Glycoside Hydrolase Family 20

Activities in Familyβ-hexosaminidase (EC; lacto-N-biosidase (EC; β-1,6-N-acetylglucosaminidase) (EC 3.2.1.-); β-6-SO3-N-acetylglucosaminidase (EC 3.2.1.-)
Mechanism Retaining
3D Structure Status( β / α ) 8
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 (4682); Uniprot accession (779); PDB accession (79); 3D entries (18); cryst (1)
All (4400) Archaea (4) Bacteria (4073) Eukaryota (312) Viruses (1) unclassified (10) Structure (18 - 1 cryst) Characterized (124)
| 1 | 2 | 3 | 4 |
Protein Name EC#OrganismGenBank UniprotPDB/3D
 Unknown (protein for MGC:186576)   Xenopus tropicalis AAI61740.1 B1WBF9  
 Unknown (protein for MGC:180661)   Xenopus tropicalis TGA IC AAI55389.1 A9JTL3  
 Unknown (MGC:185627 IMAGE:9008908)   Xenopus tropicalis TGA IC AAI61249.1 B1H351  
 β-N-acetylglucosaminidase   Xestia c-nigrum ACR57832.1 C5IBZ5  
 unknown   Zea mays ACG25422.1 B6SKN9  
 Zm.1436 (ZmExo1;LOC100281192)   Zea mays ACG27987.1 B6ST04  
 unknown   Zea mays B73 ACN36154.1 C0PLT8  
 exochitinase 2 (Zm.15748;ZmExo2;LOC100280178;ZM_BFb0204B20) Zea mays B73 ACF87335.1
 ZT1A5_G6783   Zymoseptoria tritici ST99CH_1A5 SMY25341.1    
 ZT1E4_G6865   Zymoseptoria tritici ST99CH_1E4 SMR53952.1    
 ZT3D1_G6780   Zymoseptoria tritici ST99CH_3D1 SMR56158.1    
 ZT3D7_G6854   Zymoseptoria tritici ST99CH_3D7 SMQ51701.1    

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