Research
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This study reveals the presence of gas-phase chloric and perchloric acids in the Arctic atmosphere.
Read more: Widespread detection of chlorine oxyacids in the Arctic atmosphere
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The sequence TC5 (TCCCCC) adopts a tetrameric i-motif structure upon the association of four molecules at acidic pH. Researchers from the IQFR-CSIC and McGill have found that T(araF-C)5 forms an alternative conformation.
Read more: An unprecedented i-motif DNA structure stabilized by F···H hydrogen bonds
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The protein Tau acts to stabilize microtubules but forma aberrant tangles in Alzheimer’s disease. This process appears to start from an expanded monomeric conformation.
Read more: Role for an Expanded Conformation of Monomeric Tau in Starting its Amyloidogenesis.
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Lectins from fungal fruiting bodies face the biologically relevant challenge of discriminating self- from non-self carbohydrate structures, therefore providing the basis for an innate defense system.
Read more: A new β-trefoil at atomic resolution: its role in the fungal innate immune system.
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Certain sequences of our genome can adopt an unusual structure, known as i-DNA, which is able to change its structure to adapt to the environmental pH.
