3WY4

Crystal structure of alpha-glucosidase mutant E271Q in complex with maltose

External Resource: Annotation

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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Glycosyl hydrolase domain-like	8100990	3001528	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	(Trans)glycosidases	8097870	3000313	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Glycosyl hydrolase domain-like	8100990	3001528	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)
B	Malt_amylase_C	e3wy4B2	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: Malt_amylase_C	ECOD (1.6)
B	Alpha-amylase	e3wy4B1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Alpha-amylase	ECOD (1.6)
A	Malt_amylase_C	e3wy4A1	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: Malt_amylase_C	ECOD (1.6)
A	Alpha-amylase	e3wy4A2	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)
B	3.90.400.10	Alpha Beta	Alpha-Beta Complex	Oligo-1,6-glucosidase	domain 2	CATH (4.3.0)
B	2.60.40.1180	Mainly Beta	Sandwich	Immunoglobulin-like	Golgi alpha-mannosidase II	CATH (4.3.0)
A	3.90.400.10	Alpha Beta	Alpha-Beta Complex	Oligo-1,6-glucosidase	domain 2	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, B	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
A, B	PF16657	Maltogenic Amylase, C-terminal domain (Malt_amylase_C)	Maltogenic Amylase, C-terminal domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Alpha-glucosidase	alpha-glucosidase activity hydrolase activity, acting on glycosyl bonds glucosidase activity alpha-1,4-glucosidase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity amylase activity alpha-amylase activity cation binding ion binding binding metal ion binding small molecule binding	carbohydrate metabolic process catabolic process oligosaccharide catabolic process oligosaccharide metabolic process carbohydrate catabolic process primary metabolic process metabolic process cellular process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR006047	Glycosyl hydrolase, family 13, catalytic domain	Domain
A, B	IPR045857	Oligo-1,6-glucosidase, domain 2	Homologous Superfamily
A, B	IPR032091	Maltogenic amylase-like, C-terminal	Domain
A, B	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A, B	IPR013780	Glycosyl hydrolase, all-beta	Homologous Superfamily

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.