1QK0 | pdb_00001qk0

CEL6A WITH A NON-HYDROLYSABLE CELLOTETRAOSE

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
B	d1qk0b_	Alpha and beta proteins (a/b)	7-stranded beta/alpha barrel	Glycosyl hydrolases family 6, cellulases	Glycosyl hydrolases family 6, cellulases	Cellobiohydrolase II (Cel6)	(Trichoderma reesei ) [TaxId: 51453 ],	SCOPe (2.08)
A	d1qk0a_	Alpha and beta proteins (a/b)	7-stranded beta/alpha barrel	Glycosyl hydrolases family 6, cellulases	Glycosyl hydrolases family 6, cellulases	Cellobiohydrolase II (Cel6)	(Trichoderma reesei ) [TaxId: 51453 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Glycosyl hydrolases family 6, cellulases	8043861	3001060	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Glycosyl hydrolases family 6, cellulases	8043861	3001060	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		e1qk0B1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: Epimerase	F:	ECOD (20:10:01)
A		e1qk0A1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: Epimerase	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.20.20.40	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	1, 4-beta cellobiohydrolase	CATH (4.3.0)
A	3.20.20.40	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	1, 4-beta cellobiohydrolase	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	CELLOBIOHYDROLASE CEL6A (FORMERLY CALLED CBH II)	hydrolase activity, acting on glycosyl bonds cellulose 1,4-beta-cellobiosidase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity binding polysaccharide binding cellulose binding carbohydrate binding identical protein binding protein 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	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR016288	1, 4-beta cellobiohydrolase	Family
A, B	IPR036434	1, 4-beta cellobiohydrolase superfamily	Homologous Superfamily
A, B	IPR000254	Cellulose-binding domain	Domain
A, B	IPR001524	Glycoside hydrolase, family 6, conserved site	Conserved Site
A, B	IPR035971	Cellulose-binding domain superfamily	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.