| Mechanism | Inverting a |
|---|---|
| Clan | GH-L |
| 3D Structure Status | ( α / α ) 6 barrel |
| Catalytic Nucleophile/Base | Glu (experimental) |
| Catalytic Proton Donor | Glu (experimental) |
| Note | Although historically composed of anomeric-inverting glucosidases, a retaining mechanism has been molecularly revealed for transglucosylating dextran dextranases [PMID=40749827]. Although the catalytic machinery is similar for both enzyme categories, the rearrangement of the spatial position of one of the catalytic glutamates governs the reaction mechanism and outcome. |
| External resources | CAZypedia; Glucoamylase Page; PROSITE; |
| Statistics | GenBank accession (18843); Uniprot accession (84); PDB accession (30); 3D entries (11); cryst (1) |