Plasma kallikrein-IN-3, a potent inhibitor ( IC 50 : 0.15 μM) of plasma kallikrein, finds application in research related to hereditary angioedema, diabetic macular edema, and diabetic retinopathy [1].
Picromycin is a 14-membered macrolide antibiotic and Prolyl endopeptidase (PREP) inhibitor. Pikromycin shows activity against gram-positive bacteria including mycobacteria.