4EIB | pdb_00004eib

Crystal Structure of Circular Permuted CBM21 (CP90) Gives Insight into the Altered Selectivity on Carbohydrate Binding.

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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	Starch-binding domain-like	8092808	3000816	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Starch-binding domain-like	8092808	3000816	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	CBM_21	e4eibB2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: CBM_21	ECOD (1.6)
A	CBM_21	e4eibA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: CBM_21	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.60.40.2440	Mainly Beta	Sandwich	Immunoglobulin-like	Carbohydrate binding type-21 domain	CATH (4.3.0)
A	2.60.40.2440	Mainly Beta	Sandwich	Immunoglobulin-like	Carbohydrate binding type-21 domain	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Glucoamylase	alpha-glucosidase activity hydrolase activity, acting on glycosyl bonds glucosidase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity glucan 1,4-alpha-glucosidase activity cation binding ion binding binding metal ion binding small molecule binding	carbohydrate metabolic process polysaccharide metabolic process catabolic process polysaccharide catabolic process carbohydrate catabolic process metabolic process cellular process primary metabolic process macromolecule metabolic process macromolecule catabolic process	membrane-bounded organelle storage vacuole intracellular anatomical structure lytic vacuole vacuole intracellular membrane-bounded organelle fungal-type vacuole intracellular organelle cellular anatomical structure organelle cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR012341	Six-hairpin glycosidase-like superfamily	Homologous Superfamily
A, B	IPR000165	Glucoamylase	Family
A, B	IPR046966	Glucoamylase, active site	Conserved Site
A, B	IPR005036	CBM21 (carbohydrate binding type-21) domain	Domain
A, B	IPR008928	Six-hairpin glycosidase superfamily	Homologous Superfamily
A, B	IPR038175	CBM21 domain superfamily	Homologous Superfamily
A, B	IPR011613	GH15-like domain	Domain

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.