Cathepsin D, Bovine Spleen
Native cathepsin D from bovine spleen. Cathepsin D is a major lysosomal aspartyl proteinase widely distributed in many cell types. It exists in two forms, a single polypeptide chain of 46 kDa, and a two-polypeptide chain form consisting of an H-chain of 34 kDa and an L-chain of 12 kDa.
产品信息
Form Lyophilized
Formulation Lyophilized from 2 mM sodium phosphate buffer, pH 6.5.
Molar mass 46000
Specific activity ≥400 units/mg protein
Unit definition One unit is defined as the amount of enzyme that will digest acid-denatured hemoglobin in 30 minutes, at 37°C, pH 3.3, releasing peptides soluble in TCA, as measured by an increase in absorbance of 0.5 at 280 nm.
Purity ≥95% by SDS-PAGE
Solubility H2O or 2 mM Sodium Phosphate Buffer, pH 6.5
EC number 3.4.23.5
CAS number 9025-26-7
商店和运输信息
Storage -20°C
Ship Ambient Temperature Only
Standard Handling |