α-Amylase Inhibitor from Triticum aestivum (wheat seed) Type I, lyophilized powder Sigma A1520
Packaging
1, 5, 25 mg in glass 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 |