853 results found
    1. Structural Biology and Molecular Biophysics

    Promiscuous binding by Hsp70 results in conformational heterogeneity and fuzzy chaperone-substrate ensembles

    Rina Rosenzweig et al.
    Multiple chaperone binding sites on substrates suggest a mechanism by which the Hsp70 chaperone can circumvent kinetic traps in protein folding.
    1. Biochemistry and Chemical Biology

    Allosteric mechanism of the V. vulnificus adenine riboswitch resolved by four-dimensional chemical mapping

    Siqi Tian et al.
    A new biochemical method tests whether or not the pre-existing RNA structural correlations couple small molecule binding to gene expression in a paradigmatic riboswitch.
    1. Structural Biology and Molecular Biophysics

    Stepwise visualization of membrane pore formation by suilysin, a bacterial cholesterol-dependent cytolysin

    Carl Leung et al.
    Electron and atomic force microscopy show how bacterial toxins bind to a host membrane and assemble into arcs and rings, before undergoing a dramatic, concerted conformational change to insert into the membrane.
    1. Structural Biology and Molecular Biophysics

    Allosteric fine-tuning of the conformational equilibrium poises the chaperone BiP for post-translational regulation

    Lukasz Wieteska et al.
    The molecular chaperone BIP from the endoplasmic reticulum is fine-tuned postranslationally through the thermodynamic and kinetic alterations in its conformational ensemble of functionally and structurally distinct physiological forms.
    1. Structural Biology and Molecular Biophysics

    Lys63-linked ubiquitin chain adopts multiple conformational states for specific target recognition

    Zhu Liu et al.
    Lys63-linked diubiquitin exists as an ensemble of conformational states, each responsible for binding to a target protein through conformational selection.
    1. Biochemistry and Chemical Biology
    2. Neuroscience

    Inert and seed-competent tau monomers suggest structural origins of aggregation

    Hilda Mirbaha et al.
    Tau protein exists as two conformational ensembles, one inert, and another that has intrinsic properties of self-association, triggers seeding in cells and in vitro, and is associated with Alzheimer's disease.
    1. Cell Biology
    2. Neuroscience

    2018 Gairdner Awards: The past, present and future of light-gated ion channels and optogenetics

    Sheena A Josselyn
    Research into light-gated ion channels called channelrhodospins laid the foundations for the development of optogenetics, a technique that has gone on to revolutionize neuroscience.
    1. Structural Biology and Molecular Biophysics

    Ion Channels: From ions to insulin

    Voula Kanelis
    Electron cryo-microscopy has revealed the three-dimensional structure of a potassium channel that has a central role in regulating the release of insulin from the pancreas.
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    1. Microbiology and Infectious Disease

    Research: A comprehensive and quantitative exploration of thousands of viral genomes

    Gita Mahmoudabadi, Rob Phillips
    A compendium of critical genomic numbers for viruses through the lenses of different viral classification systems.

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