CD3δ clone-5 and CD3δ/gp78 clone-20 cells with a knockdown of either p97/VCP or Ufd1 were pulse-labeled with a mixture of l-[35S]methionine and l-[35S]cysteine (Redivue™ Pro-mix l-[35S] in vitro cell labeling mix, GE HealthCare) at a concentration of 200 μCi/ml for 30...