ID DCD_VARPS Reviewed; 188 AA. AC C5CV58; DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot. DT 28-JUL-2009, sequence version 1. DT 27-MAR-2024, entry version 75. 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=Vapar_3880; OS Variovorax paradoxus (strain S110). OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales; OC Comamonadaceae; Variovorax. OX NCBI_TaxID=543728; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=S110; RX PubMed=21183664; DOI=10.1128/jb.00925-10; RA Han J.I., Choi H.K., Lee S.W., Orwin P.M., Kim J., Laroe S.L., Kim T.G., RA O'Neil J., Leadbetter J.R., Lee S.Y., Hur C.G., Spain J.C., RA Ovchinnikova G., Goodwin L., Han C.; RT "Complete genome sequence of the metabolically versatile plant growth- RT promoting endophyte, Variovorax paradoxus S110."; RL J. Bacteriol. 193:1183-1190(2011). 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}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; CP001635; ACS20494.1; -; Genomic_DNA. DR AlphaFoldDB; C5CV58; -. DR SMR; C5CV58; -. DR STRING; 543728.Vapar_3880; -. DR KEGG; vap:Vapar_3880; -. DR eggNOG; COG0717; Bacteria. DR HOGENOM; CLU_087476_4_0_4; -. DR OrthoDB; 9780956at2; -. DR UniPathway; UPA00610; UER00665. 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 NCBIfam; TIGR02274; dCTP_deam; 1. DR PANTHER; PTHR42680; DCTP DEAMINASE; 1. DR PANTHER; PTHR42680:SF3; DCTP DEAMINASE; 1. DR Pfam; PF00692; dUTPase; 1. DR SUPFAM; SSF51283; dUTPase-like; 1. PE 3: Inferred from homology; KW Hydrolase; Nucleotide metabolism; Nucleotide-binding. FT CHAIN 1..188 FT /note="dCTP deaminase" FT /id="PRO_1000203371" 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; 21221 MW; 18B9FA0B52B20CC8 CRC64; MSIKSDKWIR RMAEQNGMIE PFEPGQVREA AGHKIISYGT SSYGYDIRCA PEFKVFTNIH STVVDPKNFD EKSFVDMHGD YCIIPPNSFA LARTVEYFRI PRNVLTICLG KSTYARCGII VNVTPFEPEW EGYVTLEFSN TTPLPAKIYA GEGCAQVLFF ESDEVCETSY KDRGGKYQGQ RGVTLPKT //