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Literature summary extracted from

  • Ogasahara, K.; Imanishi, A.; Isemura, T.
    Studies on thermophilic alpha-amylase from Bacillus stearothermophilus. I. Some general and physico-chemical properties of thermophilic alpha-amylase (1970), J. Biochem., 67, 65-75.
    View publication on PubMed

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.2.1.1 Ca2+ contains one gatom of Ca2+ per mol of enzyme Geobacillus stearothermophilus

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.1 48000
-
 equilibrium sedimentation Geobacillus stearothermophilus

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.1 Geobacillus stearothermophilus
-
 Donk, strain BS-1
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.1 amylose + H2O
-
 Geobacillus stearothermophilus additional information
-
 ?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.1 65 73
-
 Geobacillus stearothermophilus

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.1.1 90
-
 pH 6.0, 17% loss of activity after 6 min, 80% loss of activity after 30 min Geobacillus stearothermophilus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.1 4.5 6.5 at 37°C Geobacillus stearothermophilus
3.2.1.1 5 6 at 60°C Geobacillus stearothermophilus

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
3.2.1.1 6 11 26°C, 30 min, stable Geobacillus stearothermophilus