DCD_HAES1
ID DCD_HAES1 Reviewed; 194 AA.
AC Q0I2Y8;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 03-OCT-2006, sequence version 1.
DT 03-AUG-2022, entry version 90.
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=HS_0645;
OS Haemophilus somnus (strain 129Pt) (Histophilus somni).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC Pasteurellaceae; Histophilus.
OX NCBI_TaxID=205914;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=129Pt;
RX PubMed=17172329; DOI=10.1128/jb.01422-06;
RA Challacombe J.F., Duncan A.J., Brettin T.S., Bruce D., Chertkov O.,
RA Detter J.C., Han C.S., Misra M., Richardson P., Tapia R., Thayer N.,
RA Xie G., Inzana T.J.;
RT "Complete genome sequence of Haemophilus somnus (Histophilus somni) strain
RT 129Pt and comparison to Haemophilus ducreyi 35000HP and Haemophilus
RT influenzae Rd.";
RL J. Bacteriol. 189:1890-1898(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; CP000436; ABI24922.1; -; Genomic_DNA.
DR RefSeq; WP_011608801.1; NC_008309.1.
DR AlphaFoldDB; Q0I2Y8; -.
DR SMR; Q0I2Y8; -.
DR STRING; 205914.HS_0645; -.
DR EnsemblBacteria; ABI24922; ABI24922; HS_0645.
DR GeneID; 56965204; -.
DR KEGG; hso:HS_0645; -.
DR eggNOG; COG0717; Bacteria.
DR HOGENOM; CLU_087476_2_0_6; -.
DR OMA; PPIERIN; -.
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; IPR010550; dCTP_deam_bac.
DR InterPro; IPR011962; dCTP_deaminase.
DR InterPro; IPR036157; dUTPase-like_sf.
DR InterPro; IPR033704; dUTPase_trimeric.
DR Pfam; PF06559; DCD; 1.
DR SUPFAM; SSF51283; SSF51283; 1.
DR TIGRFAMs; TIGR02274; dCTP_deam; 1.
PE 3: Inferred from homology;
KW Hydrolase; Nucleotide metabolism; Nucleotide-binding.
FT CHAIN 1..194
FT /note="dCTP deaminase"
FT /id="PRO_1000009735"
FT ACT_SITE 138
FT /note="Proton donor/acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT BINDING 110..115
FT /ligand="dCTP"
FT /ligand_id="ChEBI:CHEBI:61481"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT BINDING 128
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 171
FT /ligand="dCTP"
FT /ligand_id="ChEBI:CHEBI:61481"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT BINDING 178
FT /ligand="dCTP"
FT /ligand_id="ChEBI:CHEBI:61481"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT BINDING 182
FT /ligand="dCTP"
FT /ligand_id="ChEBI:CHEBI:61481"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
SQ SEQUENCE 194 AA; 21383 MW; 627AD41E662B40D1 CRC64;
MRLCDTDIER YLDQGIISLT PRPSNEKING ATIDVRLGNS FRVFREHTAP FIDLSGPKEE
VTAQLDAVMS DEIIIGENEA FFLHPGELAL ATTLEAVKLP ANIIGWLDGR SSLARLGLMV
HVTAHRIDPG WEGKIVLEFF NSGKLPLALR PNMVIGALSF EVLSGTAARP YTSRKDAKYK
HQQSAVASRI SEDK
