Annotations: 4U3A

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4u3aa_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	(Trans)glycosidases	automated matches	automated matches	(Acetivibrio thermocellus ATCC 27405 ) [TaxId: 203119 ],	SCOPe (2.08)
B	d4u3ab_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	(Trans)glycosidases	automated matches	automated matches	(Acetivibrio thermocellus ATCC 27405 ) [TaxId: 203119 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Cellulase	e4u3aA1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Cellulase	ECOD (1.6)
B	Cellulase	e4u3aB1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Cellulase	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
B	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Endoglucanase H	hydrolase activity, acting on glycosyl bonds cellulase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity	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	IPR002105	Dockerin type I repeat	Repeat
A, B	IPR005087	Carbohydrate binding module family 11	Domain
A, B	IPR016134	Dockerin domain	Domain
A, B	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A, B	IPR036439	Dockerin domain superfamily	Homologous Superfamily
A, B	IPR022790	Glycosyl hydrolase family 26 domain	Domain
A, B	IPR001547	Glycoside hydrolase, family 5	Domain
A, B	IPR018087	Glycoside hydrolase, family 5, conserved site	Conserved Site
A, B	IPR008979	Galactose-binding-like domain superfamily	Homologous Superfamily

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.