ID DCD_LEPCP Reviewed; 189 AA. AC B1XWK4; DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot. DT 20-MAY-2008, 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=Lcho_2740; OS Leptothrix cholodnii (strain ATCC 51168 / LMG 8142 / SP-6) (Leptothrix OS discophora (strain SP-6)). OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales; OC Sphaerotilaceae; Leptothrix. OX NCBI_TaxID=395495; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ATCC 51168 / LMG 8142 / SP-6; RG US DOE Joint Genome Institute; RA Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H., RA Bruce D., Goodwin L., Pitluck S., Chertkov O., Brettin T., Detter J.C., RA Han C., Kuske C.R., Schmutz J., Larimer F., Land M., Hauser L., RA Kyrpides N., Lykidis A., Emerson D., Richardson P.; RT "Complete sequence of Leptothrix cholodnii SP-6."; RL Submitted (MAR-2008) to the EMBL/GenBank/DDBJ databases. 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; CP001013; ACB35005.1; -; Genomic_DNA. DR RefSeq; WP_012347759.1; NC_010524.1. DR AlphaFoldDB; B1XWK4; -. DR SMR; B1XWK4; -. DR STRING; 395495.Lcho_2740; -. DR KEGG; lch:Lcho_2740; -. DR eggNOG; COG0717; Bacteria. DR HOGENOM; CLU_087476_4_0_4; -. DR OrthoDB; 9780956at2; -. DR UniPathway; UPA00610; UER00665. DR Proteomes; UP000001693; 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 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; Reference proteome. FT CHAIN 1..189 FT /note="dCTP deaminase" FT /id="PRO_1000096436" FT ACT_SITE 138 FT /note="Proton donor/acceptor" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00146" FT BINDING 112..117 FT /ligand="dCTP" FT /ligand_id="ChEBI:CHEBI:61481" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00146" FT BINDING 136..138 FT /ligand="dCTP" FT /ligand_id="ChEBI:CHEBI:61481" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00146" FT BINDING 157 FT /ligand="dCTP" FT /ligand_id="ChEBI:CHEBI:61481" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00146" FT BINDING 171 FT /ligand="dCTP" FT /ligand_id="ChEBI:CHEBI:61481" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00146" FT BINDING 181 FT /ligand="dCTP" FT /ligand_id="ChEBI:CHEBI:61481" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00146" SQ SEQUENCE 189 AA; 21331 MW; 6527FB63B1B451C4 CRC64; MSIKSDKWIR RMAQESGMIE PFEPGQVRQS ADGQKIVSYG TSSYGYDIRC AREFKVFTNI YSTVVDPKNF DEKSFVDIES DVCIIPPNSF ALARTMEYFR IPRNVLTICL GKSTYARCGI IVNVTPFEPE WEGYVTLEFS NTTPLPAKIY AGEGCAQVLF FESDEVCETS YRDRGGKYQG QTGVTLPKT //