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Literature summary for 3.2.1.2 extracted from

  • Okamoto, K.; Akazawa, T.
    Purification of alpha- and beta-amylase from endosperm tissues of germinating rice seeds (1978), Agric. Biol. Chem., 42, 1379-1384.
No PubMed abstract available

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
53000
-
x * 53000, SDS-PAGE Oryza sativa

Organism

Organism UniProt Comment Textmining
Oryza sativa
-
L. var. Kimmaze
-

Purification (Commentary)

Purification (Comment) Organism
multiple forms Oryza sativa

Source Tissue

Source Tissue Comment Organism Textmining
seed endosperm Oryza sativa
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Oryza sativa
300
-
-
Oryza sativa

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
amylopectin + H2O
-
Oryza sativa beta-maltose + ?
-
?
additional information no hydrolysis of beta-limit dextrin Oryza sativa ?
-
?
starch + H2O potato starch Oryza sativa maltose + ?
-
?

Subunits

Subunits Comment Organism
? x * 53000, SDS-PAGE Oryza sativa

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
70
-
15 min, stable Oryza sativa

pH Stability

pH Stability pH Stability Maximum Comment Organism
3.7
-
stable Oryza sativa