Annotations: 1NBC

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1nbcb_	All beta proteins	Common fold of diphtheria toxin/transcription factors/cytochrome f	Carbohydrate-binding domain	Cellulose-binding domain family III	Cellusomal scaffolding protein A, scaffoldin	(Acetivibrio thermocellus ) [TaxId: 1515 ],	SCOPe (2.08)
A	d1nbca_	All beta proteins	Common fold of diphtheria toxin/transcription factors/cytochrome f	Carbohydrate-binding domain	Cellulose-binding domain family III	Cellusomal scaffolding protein A, scaffoldin	(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)
B	SCOP2B Superfamily	Carbohydrate-binding domain	8040185	3000706	SCOP2B (2022-06-29)
A	SCOP2 Family	Cohesin domain-like	8027806	4002028	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Carbohydrate-binding domain	8040185	3000706	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)
B	Alpha-L-AF_C	e1nbcB1	A: a/b three-layered sandwiches	X: Phage tail fiber protein trimerization domain	H: beta-Prism I	T: beta-Prism I	F: Alpha-L-AF_C	ECOD (v294.1)
A	CBM_3	e1nbcA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Common fold of diphtheria toxin/transcription factors/cytochrome f	F: CBM_3	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.60.40.710	Mainly Beta	Sandwich	Immunoglobulin-like	Endoglucanase-like	CATH (4.3.0)
A	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	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	CELLULOSOMAL SCAFFOLDING PROTEIN A	binding polysaccharide binding cellulose binding carbohydrate binding hydrolase activity, acting on glycosyl bonds hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity	cellular component organization cell wall organization or biogenesis cell wall organization cellular process cellular component organization or biogenesis external encapsulating structure organization carbohydrate metabolic process catabolic process glucan catabolic process beta-glucan metabolic process carbohydrate catabolic process primary metabolic process macromolecule catabolic process polysaccharide metabolic process cellular component organization cell wall organization or biogenesis cell wall organization cellular process cellular component organization or biogenesis external encapsulating structure organization 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 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	IPR002105	Dockerin type I repeat	Repeat
A, B	IPR036966	Carbohydrate-binding module 3 superfamily	Homologous Superfamily
A, B	IPR016134	Dockerin domain	Domain
A, B	IPR001956	Carbohydrate-binding module 3	Domain
A, B	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
A, B	IPR008965	CBM2/CBM3, carbohydrate-binding domain superfamily	Homologous Superfamily
A, B	IPR008969	Carboxypeptidase-like, regulatory domain superfamily	Homologous Superfamily
A, B	IPR002102	Cellulosome anchoring protein, cohesin domain	Domain
A, B	IPR036439	Dockerin 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.