520 results found
    1. Structural Biology and Molecular Biophysics

    Molecular basis of force-from-lipids gating in the mechanosensitive channel MscS

    Bharat Reddy, Navid Bavi ... Eduardo Perozo
    The structure of the mechanosensitive channel MscS embedded in a lipid bilayer redefines the nature, location and importance of lipid–protein interactions in the gating of mechanosensitive channels.
    1. Computational and Systems Biology
    2. Structural Biology and Molecular Biophysics

    The push-to-open mechanism of the tethered mechanosensitive ion channel NompC

    Yang Wang, Yifeng Guo ... Chen Song
    A pushing force on the ankyrin repeat region of NompC leads to the gating of the mechanosensitive ion channel, which may enable cells to feel compression and shrinkage.
    1. Structural Biology and Molecular Biophysics

    State-specific morphological deformations of the lipid bilayer explain mechanosensitive gating of MscS ion channels

    Yein Christina Park, Bharat Reddy ... José D Faraldo-Gómez
    A theory is presented that explains why some ion channels tend to open in response to membrane stretching, which posits that channel closing is disfavored by the morphological energetics of the lipid bilayer, and increasingly so under lateral tension.
    1. Structural Biology and Molecular Biophysics

    Multiple kinesins induce tension for smooth cargo transport

    Marco Tjioe, Saurabh Shukla ... Paul R Selvin
    After developing a force-gliding assay with nanometer and piconewton precision, it is concluded that multiple kinesins driving a single cargo induces tension, resulting in smooth cargo transport, even with roadblocks.
    1. Neuroscience
    2. Physics of Living Systems

    Stiffness and tension gradients of the hair cell’s tip-link complex in the mammalian cochlea

    Mélanie Tobin, Atitheb Chaiyasitdhi ... Pascal Martin
    The tip-link complex of the hair cell is mechanically tuned along the tonotopic axis of the cochlea.
    1. Cell Biology
    2. Physics of Living Systems

    A physical mechanism of TANGO1-mediated bulky cargo export

    Ishier Raote, Morgan Chabanon ... Felix Campelo
    TANGO1 functions as a linactant filament to stabilize shallow COPII-coated buds, and after which membrane tension regulation, possibly mediated by TANGO1-controlled membrane fusion, facilitates bud elongation for procollagen export.
    1. Structural Biology and Molecular Biophysics

    Structure of mouse protocadherin 15 of the stereocilia tip link in complex with LHFPL5

    Jingpeng Ge, Johannes Elferich ... Eric Gouaux
    Structures of a mouse PCDH15 and LHFPL5 complex, two proteins involved in converting sound into electrical signals, illuminate how mechanical stimuli are delivered to the membrane of inner ear hair cells.
    1. Structural Biology and Molecular Biophysics

    Structure-based membrane dome mechanism for Piezo mechanosensitivity

    Yusong R Guo, Roderick MacKinnon
    Mechanosensitive Piezo channel induces local membrane curvature to mediate mechanical gating.
    1. Structural Biology and Molecular Biophysics

    Large-scale state-dependent membrane remodeling by a transporter protein

    Wenchang Zhou, Giacomo Fiorin ... José D Faraldo-Gómez
    The conformational mechanism of a transporter protein is found to have profound and energetically costly effects on the morphology of the surrounding membrane.
    1. Structural Biology and Molecular Biophysics

    A binding site for phosphoinositides described by multiscale simulations explains their modulation of voltage-gated sodium channels

    Yiechang Lin, Elaine Tao ... Ben Corry
    Simulations reveal where phosphoinositide lipids bind to voltage-gated sodium channels and how they reduce channel activity.

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