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DCDB_STRGG
ID   DCDB_STRGG              Reviewed;         191 AA.
AC   B1VMF9;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-MAY-2008, sequence version 1.
DT   03-AUG-2022, entry version 77.
DE   RecName: Full=dCTP deaminase, dUMP-forming {ECO:0000255|HAMAP-Rule:MF_00146};
DE            EC=3.5.4.30 {ECO:0000255|HAMAP-Rule:MF_00146};
DE   AltName: Full=Bifunctional dCTP deaminase:dUTPase {ECO:0000255|HAMAP-Rule:MF_00146};
DE   AltName: Full=DCD-DUT {ECO:0000255|HAMAP-Rule:MF_00146};
GN   Name=dcd {ECO:0000255|HAMAP-Rule:MF_00146}; OrderedLocusNames=SGR_3440;
OS   Streptomyces griseus subsp. griseus (strain JCM 4626 / NBRC 13350).
OC   Bacteria; Actinobacteria; Streptomycetales; Streptomycetaceae;
OC   Streptomyces.
OX   NCBI_TaxID=455632;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=JCM 4626 / NBRC 13350;
RX   PubMed=18375553; DOI=10.1128/jb.00204-08;
RA   Ohnishi Y., Ishikawa J., Hara H., Suzuki H., Ikenoya M., Ikeda H.,
RA   Yamashita A., Hattori M., Horinouchi S.;
RT   "Genome sequence of the streptomycin-producing microorganism Streptomyces
RT   griseus IFO 13350.";
RL   J. Bacteriol. 190:4050-4060(2008).
CC   -!- FUNCTION: Bifunctional enzyme that catalyzes both the deamination of
CC       dCTP to dUTP and the hydrolysis of dUTP to dUMP without releasing the
CC       toxic dUTP intermediate. {ECO:0000255|HAMAP-Rule:MF_00146}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=dCTP + 2 H2O = diphosphate + dUMP + NH4(+);
CC         Xref=Rhea:RHEA:19205, ChEBI:CHEBI:15377, ChEBI:CHEBI:28938,
CC         ChEBI:CHEBI:33019, ChEBI:CHEBI:61481, ChEBI:CHEBI:246422;
CC         EC=3.5.4.30; Evidence={ECO:0000255|HAMAP-Rule:MF_00146};
CC   -!- PATHWAY: Pyrimidine metabolism; dUMP biosynthesis; dUMP from dCTP: step
CC       1/1. {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; AP009493; BAG20269.1; -; Genomic_DNA.
DR   RefSeq; WP_003967584.1; NC_010572.1.
DR   AlphaFoldDB; B1VMF9; -.
DR   SMR; B1VMF9; -.
DR   STRING; 455632.SGR_3440; -.
DR   EnsemblBacteria; BAG20269; BAG20269; SGR_3440.
DR   GeneID; 6215491; -.
DR   KEGG; sgr:SGR_3440; -.
DR   eggNOG; COG0717; Bacteria.
DR   HOGENOM; CLU_087476_2_0_11; -.
DR   OMA; FENHRYP; -.
DR   OrthoDB; 1598407at2; -.
DR   UniPathway; UPA00610; UER00667.
DR   Proteomes; UP000001685; Chromosome.
DR   GO; GO:0033973; F:dCTP deaminase (dUMP-forming) activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0008829; F:dCTP deaminase activity; IEA:InterPro.
DR   GO; GO:0000166; F:nucleotide binding; IEA:UniProtKB-KW.
DR   GO; GO:0006226; P:dUMP biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0006229; P:dUTP biosynthetic process; IEA:InterPro.
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.
FT   CHAIN           1..191
FT                   /note="dCTP deaminase, dUMP-forming"
FT                   /id="PRO_1000096455"
FT   REGION          169..191
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        171..191
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        129
FT                   /note="Proton donor/acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         101..106
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         119
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         127..129
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         148
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         162
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   BINDING         174
FT                   /ligand="dCTP"
FT                   /ligand_id="ChEBI:CHEBI:61481"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
FT   SITE            116..117
FT                   /note="Important for bifunctional activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00146"
SQ   SEQUENCE   191 AA;  21468 MW;  7C14B5E4698A8959 CRC64;
     MLLSDKDIRA EIDAGRVRID PYDPSMVQPS SIDVRLDRYF RVFENHRYPH IDPAVEQPDL
     TRTVEPEGDE AFILHPGEFV LASTYEVISL PDDLASRLEG KSSLGRLGLV THSTAGFIDP
     GFSGHVTLEL SNLATLPIKL WPGMKIGQLC LFKLTSSAEF PYGSERYESR YQGQRGPTAS
     RSFQNFHRTQ V
 
 
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