ID   DCD_SULNB               Reviewed;         188 AA.
AC   A6Q6E1;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   21-AUG-2007, sequence version 1.
DT   03-AUG-2022, entry version 92.
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=SUN_0090;
OS   Sulfurovum sp. (strain NBC37-1).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Sulfurovaceae; Sulfurovum; unclassified Sulfurovum.
OX   NCBI_TaxID=387093;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NBC37-1;
RX   PubMed=17615243; DOI=10.1073/pnas.0700687104;
RA   Nakagawa S., Takaki Y., Shimamura S., Reysenbach A.-L., Takai K.,
RA   Horikoshi K.;
RT   "Deep-sea vent epsilon-proteobacterial genomes provide insights into
RT   emergence of pathogens.";
RL   Proc. Natl. Acad. Sci. U.S.A. 104:12146-12150(2007).
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; AP009179; BAF71050.1; -; Genomic_DNA.
DR   RefSeq; WP_011979783.1; NC_009663.1.
DR   AlphaFoldDB; A6Q6E1; -.
DR   SMR; A6Q6E1; -.
DR   STRING; 387093.SUN_0090; -.
DR   EnsemblBacteria; BAF71050; BAF71050; SUN_0090.
DR   KEGG; sun:SUN_0090; -.
DR   eggNOG; COG0717; Bacteria.
DR   HOGENOM; CLU_087476_4_0_7; -.
DR   OMA; FENHRYP; -.
DR   OrthoDB; 1598407at2; -.
DR   UniPathway; UPA00610; UER00665.
DR   Proteomes; UP000006378; 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; IPR029054; dUTPase-like.
DR   InterPro; IPR036157; dUTPase-like_sf.
DR   InterPro; IPR033704; dUTPase_trimeric.
DR   Pfam; PF00692; dUTPase; 1.
DR   SUPFAM; SSF51283; SSF51283; 1.
DR   TIGRFAMs; TIGR02274; dCTP_deam; 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_1000009824"
FT   ACT_SITE        133
FT                   /note="Proton donor/acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         107..112
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         152
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         166
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         176
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
SQ   SEQUENCE   188 AA;  20976 MW;  AE4FFE58A74A5A00 CRC64;
     MGLKPDKWIR EKSLNEAMIT PFCEGLVGEG VVSYGLSSYG YDIRVSDEFK IFTNINAEVV
     DPKDFNENNV VDFKGDICIV PPNSFALART VEYFRMPKDT LAICLGKSTY ARCGIIVNVT
     PFEPGFEGHI TIEISNTTPL PAKIYANEGI AQVLFLEGDE QCETTYSDRK GKYQSQTGIT
     LPRILKQQ