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    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Cryo-EM structure of the calcium release-activated calcium channel Orai in an open conformation

    Xiaowei Hou et al.
    Structure of the Ca2+ channel Orai in an open conformation provides insights into the opening mechanism and the channel's role in regulating Ca2+ entry into immune and other non-excitable cells.
    1. Structural Biology and Molecular Biophysics

    Cryo-EM structure of the mechanically activated ion channel OSCA1.2

    Sebastian Jojoa-Cruz et al.
    Structures of OSCA1.2, a member of a newly characterized family of mechanically activated ion channels, provide insights into mechanism of channel gating by membrane tension.
    1. Structural Biology and Molecular Biophysics

    Ligand discrimination and gating in cyclic nucleotide-gated ion channels from apo and partial agonist-bound cryo-EM structures

    Jan Rheinberger et al.
    High resolution SthK channel cryo-EM structures in different ligand-bound states combined with single-channel functional data in the same conditions constrain a gating mechanism for CNG channels.
    1. Structural Biology and Molecular Biophysics

    Structure of a TRPM2 channel in complex with Ca2+ explains unique gating regulation

    Zhe Zhang et al.
    The 3Å structure and correlated functional analysis of the TRPM2 cation channel from Nematostella vectensis shed light on the molecular mechanisms of TRPM2 regulation by intra- and extracellular Ca2+, and of inactivation of human TRPM2.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    Modulation of the Erwinia ligand-gated ion channel (ELIC) and the 5-HT3 receptor via a common vestibule site

    Marijke Brams et al.
    Development of nanobodies against a model pentameric ligand-gated ion channel demonstrates they can be functionally active as negative or positive allosteric modulators and offers opportunities for future drug development.
    1. Genetics and Genomics
    2. Neuroscience

    The ion channel ppk301 controls freshwater egg-laying in the mosquito Aedes aegypti

    Benjamin J Matthews et al.
    The ion channel ppk301 is required for the evaluation of water purity during egg-laying, which promotes offspring survival in the arboviral vector mosquito Aedes aegypti.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Sculpting ion channel functional expression with engineered ubiquitin ligases

    Scott A Kanner et al.
    Engineered E3 ubiquitin ligases are utilized to elucidate mechanisms underlying ubiquitin regulation of membrane proteins, and to achieve robust post-translational functional knockdown of ion channels.
    1. Computational and Systems Biology
    2. Neuroscience

    Mapping the function of neuronal ion channels in model and experiment

    William F Podlaski et al.
    The ion channel genealogy resource is a comprehensive and intuitive comparison tool for ion channel models and experimental data, helping to visualize their similarity and function to facilitate better experimentally-constrained modeling.
    1. Structural Biology and Molecular Biophysics
    2. Neuroscience

    Structure of a pore-blocking toxin in complex with a eukaryotic voltage-dependent K+ channel

    Anirban Banerjee et al.
    Charybdotoxin, a toxin produced by scorpions, blocks a K+ channel by binding in a lock-and-key fashion to the mouth of the channel and presenting a lysine amino group, which serves as a K+ mimic in the selectivity filter.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    Cryo-EM structures of the DCPIB-inhibited volume-regulated anion channel LRRC8A in lipid nanodiscs

    David M Kern et al.
    The basis for small-molecule block, insights into gating, and an unexpected architectural role for the lipid membrane are revealed in structures of the volume regulated anion channel LRRC8A.