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3.2.1.59: glucan endo-1,3-alpha-glucosidase

This is an abbreviated version!
For detailed information about glucan endo-1,3-alpha-glucosidase, go to the full flat file.

Word Map on EC 3.2.1.59

Reaction

Nigeropentaose
+ 3 H2O = 2 nigerose +
alpha-D-glucopyranose

Synonyms

Agl-FH1, Agl-FH2, Agl-KA, AglST2, Agn1p, Agn2, Agn2p, alpha-1,3 endoglucanase, alpha-1,3-glucanase, alpha-1,3-glucanase HF65, alpha-1,3-glucanase HF90, cariogenanase, cariogenase, endo alpha-1,3-glucanase, endo-(1,3)-alpha-glucanase, endo-(1-->3)-alpha-glucanase, endo-(1-3)-alpha-glucanase, endo-1,3-alpha-D-glucanase, endo-1,3-alpha-glucanase, endo-alpha-1,3-glucanase, FH11, glucanase, endo-1,3-alpha-mutanase, MuB, MuC1, MuC2, mutanase, MutAp

ECTree

     3 Hydrolases
         3.2 Glycosylases
             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
                3.2.1.59 glucan endo-1,3-alpha-glucosidase

pH Range

pH Range on EC 3.2.1.59 - glucan endo-1,3-alpha-glucosidase

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pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
3 - 7
-
pH 3: 30% of optimum activity, pH 7: 20% of optimum activity
4 - 6.5
-
more than 60% activity between pH 4.0 and 6.5
4.5 - 7
-
4.5: about 35% of maximal activity, pH 7.0: about 60% of maximal activity
4.5 - 8
-
sharp decrease below pH 4.5, gradual decrease up to pH 8.0
4.5 - 8.5
-
pH 4.5: 40% of optimal activity, pH 8.5: 70% of optimal activity
5 - 7
-
the enzyme retains 80% of the original activity over a pH range of 5.0-7.0, however, the activity gradually decreases at a pH above 7.5