1BF2 | pdb_00001bf2

STRUCTURE OF PSEUDOMONAS ISOAMYLASE

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
Structure Motif: Primary M-CSA Annotation

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	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 Family	E-set domains of sugar-utilizing enzymes	8054932	4007565	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)
A	SCOP2 Superfamily	E set domains	8054933	3000070	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	cation binding ion binding binding metal ion binding small molecule binding hydrolase activity, acting on glycosyl bonds hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity isoamylase activity	carbohydrate metabolic process primary metabolic process metabolic process cellular process	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
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	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A	IPR048644	Isoamylase, C-terminal	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 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.