Annotations: 4IIB

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Rhodanese	e4iibA2	A: alpha bundles	X: Transmembrane heme-binding four-helical bundle	H: Anticodon-binding domain of Class II aaRS	T: Anticodon-binding domain of Class II aaRS	F: Rhodanese	ECOD (develop294)
A	Bromodomain	e4iibA1	A: alpha bundles	X: Transmembrane heme-binding four-helical bundle	H: Anticodon-binding domain of Class II aaRS	T: Anticodon-binding domain of Class II aaRS	F: Bromodomain	ECOD (develop294)
B	Rhodanese	e4iibB2	A: alpha bundles	X: Transmembrane heme-binding four-helical bundle	H: Anticodon-binding domain of Class II aaRS	T: Anticodon-binding domain of Class II aaRS	F: Rhodanese	ECOD (develop294)
B	Bromodomain	e4iibB1	A: alpha bundles	X: Transmembrane heme-binding four-helical bundle	H: Anticodon-binding domain of Class II aaRS	T: Anticodon-binding domain of Class II aaRS	F: Bromodomain	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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)
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)

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