1P6O

The crystal structure of yeast cytosine deaminase bound to 4(R)-hydroxyl-3,4-dihydropyrimidine at 1.14 angstroms.

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 Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1p6oa_	Alpha and beta proteins (a/b)	Cytidine deaminase-like	Cytidine deaminase-like	Deoxycytidylate deaminase-like	Cytosine deaminase	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
B	d1p6ob1	Alpha and beta proteins (a/b)	Cytidine deaminase-like	Cytidine deaminase-like	Deoxycytidylate deaminase-like	Cytosine deaminase	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
B	d1p6ob2	Artifacts	Tags	Tags	Tags	N-terminal Tags	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Deoxycytidylate deaminase-like	8025910	4000564	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Cytidine deaminase-like	8038289	3001838	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Cytidine deaminase-like	8038289	3001838	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	dCMP_cyt_deam_1	e1p6oA1	A: a+b three layers	X: Cytidine deaminase-like (From Topology)	H: Cytidine deaminase-like (From Topology)	T: Cytidine deaminase-like	F: dCMP_cyt_deam_1	ECOD (1.6)
B	dCMP_cyt_deam_1	e1p6oB1	A: a+b three layers	X: Cytidine deaminase-like (From Topology)	H: Cytidine deaminase-like (From Topology)	T: Cytidine deaminase-like	F: dCMP_cyt_deam_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.140.10	Alpha Beta	3-Layer(aba) Sandwich	Cytidine Deaminase	domain 2	CATH (4.3.0)
B	3.40.140.10	Alpha Beta	3-Layer(aba) Sandwich	Cytidine Deaminase	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00383	Cytidine and deoxycytidylate deaminase zinc-binding region (dCMP_cyt_deam_1)	Cytidine and deoxycytidylate deaminase zinc-binding region	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Cytosine deaminase	cytosine deaminase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amidines hydrolase activity catalytic activity deaminase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds diaminohydroxyphosphoribosylaminopyrimidine deaminase activity 5-fluorocytosine deaminase activity cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding cytosine deaminase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amidines hydrolase activity catalytic activity deaminase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds diaminohydroxyphosphoribosylaminopyrimidine deaminase activity 5-fluorocytosine deaminase activity cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding	cellular biosynthetic process organonitrogen compound biosynthetic process pyrimidine-containing compound salvage cellular nitrogen compound biosynthetic process nucleobase-containing compound metabolic process organic substance metabolic process heterocycle metabolic process organic substance biosynthetic process nitrogen compound metabolic process pyrimidine-containing compound biosynthetic process cellular metabolic compound salvage organonitrogen compound metabolic process pyrimidine-containing compound metabolic process cellular metabolic process cellular biosynthetic process organonitrogen compound biosynthetic process pyrimidine-containing compound salvage cellular nitrogen compound biosynthetic process nucleobase-containing compound metabolic process organic substance metabolic process heterocycle metabolic process organic substance biosynthetic process nitrogen compound metabolic process pyrimidine-containing compound biosynthetic process cellular metabolic compound salvage organonitrogen compound metabolic process pyrimidine-containing compound metabolic process cellular metabolic process cellular nitrogen compound metabolic process primary metabolic process nucleobase-containing compound biosynthetic process heterocycle biosynthetic process organic cyclic compound metabolic process biosynthetic process aromatic compound biosynthetic process organic cyclic compound biosynthetic process metabolic process cellular process cellular aromatic compound metabolic process pyrimidine nucleobase metabolic process nucleobase-containing small molecule metabolic process nucleobase metabolic process small molecule metabolic process cytosine metabolic process glycosyl compound metabolic process cytidine metabolic process carbohydrate derivative metabolic process pyrimidine nucleoside metabolic process nucleoside metabolic process pyrimidine ribonucleoside metabolic process ribonucleoside metabolic process nucleotide biosynthetic process pyrimidine nucleotide metabolic process ribonucleotide biosynthetic process phosphate-containing compound metabolic process UMP metabolic process phosphorus metabolic process ribose phosphate biosynthetic process nucleoside phosphate metabolic process pyrimidine ribonucleoside monophosphate metabolic process nucleotide metabolic process pyrimidine ribonucleoside monophosphate biosynthetic process organophosphate biosynthetic process nucleoside phosphate biosynthetic process pyrimidine nucleoside monophosphate biosynthetic process ribose phosphate metabolic process pyrimidine ribonucleotide salvage pyrimidine nucleotide salvage nucleotide salvage UMP salvage UMP biosynthetic process ribonucleotide metabolic process ribonucleoside monophosphate metabolic process nucleoside monophosphate metabolic process pyrimidine ribonucleotide metabolic process carbohydrate derivative biosynthetic process pyrimidine nucleoside monophosphate metabolic process nucleoside monophosphate biosynthetic process organophosphate metabolic process ribonucleoside monophosphate biosynthetic process pyrimidine nucleotide biosynthetic process pyrimidine ribonucleotide biosynthetic process	intracellular anatomical structure cytoplasm cellular anatomical entity membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR016193	Cytidine deaminase-like	Homologous Superfamily
A, B	IPR002125	Cytidine and deoxycytidylate deaminase domain	Domain
A, B	IPR016192	APOBEC/CMP deaminase, zinc-binding	Binding Site

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.