Glycoside Hydrolase Family 20

Activities in Familyβ-1,6-N-acetylglucosaminidase (EC 3.2.1.-);
β-N-acetyl-6-sulfo-glucosaminidase (EC 3.2.1.-);
Lacto-N-biosidase (EC 3.2.1.140);
β-N-acetylhexosaminidase (EC 3.2.1.52);
Mannosyl-glycoprotein endo-β-N-acetylglucosaminidase (EC 3.2.1.96);
Mechanism Retaining e
ClanGH-K
3D Structure Status( β / α ) 8 barrel
Catalytic Nucleophile/Basecarbonyl oxygen of C-2 acetamido group of substrate
Catalytic Proton DonorGlu
External resourcesCAZypedia; HOMSTRAD; PRINTS; Tay-Sachs Disease;
Commercial Enzyme Provider(s)MEGAZYME;
Statistics GenBank accession (19664); Uniprot accession (182); PDB accession (113); 3D entries (32); cryst (0)
unclassified
Protein Name EC#OrganismGenBank UniprotPDB/3D
 GH20, β-hexosaminidase   uncultured organism VDS02511.1    
 GH20, β-hexosaminidase   uncultured organism VDS02583.1    
 GH20, β-hexosaminidase   uncultured organism VDS02713.1    
 GH20, Betα-hexosaminidase   uncultured organism VDS02509.1    
 GH20, Betα-hexosaminidase   uncultured organism VDS02456.1    
 GH20, Betα-hexosaminidase   uncultured organism VDS02579.1    
 GH20, Betα-hexosaminidase   uncultured organism VDS02715.1    
 CG20, Betα-hexosaminidase   uncultured organism VDS02538.1    
 GH20, Betα-hexosaminidase   uncultured organism VDS02700.1    
 GH20, Betα-hexosaminidase   uncultured organism VDS02534.1    
 GH20, Betα-hexosaminidase   uncultured organism VDS02709.1    
 β-glucuronidase (SN243) (fragment)   uncultured organism UTM04208.1    
 ORF   uncultured organism AGU10258.1    
 ORF   uncultured organism AGU10321.1    
 ORF   uncultured organism AGU11377.1    
 ORF   uncultured organism AGU12191.1    
 β-N-acetylglucosaminidase (25_1) 3.2.1.52 uncultured organism AGU10374.1    
 ORF (fragment)   uncultured prokaryote CRY94531.1    
 ORF (fragment)   uncultured prokaryote CRY96086.1    
 ORF (fragment)   uncultured prokaryote CRY95831.1    
 ORF (fragment)   uncultured prokaryote CRY95832.1    
 ORF   uncultured prokaryote CRY94532.1    
 MM415B02376_0004   viral metagenome QJA90430.1    
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