CYSTATIN;CYSTEINE PROTEASE INHIBITOR;CYSTATIN, EGG WHITE;OVOCYSTATIN;COLLODION USP;Proteinase inhibitor, cystatin;Cystatin from chicken egg white;cystatin from egg white
0.1 M phosphate pH 6.5: 20 mg/L, very slightly hazy, colorless
form
lyophilized powder
Description
Inhibitor of cysteine proteases, including papain and dipeptidyl peptidase III. Effective concentration equimolar with protease. A docking model has been proposed for the mechanism of inhibition of papain.
