274 results found
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    Conserved allosteric pathways for activation of TRPV3 revealed through engineering vanilloid-sensitivity

    Feng Zhang, Kenton Jon Swartz, Andres Jara-Oseguera
    TRPV channels share general mechanisms of activation while exhibiting subtype-specific features along the activation pathway that can determine their apparent sensitivity to stimuli.
    1. Structural Biology and Molecular Biophysics

    Structure-based characterization of novel TRPV5 inhibitors

    Taylor ET Hughes, John Smith Del Rosario ... Vera Y Moiseenkova-Bell
    Structure-based virtual screening reveals multiple novel TRPV5 inhibitors that bind and exert their effect from previously unidentified binding sites as characterized by cryo-electron microscopy and electrophysiology.
    1. Structural Biology and Molecular Biophysics

    Electron cryo-microscopy structure of the canonical TRPC4 ion channel

    Deivanayagabarathy Vinayagam, Thomas Mager ... Stefan Raunser
    Structural insights into the architecture and functional properties of zebrafish TRPC4 are revealed by high-resolution cryo-EM.
    1. Structural Biology and Molecular Biophysics

    Global alignment and assessment of TRP channel transmembrane domain structures to explore functional mechanisms

    Katherine E Huffer, Antoniya A Aleksandrova ... Kenton J Swartz
    Structure-based alignment of TRP channels enables comparison of structural changes, ion permeation pathways and ligand-binding sites and reveals over-representation of structures that represent non-conducting states.
    1. Cell Biology

    TRPV4 is the temperature-sensitive ion channel of human sperm

    Nadine Mundt, Marc Spehr, Polina V Lishko
    The molecular identity of the temperature-sensitive ion channel of human sperm that ensures depolarization is TRPV4.
    1. Structural Biology and Molecular Biophysics

    Symmetry transitions during gating of the TRPV2 ion channel in lipid membranes

    Lejla Zubcevic, Allen L Hsu ... Seok-Yong Lee
    Ligand-induced two-fold symmetric arrangement in TRPV2 is observed in the native-like nanodisc-reconstituted condition using cryo-electron microscopy.
    1. Structural Biology and Molecular Biophysics

    The ion selectivity filter is not an activation gate in TRPV1-3 channels

    Andrés Jara-Oseguera, Katherine E Huffer, Kenton J Swartz
    The TRPV1, TRPV2 and TRPV3 channels are gated on the cytosolic side of the pore, whereas structural changes in the ion selectivity filter associated with activation don't control cation access.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Tyrosine phosphorylation tunes chemical and thermal sensitivity of TRPV2 ion channel

    Xiaoyi Mo, Peiyuan Pang ... Jing Yao
    Mg2+-dependent JAK1-mediated phosphorylation sensitizes TRPV2 activity and thermo-threshold, which is counterbalanced by PTPN1-mediated dephosphorylation, highlighting a role of phosphorylation homeostasis in setting the basal activity of TRPV2.
    1. Structural Biology and Molecular Biophysics

    Molecular mechanism of TRPV2 channel modulation by cannabidiol

    Ruth A Pumroy, Amrita Samanta ... Vera Y Moiseenkova-Bell
    Cannabidiol binds to TRPV2 via a previously unidentified, but highly conserved, pocket.
    1. Structural Biology and Molecular Biophysics

    Regulatory switch at the cytoplasmic interface controls TRPV channel gating

    Lejla Zubcevic, William F Borschel ... Seok-Yong Lee
    C-terminal domain of thermoTRPV channels regulates channel gating at the cytoplasmic interface through a switch-like process.

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