4QAK

Crystal structure of phosphoesterase

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)
A	d4qaka_	Alpha and beta proteins (a+b)	LigT-like	LigT-like	automated matches	automated matches	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
B	d4qakb_	Alpha and beta proteins (a+b)	LigT-like	LigT-like	automated matches	automated matches	(Escherichia coli K-12 ) [TaxId: 83333 ],	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'-5' RNA ligase LigT	8086043	4000652	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	LigT-like	8086044	3001408	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	LigT-like	8086044	3001408	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	2_5_RNA_ligase2_1	e4qakA1	A: beta barrels	X: LigT-like	H: LigT-related (From Topology)	T: LigT-related	F: 2_5_RNA_ligase2_1	ECOD (1.6)
B	2_5_RNA_ligase2_1	e4qakB1	A: beta barrels	X: LigT-like	H: LigT-related (From Topology)	T: LigT-related	F: 2_5_RNA_ligase2_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.1140.10	Alpha Beta	Alpha-Beta Complex	Cyclic Phosphodiesterase	Chain: A,	CATH (4.3.0)
B	3.90.1140.10	Alpha Beta	Alpha-Beta Complex	Cyclic Phosphodiesterase	Chain: A,	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF13563	2'-5' RNA ligase superfamily (2_5_RNA_ligase2)	2'-5' RNA ligase superfamily	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	2'-5'-RNA ligase	phosphoric ester hydrolase activity hydrolase activity, acting on ester bonds phosphoric diester hydrolase activity RNA 2',3'-cyclic 3'-phosphodiesterase activity hydrolase activity catalytic activity 2',3'-cyclic-nucleotide 3'-phosphodiesterase activity cyclic-nucleotide phosphodiesterase activity	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR009097	Cyclic phosphodiesterase	Homologous Superfamily
A, B	IPR004175	RNA 2',3'-cyclic phosphodiesterase	Family

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.