Abstract
Biochemistry In rodents, a druglike small molecule named ISRIB enhances cognition and reverses cognitive deficits after traumatic brain injury. ISRIB activates a protein complex called eIF2B that is required for the synthesis of new proteins. Tsai et al. report the visualization of eIF2B bound to ISRIB at near-atomic resolution by cryo–electron microscopy. Biochemical studies revealed that ISRIB is a “molecular staple” that promotes assembly of the fully active form of eIF2B. Zyryanova et al. report similar structures together with information on the binding of ISRIB analogs and their effects on protein translation. Science , this issue p. [eaaq0939][1], p. [1533][2] [1]: /lookup/doi/10.1126/science.aaq0939 [2]: /lookup/doi/10.1126/science.aar5129
Published Version
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