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Recent studies have revealed that large numbers of non-coding RNAs are transcribed in humans, but only a few of them have been identified with their functions. Identification of the interaction target RNAs of the non-coding RNAs is an important step in predicting their functions. The current experimental methods to identify RNA–RNA interactions, however,(More)
Recent experimental and theoretical studies suggest that rates and pathways of protein folding are largely decided by topology of the native structures, at least for small proteins. However, some exceptions are known; for example, protein L and protein G have the same topology, but exhibit different characteristics of the TSE. Thus, folding pathways of some(More)
Hexameric ring-shaped AAA+ molecular motors have a key function of active translocation of a macromolecular chain through the central pore. By performing multiscale molecular dynamics (MD) simulations, we revealed that HslU, a AAA+ motor in a bacterial homologue of eukaryotic proteasome, translocates its substrate polypeptide via paddling mechanism during(More)
Internal cavities are important elements in protein structure, dynamics, stability and function. Here we use NMR spectroscopy to investigate the binding of molecular oxygen (O2) to cavities in a well-studied model for ligand binding, the L99A mutant of T4 lysozyme. On increasing the O2 concentration to 8.9 mM, changes in (1)H, (15)N, and (13)C chemical(More)
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