4XUY

Crystal structure of an endo-beta-1,4-xylanase (glycoside hydrolase family 10/GH10) enzyme from Aspergillus niger

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
Protein Modification Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4xuya_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	(Trans)glycosidases	beta-glycanases	automated matches	(Aspergillus niger CBS 513.88 ) [TaxId: 425011 ],	SCOPe (2.08)
B	d4xuyb_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	(Trans)glycosidases	beta-glycanases	automated matches	(Aspergillus niger CBS 513.88 ) [TaxId: 425011 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	beta-glycanases	8066730	4003164	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	(Trans)glycosidases	8066731	3000313	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	(Trans)glycosidases	8066731	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_10	e4xuyA1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Glyco_hydro_10	ECOD (1.6)
B	Glyco_hydro_10	e4xuyB1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Glyco_hydro_10	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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00331	Glycosyl hydrolase family 10 (Glyco_hydro_10)	Glycosyl hydrolase family 10	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Probable endo-1,4-beta-xylanase C	xylanase activity hydrolase activity, acting on glycosyl bonds endo-1,4-beta-xylanase 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 polysaccharide catabolic process metabolic 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 polysaccharide catabolic process metabolic process cellular process macromolecule metabolic process cell wall polysaccharide metabolic process cell wall macromolecule metabolic process cell wall polysaccharide catabolic process	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR044846	Glycoside hydrolase family 10	Family
A, B	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A, B	IPR001000	Glycoside hydrolase family 10 domain	Domain
A, B	IPR031158	Glycosyl hydrolases family 10, active site	Active Site

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B	PCA	Parent Component: GLN RESID: AA0031 PSI-MOD : 2-pyrrolidone-5-carboxylic acid (Gln) MOD:00040 , 2-pyrrolidone-5-carboxylic acid (Glu) MOD:00420

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.