Annotations: 9K1K

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Cytidine deaminase-like	8038289	3001838	SCOP2B (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		e9k1kA1	A: ATPD N-terminal domain-like	X: N-terminal domain of the delta subunit of the F1F0-ATP synthase	H: N-terminal domain of the delta subunit of the F1F0-ATP synthase	T: MbtH	F:	ECOD (20:10:01)
B		e9k1kB1	A: ATPD N-terminal domain-like	X: N-terminal domain of the delta subunit of the F1F0-ATP synthase	H: Galactose-binding domain-like	T: DJ-1_PfpI	F:	ECOD (20:10:01)

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	hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amidines hydrolase activity catalytic activity deaminase activity diaminohydroxyphosphoribosylaminopyrimidine deaminase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding cytosine deaminase activity	pyrimidine-containing compound metabolic process cytidine metabolic process carbohydrate derivative metabolic process primary metabolic process pyrimidine nucleoside metabolic process nucleoside metabolic process nucleobase-containing compound metabolic process pyrimidine ribonucleoside metabolic process nucleobase-containing small molecule metabolic process small molecule metabolic process metabolic process cellular process ribonucleoside metabolic process metabolic compound salvage pyrimidine-containing compound metabolic process cytidine metabolic process carbohydrate derivative metabolic process primary metabolic process pyrimidine nucleoside metabolic process nucleoside metabolic process nucleobase-containing compound metabolic process pyrimidine ribonucleoside metabolic process nucleobase-containing small molecule metabolic process small molecule metabolic process metabolic process cellular process ribonucleoside metabolic process metabolic compound salvage biosynthetic process pyrimidine-containing compound biosynthetic process pyrimidine-containing compound salvage pyrimidine nucleobase metabolic process nucleobase metabolic process cytosine metabolic process ribose phosphate metabolic process nucleotide biosynthetic process pyrimidine ribonucleotide salvage pyrimidine nucleotide metabolic process pyrimidine nucleotide salvage nucleotide salvage ribonucleotide biosynthetic process UMP salvage UMP biosynthetic process ribonucleotide metabolic process phosphate-containing compound metabolic process UMP metabolic process phosphorus metabolic process nucleoside monophosphate metabolic process ribose phosphate biosynthetic process pyrimidine ribonucleotide metabolic process nucleoside phosphate metabolic process carbohydrate derivative biosynthetic process pyrimidine nucleoside monophosphate metabolic process pyrimidine ribonucleoside monophosphate metabolic process nucleobase-containing compound biosynthetic process nucleotide metabolic process nucleoside monophosphate biosynthetic process pyrimidine ribonucleoside monophosphate biosynthetic process organophosphate metabolic process organophosphate biosynthetic process nucleoside phosphate biosynthetic process pyrimidine nucleoside monophosphate biosynthetic process ribonucleoside monophosphate biosynthetic process pyrimidine nucleotide biosynthetic process pyrimidine ribonucleotide biosynthetic process	cellular anatomical structure intracellular anatomical structure cytoplasm membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

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

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.