Figure 5From: The PEST sequence does not contribute to the stability of the cystic fibrosis transmembrane conductance regulatorTreatment with Proteasome Inhibitors. Transiently transfected COS-1 cells were treated with (+) or without (-) 2 μM MG-132. The cells were subsequently lysed and subjected to immunoblot analysis (monoclonal antibody against the A52 tag).Back to article page