes; UP000002305; 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   CDD; cd07557; trimeric_dUTPase; 1.
DR   FunFam; 2.70.40.10:FF:000001; 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..188
FT                   /note="dCTP deaminase"
FT                   /id="PRO_1000203365"
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         179
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;  21328 MW;  34EF8EBA5D3A9257 CRC64;
     MAIMSDKWIK EAVINHSMIR PFAEKQVRVH NKEKIISYGL SSYGYDARVS NEFKIFTNIN
     STTVDPKNFS EYNLVDREVD VCIIPPNSFA LGRTIEYFKI PRDVLVICVG KSTYARCGII
     VNVTPLEPEW EGHVTLEFSN TTPLPAKIYA NEGACQFLFL KSDQICDTSY ADRQGKYMKQ
     VGVTLPLT
//