4C8X

Crystal structure of carbohydrate-binding module CBM3b mutant (Y56S) from the cellulosomal cellobiohydrolase 9A from Clostridium 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	d4c8xa_	All beta proteins	Common fold of diphtheria toxin/transcription factors/cytochrome f	Carbohydrate-binding domain	automated matches	automated matches	(Acetivibrio thermocellus ATCC 27405 ) [TaxId: 203119 ],	SCOPe (2.08)
B	d4c8xb_	All beta proteins	Common fold of diphtheria toxin/transcription factors/cytochrome f	Carbohydrate-binding domain	automated matches	automated matches	(Acetivibrio thermocellus ATCC 27405 ) [TaxId: 203119 ],	SCOPe (2.08)
C	d4c8xc_	All beta proteins	Common fold of diphtheria toxin/transcription factors/cytochrome f	Carbohydrate-binding domain	automated matches	automated matches	(Acetivibrio thermocellus ATCC 27405 ) [TaxId: 203119 ],	SCOPe (2.08)
D	d4c8xd_	All beta proteins	Common fold of diphtheria toxin/transcription factors/cytochrome f	Carbohydrate-binding domain	automated matches	automated matches	(Acetivibrio thermocellus ATCC 27405 ) [TaxId: 203119 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Carbohydrate-binding domain	8084493	3000706	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Carbohydrate-binding domain	8084493	3000706	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Carbohydrate-binding domain	8084493	3000706	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Carbohydrate-binding domain	8084493	3000706	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)
A	PF00942	e4c8xA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Common fold of diphtheria toxin/transcription factors/cytochrome f	F: PF00942	ECOD (1.6)
B	PF00942	e4c8xB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Common fold of diphtheria toxin/transcription factors/cytochrome f	F: PF00942	ECOD (1.6)
C	PF00942	e4c8xC1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Common fold of diphtheria toxin/transcription factors/cytochrome f	F: PF00942	ECOD (1.6)
D	PF00942	e4c8xD1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Common fold of diphtheria toxin/transcription factors/cytochrome f	F: PF00942	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.710	Mainly Beta	Sandwich	Immunoglobulin-like	Endoglucanase-like	CATH (4.3.0)
B	2.60.40.710	Mainly Beta	Sandwich	Immunoglobulin-like	Endoglucanase-like	CATH (4.3.0)
C	2.60.40.710	Mainly Beta	Sandwich	Immunoglobulin-like	Endoglucanase-like	CATH (4.3.0)
D	2.60.40.710	Mainly Beta	Sandwich	Immunoglobulin-like	Endoglucanase-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00942	Cellulose binding domain (CBM_3)	Cellulose binding domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	CELLULOSE 1,4-BETA-CELLOBIOSIDASE	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 organic substance metabolic process glucan metabolic process beta-glucan catabolic process polysaccharide catabolic process metabolic 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 organic substance metabolic process glucan metabolic process beta-glucan catabolic process polysaccharide catabolic process metabolic process cellulose catabolic process macromolecule metabolic process organic substance catabolic process cellulose metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR002105	Dockerin type I repeat	Repeat
A, B, C, D	IPR036966	Carbohydrate-binding module 3 superfamily	Homologous Superfamily
A, B, C, D	IPR003305	Carbohydrate-binding, CenC-like	Domain
A, B, C, D	IPR016134	Dockerin domain	Domain
A, B, C, D	IPR001956	Carbohydrate-binding module 3	Domain
A, B, C, D	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
A, B, C, D	IPR008928	Six-hairpin glycosidase superfamily	Homologous Superfamily
A, B, C, D	IPR008965	CBM2/CBM3, carbohydrate-binding domain superfamily	Homologous Superfamily
A, B, C, D	IPR008979	Galactose-binding-like domain superfamily	Homologous Superfamily
A, B, C, D	IPR012341	Six-hairpin glycosidase-like superfamily	Homologous Superfamily
A, B, C, D	IPR018221	Glycoside hydrolase family 9, His active site	Active Site
A, B, C, D	IPR033126	Glycosyl hydrolases family 9, Asp/Glu active sites	Active Site
A, B, C, D	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, B, C, D	IPR014756	Immunoglobulin E-set	Homologous Superfamily
A, B, C, D	IPR001701	Glycoside hydrolase family 9	Domain
A, B, C, D	IPR036439	Dockerin domain superfamily	Homologous Superfamily
A, B, C, D	IPR004197	Cellulase, Ig-like domain	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.