1RQ5

Structural Basis for the Exocellulase Activity of the Cellobiohydrolase CbhA from C. thermocellum

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

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1rq5a1	All alpha proteins	alpha/alpha toroid	Six-hairpin glycosidases	Cellulases catalytic domain	Cellulose 1,4-beta-cellobiosidase CbhA	(Acetivibrio thermocellus ) [TaxId: 1515 ],	SCOPe (2.08)
A	d1rq5a2	All beta proteins	Immunoglobulin-like beta-sandwich	E set domains	E-set domains of sugar-utilizing enzymes	Cellulose 1,4-beta-cellobiosidase CbhA, precatalytic domain	(Acetivibrio thermocellus ) [TaxId: 1515 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	E-set domains of sugar-utilizing enzymes	8054898	4007565	SCOP2 (2022-06-29)
A	SCOP2 Family	Cellulases catalytic domain	8055431	4001168	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	E set domains	8054899	3000070	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Six-hairpin glycosidases	8055432	3000970	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	CelD_N	e1rq5A1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: CelD_N	ECOD (1.6)
A	Glyco_hydro_9	e1rq5A2	A: alpha superhelices	X: Repetitive alpha hairpins	H: alpha/alpha toroid (From Topology)	T: alpha/alpha toroid	F: Glyco_hydro_9	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	1.50.10.10	Mainly Alpha	Alpha/alpha barrel	Glycosyltransferase		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00759	Glycosyl hydrolase family 9 (Glyco_hydro_9)	Glycosyl hydrolase family 9	-	Repeat
A	PF02927	Cellulase N-terminal ig-like domain (CelD_N)	Cellulase N-terminal ig-like domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Cellobiohydrolase	hydrolase activity, acting on glycosyl bonds cellulase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity binding polysaccharide binding cellulose binding carbohydrate binding cation binding ion binding metal ion binding small molecule binding	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	IPR002105	Dockerin type I repeat	Repeat
A	IPR036966	Carbohydrate-binding module 3 superfamily	Homologous Superfamily
A	IPR003305	Carbohydrate-binding, CenC-like	Domain
A	IPR016134	Dockerin domain	Domain
A	IPR001956	Carbohydrate-binding module 3	Domain
A	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
A	IPR008928	Six-hairpin glycosidase superfamily	Homologous Superfamily
A	IPR008965	CBM2/CBM3, carbohydrate-binding domain superfamily	Homologous Superfamily
A	IPR008979	Galactose-binding-like domain superfamily	Homologous Superfamily
A	IPR012341	Six-hairpin glycosidase-like superfamily	Homologous Superfamily
A	IPR018221	Glycoside hydrolase family 9, His active site	Active Site
A	IPR033126	Glycosyl hydrolases family 9, Asp/Glu active sites	Active Site
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR014756	Immunoglobulin E-set	Homologous Superfamily
A	IPR001701	Glycoside hydrolase family 9	Domain
A	IPR036439	Dockerin domain superfamily	Homologous Superfamily
A	IPR004197	Cellulase, Ig-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.