JCS -- Imhof et al. 121 (13): 2265 Figure IG2

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Fig. 2. The tetraspanin protein CD9 alters the stability of the processed forms of transmembrane TGF ${alpha}$ . CHO cells expressing TGF ${alpha}$ or coexpressing CD9 and TGF ${alpha}$ were ³⁵S-Met–³⁵S-Cys pulse-labeled for 12 minutes, chased for times indicated, lysed and subjected to immunoprecipitation with anti-TGF ${alpha}$ antibodies. (A) SDS-PAGE analyses of immunoprecipitated ³⁵S-labeled TGF ${alpha}$ . (B) Quantification of the transmembrane TGF ${alpha}$ bands as a function of the chase time.