Annotations: 6Q7I

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B [auth A]		e6q7iA1	A: alpha bundles	X: P-loop domains-like	H: a+b domain in acetyl-CoA synthetase-like proteins	T: a+b domain in acetyl-CoA synthetase-like proteins	F:	ECOD (develop294)
A [auth B]	Sigma70_r2,Sigma70_ner	e6q7iB1	A: alpha bundles	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Sigma70_r2,Sigma70_ner	ECOD (develop294)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B], B [auth A]	PF00933	Glycosyl hydrolase family 3 N terminal domain (Glyco_hydro_3)	Glycosyl hydrolase family 3 N terminal domain		Domain
A [auth B], B [auth A]	PF01915	Glycosyl hydrolase family 3 C-terminal domain (Glyco_hydro_3_C)	Glycosyl hydrolase family 3 C-terminal domain	This domain is involved in catalysis and may be involved in binding beta-glucan [1]. This domain is found associated with Pfam:PF00933.	Domain
A [auth B], B [auth A]	PF14310	Fibronectin type III-like domain (Fn3-like)	Fibronectin type III-like domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B], B [auth A]	Exo-1,4-beta-xylosidase xlnD	alpha-L-arabinofuranosidase activity hydrolase activity, acting on glycosyl bonds hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity xylanase activity xylan 1,4-beta-xylosidase activity	carbohydrate metabolic process catabolic process carbohydrate catabolic process primary metabolic process macromolecule catabolic process arabinan metabolic process arabinan catabolic process polysaccharide metabolic process polysaccharide catabolic process metabolic process cellular process macromolecule metabolic process xylan catabolic process hemicellulose catabolic process carbohydrate metabolic process catabolic process carbohydrate catabolic process primary metabolic process macromolecule catabolic process arabinan metabolic process arabinan catabolic process polysaccharide metabolic process polysaccharide catabolic process metabolic process cellular process macromolecule metabolic process xylan catabolic process hemicellulose catabolic process xylan metabolic process	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B], B [auth A]	IPR001764	Glycoside hydrolase, family 3, N-terminal	Domain
A [auth B], B [auth A]	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A [auth B], B [auth A]	IPR002772	Glycoside hydrolase family 3 C-terminal domain	Domain
A [auth B], B [auth A]	IPR044993	Beta-D-xylosidase	Family
A [auth B], B [auth A]	IPR036962	Glycoside hydrolase, family 3, N-terminal domain superfamily	Homologous Superfamily
A [auth B], B [auth A]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A [auth B], B [auth A]	IPR026891	Fibronectin type III-like domain	Domain
A [auth B], B [auth A]	IPR036881	Glycoside hydrolase family 3 C-terminal domain superfamily	Homologous Superfamily

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A [auth B], B [auth A]	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.