Annotations: 1BF2

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1bf2a1	All beta proteins	Immunoglobulin-like beta-sandwich	E set domains	E-set domains of sugar-utilizing enzymes	Isoamylase, N-terminal domain N	(Pseudomonas sp. 'amyloderamosa ) [TaxId: 32043 ],	SCOPe (2.08)
A	d1bf2a2	All beta proteins	Glycosyl hydrolase domain	Glycosyl hydrolase domain	alpha-Amylases, C-terminal beta-sheet domain	Isoamylase	(Pseudomonas sp. 'amyloderamosa ) [TaxId: 32043 ],	SCOPe (2.08)
A	d1bf2a3	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	(Trans)glycosidases	Amylase, catalytic domain	Isoamylase, central domain	(Pseudomonas sp. 'amyloderamosa ) [TaxId: 32043 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	E-set domains of sugar-utilizing enzymes	8054932	4007565	SCOP2 (2022-06-29)
A	SCOP2 Family	alpha-Amylases C-terminal beta-sheet domain	8030528	4002636	SCOP2 (2022-06-29)
A	SCOP2 Family	Amylase catalytic domain	8030956	4003138	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	E set domains	8054933	3000070	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Glycosyl hydrolase domain-like	8042907	3001528	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	(Trans)glycosidases	8043335	3000313	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	CBM_48	e1bf2A1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: CBM_48	ECOD (1.6)
A	glgX_debranch_like	e1bf2A2	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: glgX_debranch_like	ECOD (1.6)
A	Alpha-amylase	e1bf2A3	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Alpha-amylase	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
A	2.60.40.1180	Mainly Beta	Sandwich	Immunoglobulin-like	Golgi alpha-mannosidase II	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02922	Carbohydrate-binding module 48 (Isoamylase N-terminal domain) (CBM_48)	Carbohydrate-binding module 48 (Isoamylase N-terminal domain)	This domain is found in a range of enzymes that act on branched substrates - isoamylase, pullulanase and branching enzyme. This family also contains the beta subunit of 5' AMP activated kinase.	Domain
A	PF21331	Isoamylase, C-terminal (Isoamylase_C)	Isoamylase, C-terminal	Isoamylase from Pseudomonas amyloderamosa hydrolyses alpha-1,6-glucosidic linkages of amylopectin and glycogen. It consists of three domains: the N-terminal (Pfam:PF02922), the catalytic domain (Pfam:PF00128) and the C-terminal all-beta domain, prese ...	Isoamylase from Pseudomonas amyloderamosa hydrolyses alpha-1,6-glucosidic linkages of amylopectin and glycogen. It consists of three domains: the N-terminal (Pfam:PF02922), the catalytic domain (Pfam:PF00128) and the C-terminal all-beta domain, presented in this entry [1].	Domain
A	PF00128	Alpha amylase, catalytic domain (Alpha-amylase)	Alpha amylase, catalytic domain	Alpha amylase is classified as family 13 of the glycosyl hydrolases. The structure is an 8 stranded alpha/beta barrel containing the active site, interrupted by a ~70 a.a. calcium-binding domain protruding between beta strand 3 and alpha helix 3, a ...	Alpha amylase is classified as family 13 of the glycosyl hydrolases. The structure is an 8 stranded alpha/beta barrel containing the active site, interrupted by a ~70 a.a. calcium-binding domain protruding between beta strand 3 and alpha helix 3, and a carboxyl-terminal Greek key beta-barrel domain.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	ISOAMYLASE	hydrolase activity, acting on glycosyl bonds hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity isoamylase activity cation binding ion binding binding metal ion binding small molecule binding	carbohydrate metabolic process organic substance metabolic process primary metabolic process metabolic process macromolecule metabolic process	extracellular region cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A	IPR048644	Isoamylase, C-terminal	Domain
A	IPR006047	Glycosyl hydrolase, family 13, catalytic domain	Domain
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR014756	Immunoglobulin E-set	Homologous Superfamily
A	IPR044505	Glycogen debranching enzyme GlgX/isoamylase, N-terminal Early set domain	Domain
A	IPR013780	Glycosyl hydrolase, all-beta	Homologous Superfamily
A	IPR004193	Glycoside hydrolase, family 13, N-terminal	Domain

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

Chains	Enzyme Name	Description	Catalytic Residues
A	isoamylase M-CSA #421	Isoamylase (glycogen 6-glucanohydrolase, EC 3.2.1.68) is one of the starch-debranching enzymes that catalyses the hydrolysis of alpha-1,6-glucosidic linkages specific in alpha-glucans such as amylopectin or glycogen. Belongs to Glycoside Hydrolase Family 13.	Defined by 8 residues: ASP:A-128GLU:A-229THR:A-230ASN:A-232ASP:A-259ASP:A-375GLU:A-435ASP:A-510 \| Explore in 3D: M-CSA Motif Definition Search M-CSA Motif EC: 3.2.1.68 (PDB Primary Data) Search M-CSA Motif + EC 3.2.1.68

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.