Immunoprecipitation

ZL Zhe Liu
DH Douglas R. Hurst
XQ Xing Qu
LL Li-Guang Lu
CW Chen-Zhou Wu
YL Yu-Yu Li
YL Yi Li
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Cells were lysed and incubated with 4E-BP1 antibody overnight at 4 °C. Protein G Sepharose 4 Fast Flow (Sigma-Aldrich) was added, and the solutions were gently mixed. 4E-BP1 was immunoprecipitated from 12,000×g supernatants. Samples were subjected to Western blotting using eIF4E antibody to assess the association of 4E-BP1 with eIF4E. The results were normalized to the amount of 4E-BP1.

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