Key Highlights
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A new NMR method called BRAIN-CP/WCPMG-MAS uses special pulses to achieve uniform signal enhancement across a very wide range of frequencies, even when the sample is spinning slowly. This breakthrough allows scientists to study complex materials, like those with ultra-broad NMR signals, with much greater clarity and detail.
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Researchers have engineered a system that can incorporate up to five different types of synthetic, non-natural amino acids into a single protein within mammalian cells. This massively expands the chemical toolkit for proteins, enabling scientists to create custom-designed molecules to probe and control specific biological pathways in living systems.
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The proline-rich domain of the important tumor suppressor protein p53 is highly flexible and lacks a fixed 3D shape, behaving as an “intrinsically disordered region.” This inherent flexibility is crucial because it allows p53 to interact with a wide variety of other molecules, which is key to its role in controlling cell growth and preventing cancer.
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A new type of “dual-acidic” liquid solvent uses two different kinds of acid sites working together to selectively pull nitrogen-containing molecules out of mixtures. This cooperative action, involving both proton transfer and metal coordination, provides a powerful and versatile new method for separating complex chemical compounds.
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