Cell-permeable. A dipeptide that acts as a selective and reversible PPARγ antagonist (KD ~ 8 µM). Shown to inhibit the agonist activity of Rosiglitazone (100 nM) in a dose-dependent manner (IC 50 = 31.9 µM) in transfected COS-7 cells.http://www.creative-enzymes.com/product/PPAR-Antagonist-G3335_2666.html