The α-helical FXXΦΦ motif in p53: TAF interaction and discrimination by MDM2

Abstract excerpt

Transcriptional activation domains share little sequence homology and generally lack folded structures in the absence of their targets, aspects that have rendered activation domains difficult to characterize. Here, a combination of biochemical and nuclear magnetic resonance experiments demonstrates that the activation domain of the tumor suppressor p53 has an FXXPhiPhi motif (F, Phe; X, any amino acids; Phi,...

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