Glycoside Hydrolase Family 31

Activities in FamilyOligosaccharide α-4-glucosyltransferase (EC 2.4.1.161);
α-6-glucosyltransferase (EC 2.4.1.24);
α-3-isomaltosyltransferase / cycloalternan-forming enzyme (EC 2.4.1.387);
Exo-α-1,4-galactosidase (EC 3.2.1.-);
[retaining] oligo-α-1,6-glucosidase (EC 3.2.1.10);
Dextranase (EC 3.2.1.11);
α-xylosidase (EC 3.2.1.177);
Sulfoquinovosidase (EC 3.2.1.199);
α-glucosidase (EC 3.2.1.20);
[retaining] cycloalternan-specific α-1,3-glucosidase / α-1,3-isomaltosidase (EC 3.2.1.204);
Mannosyl-oligosaccharide α-1,3-glucosidase (EC 3.2.1.207);
Exo-acting protein-α-N-acetylgalactosaminidase (EC 3.2.1.217);
α-galactosidase (EC 3.2.1.22);
α-mannosidase (EC 3.2.1.24);
[retaining] sucrose α-glucosidase (EC 3.2.1.48);
Exo-α-1,3-glucanase / α-1,3-glucosidase (EC 3.2.1.84);
Exo-α-1,4-glucan lyase (EC 4.2.2.13);
Mechanism Retaining a
ClanGH-D
3D Structure Status( β / α ) 8 barrel
Catalytic Nucleophile/BaseAsp
Catalytic Proton DonorAsp
NoteSubfamily classification initiated by Arumapperuma et al. 2023 [PMID:36806678]
External resourcesCAZypedia; PROSITE;
Commercial Enzyme Provider(s)MEGAZYME;
Statistics GenBank accession (25246); Uniprot accession (164); PDB accession (163); 3D entries (36); cryst (0)


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