A tale of two roads into protein unfolding Phys.Org
Using nuclear magnetic resonance spectroscopy, a technique that provides detailed information on the structure, composition, state, and chemical environment of molecules, and small-angle X-ray scattering, which informs on the shape and size of ...
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Inside a high-stakes experiment in protein crystallization
Phys.Org
(The other is nuclear magnetic resonance spectroscopy.) Crystallography starts with crystalsâ??comprising hundreds of thousands of protein molecules, packed together like a three-dimensional wall of bricks. By bombarding a crystal with X-rays, and using ...
Inside a high-stakes experiment in protein crystallization - Phys.Org
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Researcher among best in protein modeling contests
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Phys.Org
But changes in the protein NMR spectra are small and weak, so finding out whether the trick worked wasn't straightforward. "At first, we didn't know what we were looking at. It appeared to us as uncertainty in the data, and it was extremely time ...
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Measuring modified protein structures - Phys.Org
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Phys.Org
Although there is a series of techniques to study structurally modified proteins, such as x-ray crystallography, nuclear magnetic resonance spectroscopy and other spectroscopic techniques, they cannot be used to analyse complex biological samples.
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Phys.Org
Scientists also use nuclear magnetic resonance imaging to solve structures. And coming in at a distant third is a technique called single-particle cryoelectron microscopy (cryo-EM), in which a macromolecule is immobilized in a thin film of vitrified ...
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Mapping of unfolding states of integral helical membrane proteins by GPS-NMR and scattering techniques: TFE-induced unfolding of KcsA in DDM surfactant
Mapping of unfolding states of integral helical membrane proteins by GPS-NMR and scattering techniques: TFE-induced unfolding of KcsA in DDM surfactant
September 2012
Publication year: 2012
Source:Biochimica et Biophysica Acta (BBA) - Biomembranes, Volume 1818, Issue 9</br>
</br>
Membrane proteins are vital for biological function, and their action is governed by structural properties critically depending on their interactions with the membranes. This has motivated considerable interest in studies of membrane protein folding and unfolding. Here the structural changes...
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