795 results found
    1. Microbiology and Infectious Disease
    2. Structural Biology and Molecular Biophysics

    Malaria parasites use a soluble RhopH complex for erythrocyte invasion and an integral form for nutrient uptake

    Marc A Schureck, Joseph E Darling ... Sanjay A Desai
    A high-resolution structure reveals how the RhopH complex traffics within Plasmodium-infected human erythrocytes to serve divergent, essential functions.
    1. Structural Biology and Molecular Biophysics

    Single molecule compression reveals intra-protein forces drive cytotoxin pore formation

    Daniel M Czajkowsky, Jielin Sun ... Zhifeng Shao
    Compressive force spectroscopy of single molecules reveals that intra-protein forces underlie the long-distance coordination of structural changes within a cytotoxin during pore formation.
    1. Structural Biology and Molecular Biophysics

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

    Carl Leung, Natalya V Dudkina ... Bart W Hoogenboom
    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. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    Perforin-2 is essential for intracellular defense of parenchymal cells and phagocytes against pathogenic bacteria

    Ryan M McCormack, Lesley R de Armas ... Eckhard R Podack
    Perforin-2 deficiency is lethal upon infection with pathogenic bacteria despite the presence of other bactericidal effectors.
    1. Microbiology and Infectious Disease
    2. Structural Biology and Molecular Biophysics

    Membrane insertion of α-xenorhabdolysin in near-atomic detail

    Evelyn Schubert, Ingrid R Vetter ... Stefan Raunser
    Cryo-EM and X-ray structures of α-xenorhabdolysin in soluble and pore form of Xenorhabdus nematophila give novel insights into the mechanism of action of bi-component α-pore-forming toxins.
    1. Structural Biology and Molecular Biophysics

    Structural relationship between the putative hair cell mechanotransduction channel TMC1 and TMEM16 proteins

    Angela Ballesteros, Cristina Fenollar-Ferrer, Kenton Jon Swartz
    The structural relationship between TMC and TMEM16 proteins provides insight into the structure and functional mechanisms of the mechanotransduction channel complex in hair cells.
    1. Structural Biology and Molecular Biophysics
    2. Microbiology and Infectious Disease

    Malaria parasite CelTOS targets the inner leaflet of cell membranes for pore-dependent disruption

    John R Jimah, Nichole D Salinas ... Niraj H Tolia
    The structure, function and mechanism of the malaria vaccine candidate CelTOS reveal a unique pore-forming and membrane-disrupting protein with specificity for the inner leaflet of host and vector cells.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    The Cryo-EM structure of pannexin 1 reveals unique motifs for ion selection and inhibition

    Kevin Michalski, Johanna L Syrjanen ... Toshimitsu Kawate
    The structure of a pannexin 1 uncovers the extracellular loops of pannexin 1 as important structural motifs for ion selectivity and channel inhibition.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    The conserved aspartate ring of MCU mediates MICU1 binding and regulation in the mitochondrial calcium uniporter complex

    Charles B Phillips, Chen-Wei Tsai, Ming-Feng Tsai
    Biochemical analysis reveals molecular mechanisms underlying the activation of the mitochondrial Ca2+ uniporter by intracellular Ca2+ signals.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    MCU encodes the pore conducting mitochondrial calcium currents

    Dipayan Chaudhuri, Yasemin Sancak ... David E Clapham
    Genetic and electrophysiological experiments reveal that a gene called MCU encodes the ion channel pore that allows calcium ions to cross the inner mitochondrial membrane.

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