ID   DCD_DESA1               Reviewed;         181 AA.
AC   B8D5T1;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   03-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 72.
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=DKAM_1136;
OS   Desulfurococcus amylolyticus (strain DSM 18924 / JCM 16383 / VKM B-2413 /
OS   1221n) (Desulfurococcus kamchatkensis).
OC   Archaea; Crenarchaeota; Thermoprotei; Desulfurococcales;
OC   Desulfurococcaceae; Desulfurococcus.
OX   NCBI_TaxID=490899;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 18924 / JCM 16383 / VKM B-2413 / 1221n;
RX   PubMed=19114480; DOI=10.1128/jb.01525-08;
RA   Ravin N.V., Mardanov A.V., Beletsky A.V., Kublanov I.V., Kolganova T.V.,
RA   Lebedinsky A.V., Chernyh N.A., Bonch-Osmolovskaya E.A., Skryabin K.G.;
RT   "Complete genome sequence of the anaerobic, protein-degrading
RT   hyperthermophilic crenarchaeon Desulfurococcus kamchatkensis.";
RL   J. Bacteriol. 191:2371-2379(2009).
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; CP001140; ACL11462.1; -; Genomic_DNA.
DR   RefSeq; WP_012608803.1; NC_011766.1.
DR   AlphaFoldDB; B8D5T1; -.
DR   SMR; B8D5T1; -.
DR   STRING; 490899.DKAM_1136; -.
DR   EnsemblBacteria; ACL11462; ACL11462; DKAM_1136.
DR   GeneID; 7171228; -.
DR   KEGG; dka:DKAM_1136; -.
DR   eggNOG; arCOG04048; Archaea.
DR   HOGENOM; CLU_087476_3_0_2; -.
DR   OMA; FENHRYP; -.
DR   UniPathway; UPA00610; UER00665.
DR   Proteomes; UP000006903; 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..181
FT                   /note="dCTP deaminase"
FT                   /id="PRO_1000123142"
FT   REGION          160..181
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        126
FT                   /note="Proton donor/acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         100..105
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         116
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         158
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         165
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
SQ   SEQUENCE   181 AA;  20561 MW;  BADAC8807D182653 CRC64;
     MILSDWDIRV YIEKKLLIID PLFDDTVREN GVDLRFGDEF CRFKRENSVV DTSRDGVDNV
     LECYRVRGDG FVINPLEHVL TTTLEYVEFP HDLVGLVNLR STFARFGLYI PPTVIDAGFK
     GNITIELVGS TVPVKVYPGQ RFLHLILART SSPVYKPYTG KYQGQRGVTP PKLDNSSSKN
     F