1ISX

Crystal structure of xylanase from Streptomyces olivaceoviridis E-86 complexed with xylotriose

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	d1isxa1	All beta proteins	beta-Trefoil	Ricin B-like lectins	Ricin B-like	Xylan binding domain, CBM13 (Endo-1,4-beta-xylanase C-terminal domain)	(Streptomyces olivaceoviridis ) [TaxId: 1921 ],	SCOPe (2.08)
A	d1isxa2	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	(Trans)glycosidases	beta-glycanases	Xylanase A, catalytic core	(Streptomyces olivaceoviridis ) [TaxId: 1921 ],	SCOPe (2.08)
B	d1isxb1	All beta proteins	beta-Trefoil	Ricin B-like lectins	Ricin B-like	Xylan binding domain, CBM13 (Endo-1,4-beta-xylanase C-terminal domain)	(Streptomyces olivaceoviridis ) [TaxId: 1921 ],	SCOPe (2.08)
B	d1isxb2	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	(Trans)glycosidases	beta-glycanases	Xylanase A, catalytic core	(Streptomyces olivaceoviridis ) [TaxId: 1921 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Ricin B-like lectins	8035529	3000678	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	(Trans)glycosidases	8035532	3000313	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Ricin B-like lectins	8035529	3000678	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	(Trans)glycosidases	8035532	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	PF00652	e1isxA1	A: beta duplicates or obligate multimers	X: beta-Trefoil (From Topology)	H: beta-Trefoil (From Topology)	T: beta-Trefoil	F: PF00652	ECOD (1.6)
A	PF00331	e1isxA2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF00331	ECOD (1.6)
B	PF00652	e1isxB1	A: beta duplicates or obligate multimers	X: beta-Trefoil (From Topology)	H: beta-Trefoil (From Topology)	T: beta-Trefoil	F: PF00652	ECOD (1.6)
B	PF00331	e1isxB2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF00331	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.80.10.50	Mainly Beta	Trefoil	Trefoil (Acidic Fibroblast Growth Factor, subunit A)		CATH (4.3.0)
A	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
B	2.80.10.50	Mainly Beta	Trefoil	Trefoil (Acidic Fibroblast Growth Factor, subunit A)		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
A, B	PF00652	Ricin-type beta-trefoil lectin domain (Ricin_B_lectin)	Ricin-type beta-trefoil lectin domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	endo-1,4-beta-D-xylanase	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 catabolic process carbohydrate catabolic process primary metabolic process macromolecule catabolic process polysaccharide metabolic process organic substance metabolic process polysaccharide catabolic process metabolic process macromolecule metabolic process organic substance catabolic process	-

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	IPR035992	Ricin B-like lectins	Homologous Superfamily
A, B	IPR001000	Glycoside hydrolase family 10 domain	Domain
A, B	IPR031158	Glycosyl hydrolases family 10, active site	Active Site
A, B	IPR000772	Ricin B, lectin domain	Domain

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.