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ALS Work Using Scattering/Diffraction

These techniques make use of the patterns of light produced when x-rays are deflected by the closely spaced lattice of atoms in solids and are commonly used to determine the structures of crystals and large molecules such as proteins.

 

The Path of Messenger RNA through the Ribosome

Using x-ray crystallography, researchers directly observed the path of mRNA in the 70S ribosome in Fourier difference maps at 7 Å resolution. Image depicts the view down the crystallographic 4-fold axis of the 70S ribosome-mRNA-tRNA complex, showing the head-to-tail juxtaposition of the model mRNAs (red-orange) between adjacent ribosomes.  Read more »