4.7 Article

Super-resolution force spectroscopy reveals ribosomal motion at sub-nucleotide steps

Journal

CHEMICAL COMMUNICATIONS
Volume 54, Issue 46, Pages 5883-5886

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c8cc02658k

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Funding

  1. US National Institutes of Health [R01GM111452]
  2. National Science Foundation [ECCS-1508845]
  3. Welch Foundation [E-1721]
  4. Texas Center for Superconductivity at the University of Houston (TcSUH)

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Probing biomolecular motion beyond a single nucleotide is technically challenging but fundamentally significant. We have developed super-resolution force spectroscopy (SURFS) with 0.5 pN force resolution and revealed that the ribosome moves by half a nucleotide upon the formation of the pre-translocation complex, which is beyond the resolution of other techniques.

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