Annotations: 1JS4

ENDO/EXOCELLULASE:CELLOBIOSE FROM THERMOMONOSPORA

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
Structure Motif: Primary M-CSA Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1js4b1	All alpha proteins	alpha/alpha toroid	Six-hairpin glycosidases	Cellulases catalytic domain	Endo/exocellulase:cellobiose E-4, N-terminal domain	(Thermobifida fusca ) [TaxId: 2021 ],	SCOPe (2.08)
B	d1js4b2	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	(Thermobifida fusca ) [TaxId: 2021 ],	SCOPe (2.08)
A	d1js4a1	All alpha proteins	alpha/alpha toroid	Six-hairpin glycosidases	Cellulases catalytic domain	Endo/exocellulase:cellobiose E-4, N-terminal domain	(Thermobifida fusca ) [TaxId: 2021 ],	SCOPe (2.08)
A	d1js4a2	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	(Thermobifida fusca ) [TaxId: 2021 ],	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	8040189	3000706	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Six-hairpin glycosidases	8038371	3000970	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Six-hairpin glycosidases	8038371	3000970	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Carbohydrate-binding domain	8040189	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	Ldl_recept_b	e1js4B1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Ldl_recept_b	ECOD (v295.2)
B	Ank+Ank_2+Ank_4	e1js4B2	A: alpha arrays	X: Urease, gamma-subunit	H: Urease, gamma-subunit	T: Urease, gamma-subunit	F: Ank+Ank_2+Ank_4	ECOD (v295.2)
A	Ldl_recept_b	e1js4A1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Ldl_recept_b	ECOD (v295.2)
A	Ank+Ank_2+Ank_4	e1js4A2	A: alpha arrays	X: Urease, gamma-subunit	H: Urease, gamma-subunit	T: Urease, gamma-subunit	F: Ank+Ank_2+Ank_4	ECOD (v295.2)

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)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	ENDO/EXOCELLULASE E4	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	IPR012291	CBM2, carbohydrate-binding domain superfamily	Homologous Superfamily
A, B	IPR036966	Carbohydrate-binding module 3 superfamily	Homologous Superfamily
A, B	IPR001956	Carbohydrate-binding module 3	Domain
A, B	IPR008928	Six-hairpin glycosidase superfamily	Homologous Superfamily
A, B	IPR003961	Fibronectin type III	Domain
A, B	IPR018366	Carbohydrate-binding type-2, conserved site	Conserved Site
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	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, B	IPR001701	Glycoside hydrolase family 9	Domain
A, B	IPR001919	Carbohydrate-binding type-2 domain	Domain
A, B	IPR036116	Fibronectin type III superfamily	Homologous Superfamily

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

Chains	Enzyme Name	Description	Catalytic Residues
A	cellulase (GH9) M-CSA #559	Cellulase E4 from Thermomonospora is both exo- and endo- cellulases, catalysing the hydrolysis of cellulose. It contains both a family 9 catalytic domain, exhibiting an (alpha/apha)₆ barrel fold and a family III cellulose binding domain, having an antiparallel beta-sandwich fold.	Defined by 4 residues: ASP:A-55ASP:A-58TYR:A-206GLU:A-424 \| Explore in 3D: M-CSA Motif Definition Search M-CSA Motif EC: 3.2.1.4 (PDB Primary Data) Search M-CSA Motif + EC 3.2.1.4

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

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.