| Activities in Family | [retaining] α-glucoside phosphorylase (EC 2.4.1.-); [retaining] α-maltosyltransferase (EC 2.4.1.-); [retaining] α-transglucosidase / α-glucosyltransferase (EC 2.4.1.-); [retaining] acarviosyltransferase (EC 2.4.1.-); α-1,4-glucan synthase (EC 2.4.1.-); α-1,6-maltooligosyltransferase (EC 2.4.1.-); α-glucosyltransferase (EC 2.4.1.-); Oligosaccharide α-4-glucosyltransferase (EC 2.4.1.161); [retaining] α-1,4-glucan branching enzyme (EC 2.4.1.18); [retaining] cyclomaltodextrin glucanotransferase (EC 2.4.1.19); [retaining] 4-α-glucanotransferase / amylomaltase (EC 2.4.1.25); [retaining] sucrose 6(F)-phosphate phosphorylase (EC 2.4.1.329); Glucosylglycerate phosphorylase (EC 2.4.1.352); [retaining] glucosylglycerol phosphorylase (EC 2.4.1.359); [retaining] amylosucrase (EC 2.4.1.4); [retaining] sucrose phosphorylase (EC 2.4.1.7); α-1,4-glucan: phosphate α-maltosyltransferase (EC 2.4.99.16); [retaining] cyclic α-1,6-maltosyl-maltose hydrolase (EC 3.2.1.-); [retaining] maltopentaose-producing α-amylase (EC 3.2.1.-); Palatinase (EC 3.2.1.-); [retaining] α-amylase (EC 3.2.1.1); [retaining] oligo-α-1,6-glucosidase (EC 3.2.1.10); [retaining] maltotriose-producing α-amylase (EC 3.2.1.116); [retaining] maltogenic α-amylase (EC 3.2.1.133); [retaining] neopullulanase (EC 3.2.1.135); [retaining] maltooligosyltrehalose trehalohydrolase (EC 3.2.1.141); α-glucosidase (EC 3.2.1.20); α,α-trehalase (EC 3.2.1.28); [retaining] pullulanase (EC 3.2.1.41); [retaining] sucrose α-glucosidase (EC 3.2.1.48); [retaining] cyclomaltodextrinase (EC 3.2.1.54); [retaining] maltotetraose-producing α-amylase (EC 3.2.1.60); Isoamylase (EC 3.2.1.68); Glucodextranase (EC 3.2.1.70); [retaining] a,α-trehalose-6-phosphate hydrolase (EC 3.2.1.93); [retaining] maltohexaose-producing α-amylase (EC 3.2.1.98); [retaining] isomaltulose synthase / sucrose isomerase / sucrose glucosylmutase (EC 5.4.99.11); Malto-oligosyltrehalose synthase (EC 5.4.99.15); Trehalose synthase / maltose glucosylmutase (EC 5.4.99.16); |
|---|---|
| Mechanism | Retaining a |
| Clan | GH-H |
| 3D Structure Status | ( β / α ) 8 barrel |
| Catalytic Nucleophile/Base | Asp (experimental) |
| Catalytic Proton Donor | Glu (experimental) |
| Note | New: many members have been assigned to subfamilies as described by Stam et al. (2006) Protein Eng Des Sel. 19, 555-562 (PMID: 17085431) |
| External resources | CAZypedia; EBI Protein of the Month; HOMSTRAD; PDB Molecule of the Month; PRINTS; |
| Commercial Enzyme Provider(s) | MEGAZYME; PROZOMIX; |
| Statistics | GenBank accession (171561); Uniprot accession (957); PDB accession (653); 3D entries (159); cryst (2) |