Annotations: 5Y0V

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Glyco_hydro_20	e5y0vA2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Glyco_hydro_20	ECOD (1.6)
A	Glycohydro_20b2	e5y0vA1	A: mixed a+b and a/b	X: Zincin-like	H: beta-N-acetylhexosaminidase-like domain (From Topology)	T: beta-N-acetylhexosaminidase-like domain	F: Glycohydro_20b2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.379.10	Alpha Beta	2-Layer Sandwich	Chitobiase	domain 2	CATH (4.3.0)
A	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	PF14845	beta-acetyl hexosaminidase like (Glycohydro_20b2)	beta-acetyl hexosaminidase like	-	Domain
A	PF00728	Glycosyl hydrolase family 20, catalytic domain (Glyco_hydro_20)	Glycosyl hydrolase family 20, catalytic domain	This domain has a TIM barrel fold.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Beta-hexosaminidase	hydrolase activity, acting on glycosyl bonds hexosaminidase activity beta-N-acetylhexosaminidase activity beta-N-acetylglucosaminidase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity	carbohydrate derivative catabolic process catabolic process carbohydrate derivative metabolic process chitin metabolic process aminoglycan catabolic process macromolecule catabolic process glucosamine-containing compound catabolic process amino sugar catabolic process aminoglycan metabolic process amino sugar metabolic process metabolic process macromolecule metabolic process chitin catabolic process glucosamine-containing compound metabolic process carbohydrate derivative catabolic process catabolic process carbohydrate derivative metabolic process chitin metabolic process aminoglycan catabolic process macromolecule catabolic process glucosamine-containing compound catabolic process amino sugar catabolic process aminoglycan metabolic process amino sugar metabolic process metabolic process macromolecule metabolic process chitin catabolic process glucosamine-containing compound metabolic process glycosaminoglycan metabolic process sphingolipid catabolic process ganglioside catabolic process glycolipid metabolic process cellular lipid catabolic process cellular catabolic process ceramide catabolic process amide metabolic process membrane lipid metabolic process ceramide metabolic process glycosphingolipid catabolic process lipid catabolic process glycosphingolipid metabolic process cellular metabolic process liposaccharide metabolic process primary metabolic process sphingolipid metabolic process membrane lipid catabolic process glycolipid catabolic process cellular lipid metabolic process cellular process ganglioside metabolic process lipid metabolic process carbohydrate metabolic process polysaccharide metabolic process polysaccharide catabolic process carbohydrate catabolic process	cell periphery plasma membrane membrane cellular anatomical entity membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle lytic vacuole vacuole cytoplasm intracellular membrane-bounded organelle lysosome

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR029019	Beta-hexosaminidase, eukaryotic type, N-terminal	Domain
A	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A	IPR029018	Beta-hexosaminidase-like, domain 2	Homologous Superfamily
A	IPR015883	Glycoside hydrolase family 20, catalytic domain	Domain
A	IPR025705	Beta-hexosaminidase	Family

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.