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Small molecule derails translation initiation

Eukaryotic initiation factor (eIF) 4A plays an essential role in translation initiation on most eukaryotic mRNAs by unwinding their secondary structure to permit ribosomal attachment and scanning. The natural product hippuristanol selectively inhibited eIF4A- and eIF4A-dependent modes of translation initiation.

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Figure 1: Models of eIF4A-dependent and eIF4A-independent mechanisms of translation initiation.

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Pestova, T., Hellen, C. Small molecule derails translation initiation. Nat Chem Biol 2, 176–177 (2006). https://doi.org/10.1038/nchembio0406-176

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