Annotations: 2I3E

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2i3ea1	Alpha and beta proteins (a+b)	LigT-like	LigT-like	automated matches	automated matches	goldfish (Carassius auratus ) [TaxId: 7957 ],	SCOPe (2.08)
A	d2i3ea2	Artifacts	Tags	Tags	Tags	N-terminal Tags	goldfish (Carassius auratus ) [TaxId: 7957 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	2' 3'-cyclic nucleotide 3'-phosphodiesterase catalytic domain	8077325	4001421	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	LigT-like	8077326	3001408	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)
A	CNPase	e2i3eA1	A: beta barrels	X: LigT-like	H: LigT-related (From Topology)	T: LigT-related	F: CNPase	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.1740.10	Alpha Beta	Alpha-Beta Complex	2',3'-cyclic nucleotide 3'-phosphodiesterase fold	2',3'-cyclic nucleotide 3'-phosphodiesterase superfamily	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF05881	2',3'-cyclic nucleotide 3'-phosphodiesterase (CNP or CNPase) (CNPase)	2',3'-cyclic nucleotide 3'-phosphodiesterase (CNP or CNPase)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	G-RICH	phosphoric ester hydrolase activity hydrolase activity, acting on ester bonds phosphoric diester hydrolase activity hydrolase activity 2',3'-cyclic-nucleotide 3'-phosphodiesterase activity cyclic-nucleotide phosphodiesterase activity catalytic activity	catabolic process organophosphate catabolic process nucleoside phosphate catabolic process cyclic nucleotide metabolic process nucleobase-containing compound metabolic process organic substance metabolic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process small molecule metabolic process phosphorus metabolic process nucleotide catabolic process nucleoside phosphate metabolic process cellular metabolic process primary metabolic process catabolic process organophosphate catabolic process nucleoside phosphate catabolic process cyclic nucleotide metabolic process nucleobase-containing compound metabolic process organic substance metabolic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process small molecule metabolic process phosphorus metabolic process nucleotide catabolic process nucleoside phosphate metabolic process cellular metabolic process primary metabolic process cyclic nucleotide catabolic process nucleotide metabolic process organic cyclic compound catabolic process nucleobase-containing compound catabolic process organic cyclic compound metabolic process organophosphate metabolic process metabolic process cellular process organic substance catabolic process	membrane cellular anatomical entity membrane-bounded organelle intracellular anatomical structure pigment granule intracellular vesicle intracellular membrane-bounded organelle intracellular organelle melanosome cytoplasmic vesicle organelle cytoplasm vesicle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR047325	Cyclic nucleotide phosphodiesterase, catalytic domain	Domain
A	IPR009097	Cyclic phosphodiesterase	Homologous Superfamily
A	IPR008431	Cyclic nucleotide phosphodiesterase	Family

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.