1GA2 | pdb_00001ga2

THE CRYSTAL STRUCTURE OF ENDOGLUCANASE 9G FROM CLOSTRIDIUM CELLULOLYTICUM COMPLEXED WITH CELLOBIOSE

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)
B	d1ga2b1	All alpha proteins	alpha/alpha toroid	Six-hairpin glycosidases	Cellulases catalytic domain	Endo/exocellulase:cellobiose E-4, N-terminal domain	(Ruminiclostridium cellulolyticum ) [TaxId: 1521 ],	SCOPe (2.08)
B	d1ga2b2	All beta proteins	Common fold of diphtheria toxin/transcription factors/cytochrome f	Carbohydrate-binding domain	Cellulose-binding domain family III	Endo/exocellulase:cellobiose E-4, C-terminal domain	(Ruminiclostridium cellulolyticum ) [TaxId: 1521 ],	SCOPe (2.08)
A	d1ga2a1	All alpha proteins	alpha/alpha toroid	Six-hairpin glycosidases	Cellulases catalytic domain	Endo/exocellulase:cellobiose E-4, N-terminal domain	(Ruminiclostridium cellulolyticum ) [TaxId: 1521 ],	SCOPe (2.08)
A	d1ga2a2	All beta proteins	Common fold of diphtheria toxin/transcription factors/cytochrome f	Carbohydrate-binding domain	Cellulose-binding domain family III	Endo/exocellulase:cellobiose E-4, C-terminal domain	(Ruminiclostridium cellulolyticum ) [TaxId: 1521 ],	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	8044444	3000706	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Six-hairpin glycosidases	8044443	3000970	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Six-hairpin glycosidases	8044443	3000970	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Carbohydrate-binding domain	8044444	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)
B	Alpha-L-AF_C	e1ga2B1	A: alpha bundles	X: Cloacin translocation domain	H: beta-Prism I	T: beta-Prism I	F: Alpha-L-AF_C	ECOD (develop294)
B	Ank+Ank_2+Ank_4	e1ga2B2	A: alpha bundles	X: EGF-like	H: Ankyrin repeat	T: Ankyrin repeat	F: Ank+Ank_2+Ank_4	ECOD (develop294)
A	Alpha-L-AF_C	e1ga2A1	A: alpha bundles	X: Cloacin translocation domain	H: beta-Prism I	T: beta-Prism I	F: Alpha-L-AF_C	ECOD (develop294)
A	Ank+Ank_2+Ank_4	e1ga2A2	A: alpha bundles	X: EGF-like	H: Ankyrin repeat	T: Ankyrin repeat	F: Ank+Ank_2+Ank_4	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.50.10.10	Mainly Alpha	Alpha/alpha barrel	Glycosyltransferase		CATH (4.3.0)
B	2.60.40.710	Mainly Beta	Sandwich	Immunoglobulin-like	Endoglucanase-like	CATH (4.3.0)
A	1.50.10.10	Mainly Alpha	Alpha/alpha barrel	Glycosyltransferase		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
A, B	PF00759	Glycosyl hydrolase family 9 (Glyco_hydro_9)	Glycosyl hydrolase family 9	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	ENDOGLUCANASE 9G	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	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	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	IPR008928	Six-hairpin glycosidase superfamily	Homologous Superfamily
A, B	IPR008965	CBM2/CBM3, carbohydrate-binding domain superfamily	Homologous Superfamily
A, B	IPR012341	Six-hairpin glycosidase-like superfamily	Homologous Superfamily
A, B	IPR018221	Glycoside hydrolase family 9, His active site	Active Site
A, B	IPR033126	Glycosyl hydrolases family 9, Asp/Glu active sites	Active Site
A, B	IPR001701	Glycoside hydrolase family 9	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.