Fig. 8.
(A) Immunoprecipitation of supernatant and cell lysate proteins from resting (left and right panels, line 1) and anti-CD3–activated (left and right panels, line 2) 3DO cells. Line 3, inhibition of cell lysate immunoprecipitation by antagonist peptide. (B) Immunoprecipitation of supernatant and cell lysate from resting (line 1) and anti-CD3–activated (line 2) spleen cells. Resting and activated (anti-CD3, 1 μg/mL) cells were labeled with [3H] leucine. The immunoprecipitation was performed with anti-FasL–COOH antibody.