α-Amylase Inhibitor from Triticum aestivum (wheat seed) Type III, lyophilized powder Sigma A3535
Packaging
1, 5 mg in serum bottle
Unit Definition
One unit will reduce the activity of two units of α-amylase (A0521) by 50% after pre-incubation at 25 °C.
Physical form
Lyophilized powder containing buffer salts as sodium phosphate
Biochem/physiol Actions
Competitive inhibitor of human salivary α-amylase. KI = 2.9 nM, compared to a KM of 5.9 mM (calculated per mole of α-1,4-linked maltose residues).
Характеристики реактива | |
storage temp. | −20°C |