Purity: >98% (HPLC). Rev. inhibitor of aspartic proteinases, e.g. cathepsin D, renin, pepsin, bacterial aspartic proteinases and HIV protease. Soluble in MeOH or EtOH at 1 mg/ml, stable for 1 week at 4 °C. Eff. conc.: 1-5 µM.