Annotations: 1PKH

STRUCTURAL BASIS FOR RECOGNITION AND CATALYSIS BY THE BIFUNCTIONAL DCTP DEAMINASE AND DUTPASE FROM METHANOCOCCUS JANNASCHII

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1pkhb_	All beta proteins	beta-clip	dUTPase-like	dUTPase-like	Bifunctional dCTP deaminase/dUTPase	(Methanocaldococcus jannaschii ) [TaxId: 2190 ],	SCOPe (2.08)
A	d1pkha_	All beta proteins	beta-clip	dUTPase-like	dUTPase-like	Bifunctional dCTP deaminase/dUTPase	(Methanocaldococcus jannaschii ) [TaxId: 2190 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	dUTPase-like	8038866	3001957	SCOP2B (2022-06-29)
A	SCOP2 Family	dUTPase-like	8026487	4002970	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	dUTPase-like	8038866	3001957	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	dUTPase, DCD	e1pkhB1	A: a/b three-layered sandwiches	X: Phage tail fiber protein trimerization domain	H: beta-Prism I	T: beta-Prism I	F: dUTPase, DCD	ECOD (v294.1)
A	dUTPase	e1pkhA1	A: beta barrels	X: beta-clip	H: dUTPase-like	T: dUTPase-like	F: dUTPase	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.70.40.10	Mainly Beta	Distorted Sandwich	Deoxyuridine 5'-Triphosphate Nucleotidohydrolase	Chain A	CATH (4.3.0)
A	2.70.40.10	Mainly Beta	Distorted Sandwich	Deoxyuridine 5'-Triphosphate Nucleotidohydrolase	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF22769	dCTP deaminase-like (DCD)	dCTP deaminase-like	This entry represents a dCTP deaminase (DCD) domain found in archaea and bacteria [1-5]. Methanococcus jannaschii, has a bifunctional enzyme DCD-DUT, that harbors both dCTP deaminase and dUTP pyrophosphatase activities [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Bifunctional deaminase/diphosphatase	hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amidines hydrolase activity dCTP deaminase (dUMP-forming) activity catalytic activity deaminase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds dCTP deaminase activity binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding	pyrimidine deoxyribonucleotide metabolic process deoxyribose phosphate biosynthetic process nucleotide biosynthetic process dUTP metabolic process carbohydrate derivative metabolic process pyrimidine nucleotide metabolic process pyrimidine deoxyribonucleoside triphosphate biosynthetic process nucleobase-containing compound metabolic process pyrimidine deoxyribonucleotide biosynthetic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process pyrimidine deoxyribonucleoside triphosphate metabolic process small molecule metabolic process pyrimidine-containing compound biosynthetic process pyrimidine deoxyribonucleotide metabolic process deoxyribose phosphate biosynthetic process nucleotide biosynthetic process dUTP metabolic process carbohydrate derivative metabolic process pyrimidine nucleotide metabolic process pyrimidine deoxyribonucleoside triphosphate biosynthetic process nucleobase-containing compound metabolic process pyrimidine deoxyribonucleotide biosynthetic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process pyrimidine deoxyribonucleoside triphosphate metabolic process small molecule metabolic process pyrimidine-containing compound biosynthetic process pyrimidine nucleoside triphosphate biosynthetic process phosphorus metabolic process nucleoside phosphate metabolic process carbohydrate derivative biosynthetic process pyrimidine-containing compound metabolic process pyrimidine nucleoside triphosphate metabolic process dUTP biosynthetic process nucleoside triphosphate biosynthetic process 2'-deoxyribonucleotide metabolic process 2'-deoxyribonucleotide biosynthetic process primary metabolic process nucleotide metabolic process nucleobase-containing compound biosynthetic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process nucleoside phosphate biosynthetic process metabolic process cellular process nucleoside triphosphate metabolic process pyrimidine nucleotide biosynthetic process pyrimidine deoxyribonucleoside monophosphate metabolic process deoxyribonucleoside monophosphate biosynthetic process pyrimidine deoxyribonucleoside monophosphate biosynthetic process nucleoside monophosphate metabolic process pyrimidine nucleoside monophosphate metabolic process dUMP biosynthetic process nucleoside monophosphate biosynthetic process dUMP metabolic process pyrimidine nucleoside monophosphate biosynthetic process dTTP biosynthetic process dTTP metabolic process nucleobase-containing small molecule interconversion	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR011962	dCTP deaminase	Family
A, B	IPR033704	dUTPase, trimeric	Domain
A, B	IPR036157	dUTPase-like superfamily	Homologous Superfamily

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