Known Activities	β-hexosaminidase (EC 3.2.1.52); lacto-N-biosidase (EC 3.2.1.140); β-1,6-N-acetylglucosaminidase) (EC 3.2.1.-); β-6-SO3-N-acetylglucosaminidase (EC 3.2.1.-)
Mechanism	Retaining
Clan	GH-K
3D Structure Status	( β / α ) 8
Catalytic Nucleophile/Base	carbonyl oxygen of C-2 acetamido group of substrate
Catalytic Proton Donor	Glu
External resources	HEXAdb; HEXBdb; HOMSTRAD; InterPro; PFAM; PRINTS; Tay-Sachs Disease;
Statistics	GenBank accession (1007); Uniprot accession (419); PDB accession (27); 3D entries (7); cryst (0)