EC Number |
Reaction |
Reference |
---|
3.2.1.3 | (alpha-D-glucopyranosyl-(1-4))n-alpha-D-glucopyranose + H2O = (alpha-D-glucopyranosyl-(1-4))n-1-alpha-D-glucopyranose + beta-D-glucopyranose |
- |
- |
3.2.1.3 | (alpha-D-glucopyranosyl-(1-4))n-alpha-D-glucopyranose + H2O = (alpha-D-glucopyranosyl-(1-4))n-1-alpha-D-glucopyranose + beta-D-glucopyranose |
active site structure, catalytic residue is Tyr464, catalytic domain and raw starch binding site |
-, 664910 |
3.2.1.3 | (alpha-D-glucopyranosyl-(1-4))n-alpha-D-glucopyranose + H2O = (alpha-D-glucopyranosyl-(1-4))n-1-alpha-D-glucopyranose + beta-D-glucopyranose |
cleavage of alpha-1,4-linkages is preferred to cleavage of alpha-1,6-linkages |
-, 664391 |
3.2.1.3 | (alpha-D-glucopyranosyl-(1-4))n-alpha-D-glucopyranose + H2O = (alpha-D-glucopyranosyl-(1-4))n-1-alpha-D-glucopyranose + beta-D-glucopyranose |
mode of action |
-, 665931 |
3.2.1.3 | (alpha-D-glucopyranosyl-(1-4))n-alpha-D-glucopyranose + H2O = (alpha-D-glucopyranosyl-(1-4))n-1-alpha-D-glucopyranose + beta-D-glucopyranose |
reaction mechanism depends on the substrate, i.e. hydrolysis or transglycosylation, overview |
663696 |
3.2.1.3 | (alpha-D-glucopyranosyl-(1-4))n-alpha-D-glucopyranose + H2O = (alpha-D-glucopyranosyl-(1-4))n-1-alpha-D-glucopyranose + beta-D-glucopyranose |
residue Trp622 is important in substrate binding rather than in determination of pH optimum, and probably does not interact with the catalytic base |
-, 665334 |
3.2.1.3 | (alpha-D-glucopyranosyl-(1-4))n-alpha-D-glucopyranose + H2O = (alpha-D-glucopyranosyl-(1-4))n-1-alpha-D-glucopyranose + beta-D-glucopyranose |
structure-function relationship, ligand binding |
663981 |
3.2.1.3 | (alpha-D-glucopyranosyl-(1-4))n-alpha-D-glucopyranose + H2O = (alpha-D-glucopyranosyl-(1-4))n-1-alpha-D-glucopyranose + beta-D-glucopyranose |
the enzyme catalyses the cleavage of alpha-1,4- and alpha-1,6-glycosidic bonds. Glucoamylases use a classical acid/base Koshland-type inverting mechanism, releasing alpha-glucose from the nonreducing end of an alpha-glucan chain |
-, 749503 |
3.2.1.3 | (alpha-D-glucopyranosyl-(1-4))n-alpha-D-glucopyranose + H2O = (alpha-D-glucopyranosyl-(1-4))n-1-alpha-D-glucopyranose + beta-D-glucopyranose |
the enzyme from Aspergillus tritici strain WZ99 degrades alpha-1,4 glucoside linkages faster than alpha-1,6 glucoside linkages |
-, 750771 |