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Literature summary for 3.2.1.20 extracted from

  • Yamasaki, Y.; Suzuki, Y.
    Two forms of alpha-glucosidase from rice seeds at the milky stage (1980), Agric. Biol. Chem., 44, 707-715.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
AlCl3
-
Oryza sativa
Ba2+ BaCl2 Oryza sativa
Ca2+
-
Oryza sativa
Cd(NO3)2
-
Oryza sativa
Cu2+ Cu(CH3COO)2 Oryza sativa
EDTA
-
Oryza sativa
Hg2+ HgCl2 Oryza sativa
iodoacetic acid
-
Oryza sativa
Mg2+ MgCl2 Oryza sativa
Ni2+ NiCl2 Oryza sativa
Pb2+ Pb(CH3COO)2 Oryza sativa
SnCl2
-
Oryza sativa
turanose
-
Oryza sativa
Zn2+ ZnCl2 Oryza sativa

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
47300
-
alpha-glucosidase II, low speed equilibrium sedimentation Oryza sativa
78900
-
alpha-glucosidase I, low speed equilibrium sedimentation Oryza sativa

Organism

Organism UniProt Comment Textmining
Oryza sativa
-
L. cultivar Yashiromochi
-

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein alpha-glucosidase I contains 5.5% neutral sugar, alpha-glucosidase II contains 3.4% neutral sugar Oryza sativa

Purification (Commentary)

Purification (Comment) Organism
alpha-glucosidase I and II Oryza sativa

Source Tissue

Source Tissue Comment Organism Textmining
seed
-
Oryza sativa
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
47.13
-
-
Oryza sativa

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37 55
-
Oryza sativa

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
30
-
glucosidase I and II, 15 min, stable up to Oryza sativa

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4
-
-
Oryza sativa

pH Stability

pH Stability pH Stability Maximum Comment Organism
4 5.5 30°C, 20 h, stable, glucosidase I and II Oryza sativa