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Literature summary for 3.2.1.20 extracted from

  • Matsusaka, K.; Chiba, S.; Shimomura, T.
    Purification and substrate specificity of brewer's yeast alpha-glucosidase (1977), Agric. Biol. Chem., 41, 1917-1923.
No PubMed abstract available
Search for more literature for 3.2.1.20

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.8
-
 phenyl alpha-glucoside alpha-glucosidase II Saccharomyces cerevisiae
2.8
-
 Phenyl alpha-maltoside alpha-glucosidase II Saccharomyces cerevisiae
2.9
-
 phenyl alpha-glucoside alpha-glucosidase I Saccharomyces cerevisiae
3.6
-
 phenyl alpha-glucoside alpha-glucosidase III Saccharomyces cerevisiae
6.2
-
 maltotriose alpha-glucosidase II Saccharomyces cerevisiae
11.7
-
 turanose alpha-glucosidase II Saccharomyces cerevisiae
14.3
-
 maltotriose alpha-glucosidase III Saccharomyces cerevisiae
14.3
-
 Phenyl alpha-maltoside alpha-glucosidase III Saccharomyces cerevisiae
14.3
-
 maltose alpha-glucosidase II Saccharomyces cerevisiae
16.6
-
 sucrose alpha-glucosidase II Saccharomyces cerevisiae
20
-
 nigerose alpha-glucosidase II Saccharomyces cerevisiae
28.6
-
 isomaltose alpha-glucosidase I Saccharomyces cerevisiae
30.3
-
 turanose alpha-glucosidase III Saccharomyces cerevisiae
50
-
 methyl-alpha-glucoside alpha-glucosidase I Saccharomyces cerevisiae
71.4
-
 sucrose alpha-glucosidase III Saccharomyces cerevisiae
71.4
-
 maltose alpha-glucosidase III Saccharomyces cerevisiae
100
-
 maltose alpha-glucosidase III Saccharomyces cerevisiae

Organism

Organism UniProt Comment Textmining
Saccharomyces cerevisiae
-
-
-

Purification (Commentary)

Purification (Comment) Organism
alpha-glucosidase I, II and III Saccharomyces cerevisiae

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
isomaltose + H2O hydrolyzed by alpha-maltosidase I, no activity with alpha-glucosidase II and III Saccharomyces cerevisiae 2 alpha-D-glucose
-
 ?
maltose + H2O hydrolyzed by alpha-glucosidase II and III, no activity with alpha-glucosidase I Saccharomyces cerevisiae alpha-D-glucose + D-glucose
-
 ?
maltotriose + H2O hydrolyzed by alpha-glucosidase II and III, no activity with alpha-glucosidase I Saccharomyces cerevisiae maltose + D-glucose
-
 ?
methyl-alpha-glucoside + H2O hydrolysis with alpha-glucosidase I, no activity with alpha-glucosidase II and III Saccharomyces cerevisiae methanol + alpha-D-glucose
-
 ?
nigerose + H2O hydrolyzed by alpha-glucosidase II and III, no activity with alpha-glucosidase I Saccharomyces cerevisiae 2 alpha-D-glucose
-
 ?
phenyl alpha-D-glucoside + H2O
-
 Saccharomyces cerevisiae phenol + alpha-D-glucose
-
 ?
phenyl alpha-glucoside + H2O
-
 Saccharomyces cerevisiae alpha-D-glucose + phenol
-
 ?
phenyl alpha-maltoside + H2O hydrolyzed by alpha-glucosidase II and III, no activity with alpha-glucosidase I Saccharomyces cerevisiae alpha-D-glucose + phenyl alpha-D-glucoside
-
 ?
sucrose + H2O hydrolyzed by alpha-glucosidase II and III, no activity with alpha-glucosidase I Saccharomyces cerevisiae D-fructose + alpha-D-glucose
-
 ?
turanose + H2O hydrolyzed by alpha-glucosidase II and III, no activity with alpha-glucosidase I Saccharomyces cerevisiae alpha-D-glucose + D-fructose
-
 ?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
36
-
 alpha-glucosidase III Saccharomyces cerevisiae
42
-
 alpha-glucosidase I and II Saccharomyces cerevisiae

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.3 7.1
-
 Saccharomyces cerevisiae