ID   DCD_NITEU               Reviewed;         188 AA.
AC   Q820Q1;
DT   01-MAR-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, 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=NE0623;
OS   Nitrosomonas europaea (strain ATCC 19718 / CIP 103999 / KCTC 2705 / NBRC
OS   14298).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Nitrosomonadales;
OC   Nitrosomonadaceae; Nitrosomonas.
OX   NCBI_TaxID=228410;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 19718 / CIP 103999 / KCTC 2705 / NBRC 14298;
RX   PubMed=12700255; DOI=10.1128/jb.185.9.2759-2773.2003;
RA   Chain P., Lamerdin J.E., Larimer F.W., Regala W., Lao V., Land M.L.,
RA   Hauser L., Hooper A.B., Klotz M.G., Norton J., Sayavedra-Soto L.A.,
RA   Arciero D.M., Hommes N.G., Whittaker M.M., Arp D.J.;
RT   "Complete genome sequence of the ammonia-oxidizing bacterium and obligate
RT   chemolithoautotroph Nitrosomonas europaea.";
RL   J. Bacteriol. 185:2759-2773(2003).
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; AL954747; CAD84534.1; -; Genomic_DNA.
DR   RefSeq; WP_011111249.1; NC_004757.1.
DR   AlphaFoldDB; Q820Q1; -.
DR   SMR; Q820Q1; -.
DR   STRING; 228410.NE0623; -.
DR   EnsemblBacteria; CAD84534; CAD84534; NE0623.
DR   KEGG; neu:NE0623; -.
DR   eggNOG; COG0717; Bacteria.
DR   HOGENOM; CLU_087476_4_0_4; -.
DR   OMA; FENHRYP; -.
DR   OrthoDB; 1598407at2; -.
DR   PhylomeDB; Q820Q1; -.
DR   UniPathway; UPA00610; UER00665.
DR   Proteomes; UP000001416; 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_0000156000"
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;  21495 MW;  FBAB9BB42FA3E902 CRC64;
     MSIKSDKWIR RMAAEYNMIE PFEPNQIKQR NGESIVSYGT SSYGYDIRCS DEFKLFTNLN
     STIVDPKRFD SNSFVDVKGD ICIIPPNSFA LARTVEYFRI PRNVLTICLG KSTYARCGII
     VNVTPFEPEW EGYVTLEFSN TTPLPAKIYA NEGVAQVIFF ESDEVCETSY KDRNGKYQFQ
     QGVTLPKI