Annotations: 3E1U

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Cytidine deaminase-like	8105521	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	APOBEC_N	e3e1uA1	A: a+b three layers	X: Cytidine deaminase-like (From Topology)	H: Cytidine deaminase-like (From Topology)	T: Cytidine deaminase-like	F: APOBEC_N	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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF05240	APOBEC-like C-terminal domain (APOBEC_C)	APOBEC-like C-terminal domain	This domain is found at the C-termini of the Apolipoprotein B mRNA editing enzyme.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	DNA dC->dU-editing enzyme APOBEC-3G	hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amidines deoxycytidine deaminase activity hydrolase activity catalytic activity deaminase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds RNA binding binding organic cyclic compound binding nucleic acid binding cytidine deaminase activity dCTP deaminase activity cation binding transition metal ion binding hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amidines deoxycytidine deaminase activity hydrolase activity catalytic activity deaminase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds RNA binding binding organic cyclic compound binding nucleic acid binding cytidine deaminase activity dCTP deaminase activity cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding identical protein binding protein binding	regulation of biological process regulation of cellular process negative regulation of cellular process biological regulation negative regulation of biological process cellular process retrotransposon silencing transposition retrotransposition cytidine to uridine editing cellular metabolic process RNA metabolic process cellular nitrogen compound metabolic process primary metabolic process regulation of biological process regulation of cellular process negative regulation of cellular process biological regulation negative regulation of biological process cellular process retrotransposon silencing transposition retrotransposition cytidine to uridine editing cellular metabolic process RNA metabolic process cellular nitrogen compound metabolic process primary metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process RNA modification organic substance metabolic process base conversion or substitution editing heterocycle metabolic process macromolecule modification nitrogen compound metabolic process metabolic process macromolecule metabolic process cellular aromatic compound metabolic process DNA metabolic process DNA modification DNA demethylation DNA dealkylation demethylation negative regulation of viral process regulation of viral process viral process biological process involved in interspecies interaction between organisms response to stimulus immune response response to other organism defense response defense response to symbiont response to external stimulus response to biotic stimulus immune system process defense response to other organism response to stress innate immune response response to external biotic stimulus DNA cytosine deamination DNA deamination negative regulation of viral genome replication viral life cycle regulation of viral life cycle viral genome replication regulation of viral genome replication regulation of defense response regulation of response to biotic stimulus regulation of response to external stimulus regulation of defense response to virus defense response to virus regulation of response to stimulus regulation of response to stress positive regulation of defense response to virus by host regulation of defense response to virus by host response to virus glycosyl compound metabolic process catabolic process pyrimidine-containing compound catabolic process carbohydrate derivative metabolic process pyrimidine nucleoside metabolic process cellular catabolic process nucleobase-containing small molecule metabolic process small molecule metabolic process organonitrogen compound catabolic process cytidine deamination carbohydrate derivative catabolic process organonitrogen compound metabolic process pyrimidine-containing compound metabolic process pyrimidine nucleoside catabolic process cytidine metabolic process glycosyl compound catabolic process aromatic compound catabolic process nucleoside metabolic process cellular nitrogen compound catabolic process organic cyclic compound catabolic process nucleobase-containing compound catabolic process cytidine catabolic process pyrimidine ribonucleoside metabolic process nucleobase-containing small molecule catabolic process nucleoside catabolic process heterocycle catabolic process pyrimidine ribonucleoside catabolic process small molecule catabolic process ribonucleoside catabolic process organic substance catabolic process ribonucleoside metabolic process negative regulation of nitrogen compound metabolic process negative regulation of cellular metabolic process negative regulation of RNA biosynthetic process regulation of primary metabolic process regulation of nitrogen compound metabolic process regulation of RNA metabolic process organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of metabolic process regulation of cellular metabolic process single stranded viral RNA replication via double stranded DNA intermediate negative regulation of cellular biosynthetic process biosynthetic process aromatic compound biosynthetic process negative regulation of macromolecule biosynthetic process organic cyclic compound biosynthetic process regulation of macromolecule biosynthetic process regulation of metabolic process negative regulation of RNA metabolic process regulation of single stranded viral RNA replication via double stranded DNA intermediate cellular biosynthetic process negative regulation of single stranded viral RNA replication via double stranded DNA intermediate RNA biosynthetic process nucleic acid biosynthetic process viral RNA genome replication regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process heterocycle biosynthetic process macromolecule biosynthetic process regulation of cellular biosynthetic process negative regulation of biosynthetic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol membrane-bounded organelle protein-containing complex apolipoprotein B mRNA editing enzyme complex catalytic complex mRNA editing complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle organelle intracellular anatomical structure cytoplasm cellular anatomical entity cytosol membrane-bounded organelle protein-containing complex apolipoprotein B mRNA editing enzyme complex catalytic complex mRNA editing complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle organelle cytoplasmic ribonucleoprotein granule ribonucleoprotein granule intracellular non-membrane-bounded organelle supramolecular complex P-body non-membrane-bounded organelle ribonucleoprotein complex

InterPro: Protein Family Classification InterPro Database Homepage

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

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q9HC16	Sjogren syndrome ulcerative colitis adrenal cortex carcinoma B-cell chronic lymphocytic leukemia Crohn disease invasive ductal breast carcinoma malignant glioma ovarian cancer plasma cell myeloma subependymal giant cell astrocytoma AIDS breast cancer cutaneous lupus erythematosus lung cancer malignant mesothelioma Sjogren syndrome ulcerative colitis adrenal cortex carcinoma B-cell chronic lymphocytic leukemia Crohn disease invasive ductal breast carcinoma malignant glioma ovarian cancer plasma cell myeloma subependymal giant cell astrocytoma AIDS breast cancer cutaneous lupus erythematosus lung cancer malignant mesothelioma pilocytic astrocytoma psoriasis tuberculosis astrocytic tumor chronic kidney disease glioblastoma lung carcinoma osteosarcoma pituitary cancer

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.