KKI-5 (TFA) is a specific inhibitor of tissue kallikrein. KKI-5 (TFA) can attenuate breast cancer cell invasion[1].
[1]. Deshpande MS, et al. Mapping the binding site of tissue kallikrein: preparation and testing of all possible substrate analog inhibitors homologous with the sequence of kininogen between Ser386 and Gln392. J Med Chem. 1992 Aug 21;35(17):3094-102.
















