1PX8

Crystal structure of beta-D-xylosidase from Thermoanaerobacterium saccharolyticum, a family 39 glycoside hydrolase

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	d1px8a1	All beta proteins	Glycosyl hydrolase domain	Glycosyl hydrolase domain	Composite domain of glycosyl hydrolase families 5, 30, 39 and 51	Beta-D-xylosidase	(Thermoanaerobacterium saccharolyticum ) [TaxId: 28896 ],	SCOPe (2.08)
A	d1px8a2	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	(Trans)glycosidases	beta-glycanases	Beta-D-xylosidase, catalytic domain	(Thermoanaerobacterium saccharolyticum ) [TaxId: 28896 ],	SCOPe (2.08)
B	d1px8b1	All beta proteins	Glycosyl hydrolase domain	Glycosyl hydrolase domain	Composite domain of glycosyl hydrolase families 5, 30, 39 and 51	Beta-D-xylosidase	(Thermoanaerobacterium saccharolyticum ) [TaxId: 28896 ],	SCOPe (2.08)
B	d1px8b2	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	(Trans)glycosidases	beta-glycanases	Beta-D-xylosidase, catalytic domain	(Thermoanaerobacterium saccharolyticum ) [TaxId: 28896 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Glycosyl hydrolase domain-like	8041800	3001528	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Glycosyl hydrolase domain-like	8041800	3001528	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	(Trans)glycosidases	8041803	3000313	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Glycosyl hydrolase domain-like	8041800	3001528	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Glycosyl hydrolase domain-like	8041800	3001528	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	(Trans)glycosidases	8041803	3000313	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	Glyco_hydro_39_2nd	e1px8A1	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: Glyco_hydro_39_2nd	ECOD (1.6)
A	Glyco_hydro_3	e1px8A2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Glyco_hydro_3	ECOD (1.6)
B	Glyco_hydro_39_2nd	e1px8B1	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: Glyco_hydro_39_2nd	ECOD (1.6)
B	Glyco_hydro_3	e1px8B2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Glyco_hydro_3	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.1500	Mainly Beta	Sandwich	Immunoglobulin-like	Glycosyl hydrolase domain	CATH (4.3.0)
A	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
B	2.60.40.1500	Mainly Beta	Sandwich	Immunoglobulin-like	Glycosyl hydrolase domain	CATH (4.3.0)
B	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01229	Glycosyl hydrolases family 39 (Glyco_hydro_39)	Glycosyl hydrolases family 39	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Beta-xylosidase	xylanase activity hydrolase activity, acting on glycosyl bonds xylan 1,4-beta-xylosidase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity	carbohydrate metabolic process xylan catabolic process catabolic process hemicellulose metabolic process cell wall organization or biogenesis carbohydrate catabolic process hemicellulose catabolic process primary metabolic process macromolecule catabolic process cell wall macromolecule catabolic process xylan metabolic process polysaccharide metabolic process organic substance metabolic process polysaccharide catabolic process carbohydrate metabolic process xylan catabolic process catabolic process hemicellulose metabolic process cell wall organization or biogenesis carbohydrate catabolic process hemicellulose catabolic process primary metabolic process macromolecule catabolic process cell wall macromolecule catabolic process xylan metabolic process polysaccharide metabolic process organic substance metabolic process polysaccharide catabolic process metabolic process cellular process macromolecule metabolic process cell wall polysaccharide metabolic process organic substance catabolic process cell wall macromolecule metabolic process cell wall polysaccharide catabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR049166	Glycosyl hydrolases family 39, N-terminal catalytic domain	Domain
A, B	IPR000514	Glycoside hydrolase, family 39	Family
A, B	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A, B	IPR049165	Glycosyl hydrolases family 39, active site	Active Site

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.