Or evaluation of drugs and screening of potential inhibitors to pepsin proteases. Safe. Non-radioactive assay. Homogeneous and Homogenous “Mix-incubate-measure” type assay. No wash and reagent transfer steps are involved. Robust and High-throughput. Can be readily automated to assay thousands of samples per day. Robust assay with a Z’ factor of > 0.7. Method: FL485/530nm or FP485/530nm; Samples: Compounds that affect pepsin activity; Procedures: 45 min