Annotations: 4IIB

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Fn3-like	e4iibB3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Fn3-like	ECOD (1.6)
B	Glyco_hydro_3	e4iibB1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Glyco_hydro_3	ECOD (1.6)
B	Glyco_hydro_3_C	e4iibB2	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Beta-D-glucan exohydrolase, C-terminal domain (From Topology)	T: Beta-D-glucan exohydrolase, C-terminal domain	F: Glyco_hydro_3_C	ECOD (1.6)
A	Fn3-like	e4iibA3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Fn3-like	ECOD (1.6)
A	Glyco_hydro_3	e4iibA1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Glyco_hydro_3	ECOD (1.6)
A	Glyco_hydro_3_C	e4iibA2	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Beta-D-glucan exohydrolase, C-terminal domain (From Topology)	T: Beta-D-glucan exohydrolase, C-terminal domain	F: Glyco_hydro_3_C	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.20.20.300	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycoside hydrolase, family 3, N-terminal domain	CATH (4.3.0)
B	3.40.50.1700	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Glycoside hydrolase family 3 C-terminal domain	CATH (4.3.0)
A	3.20.20.300	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycoside hydrolase, family 3, N-terminal domain	CATH (4.3.0)
A	3.40.50.1700	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Glycoside hydrolase family 3 C-terminal domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00933	Glycosyl hydrolase family 3 N terminal domain (Glyco_hydro_3)	Glycosyl hydrolase family 3 N terminal domain	-	Domain
A, B	PF01915	Glycosyl hydrolase family 3 C-terminal domain (Glyco_hydro_3_C)	Glycosyl hydrolase family 3 C-terminal domain	This domain is involved in catalysis and may be involved in binding beta-glucan [1]. This domain is found associated with Pfam:PF00933.	Domain
A, B	PF14310	Fibronectin type III-like domain (Fn3-like)	Fibronectin type III-like domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Beta-glucosidase 1	hydrolase activity, acting on glycosyl bonds glucosidase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity beta-glucosidase activity catalytic activity	carbohydrate metabolic process catabolic process glucan catabolic process beta-glucan metabolic process carbohydrate catabolic process primary metabolic process macromolecule catabolic process polysaccharide metabolic process glucan metabolic process beta-glucan catabolic process polysaccharide catabolic process metabolic process cellular process cellulose catabolic process carbohydrate metabolic process catabolic process glucan catabolic process beta-glucan metabolic process carbohydrate catabolic process primary metabolic process macromolecule catabolic process polysaccharide metabolic process glucan metabolic process beta-glucan catabolic process polysaccharide catabolic process metabolic process cellular process cellulose catabolic process macromolecule metabolic process cellulose metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR050288	Cellulose-degrading glycosyl hydrolase 3	Family
A, B	IPR001764	Glycoside hydrolase, family 3, N-terminal	Domain
A, B	IPR036962	Glycoside hydrolase, family 3, N-terminal domain superfamily	Homologous Superfamily
A, B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, B	IPR019800	Glycoside hydrolase, family 3, active site	Active Site
A, B	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A, B	IPR026891	Fibronectin type III-like domain	Domain
A, B	IPR036881	Glycoside hydrolase family 3 C-terminal domain superfamily	Homologous Superfamily
A, B	IPR002772	Glycoside hydrolase family 3 C-terminal 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.