180 results found
    1. Structural Biology and Molecular Biophysics

    CryoEM structures of open dimers of gyrase A in complex with DNA illuminate mechanism of strand passage

    Katarzyna M Soczek et al.
    CryoEM structures of open gyrase A dimers and DNA in two states representing steps either prior to or after passage through the DNA-gate, show where a putative T-segment is found.
    1. Structural Biology and Molecular Biophysics
    2. Microbiology and Infectious Disease

    CryoEM structures of membrane pore and prepore complex reveal cytolytic mechanism of Pneumolysin

    Katharina van Pee et al.
    The near-atomic cryoEM pore complex structure of pneumolysin, the main virulence factor of Streptococcus pneumoniae, shows how the individual domains rearrange during the pore formation.
    1. Structural Biology and Molecular Biophysics

    The near-atomic cryoEM structure of a flexible filamentous plant virus shows homology of its coat protein with nucleoproteins of animal viruses

    Xabier Agirrezabala et al.
    The high-resolution structure of a filamentous flexible plant virus shows that there is structural homology between its coat protein and the nucleoproteins of an unrelated group of enveloped RNA animal viruses.
    1. Structural Biology and Molecular Biophysics

    The CryoEM structure of the Saccharomyces cerevisiae ribosome maturation factor Rea1

    Piotr Sosnowski et al.
    The high-resolution structure of Rea1, an essential ribosome maturation factor in Saccharomyces cerevisiae, explains how the ATPase domain is regulated and reveals the linker domain, the mechanical element carrying out ribosome remodeling.
    1. Structural Biology and Molecular Biophysics
    2. Microbiology and Infectious Disease

    A new topology of the HK97-like fold revealed in Bordetella bacteriophage by cryoEM at 3.5 Å resolution

    Xing Zhang et al.
    Cryo electron microscopy and structure-based mutagenesis reveal that the bacteriophage BPP-1 contains two of the three major recognized viral folds, one of which exhibits a new topology.
    1. Structural Biology and Molecular Biophysics

    Ensemble cryoEM elucidates the mechanism of insulin capture and degradation by human insulin degrading enzyme

    Zhening Zhang et al.
    Integrative structural analyses of human insulin degradingenzyme (IDE) reveal how IDE selectively degrades peptides that form toxicaggregates, which guides IDE-based therapeutic innovations to treat diabetesand Alzheimer's disease.
    1. Structural Biology and Molecular Biophysics

    Routine single particle CryoEM sample and grid characterization by tomography

    Alex J Noble et al.
    Fiducial-less tomography on single particle cryoEM samples reveals that most particles are adsorbed to the air-water interface and allows for researchers to diagnose and solve sample, grid, ice thickness, collection, and processing issues.
    1. Structural Biology and Molecular Biophysics
    2. Computational and Systems Biology

    CryoEM and computer simulations reveal a novel kinase conformational switch in bacterial chemotaxis signaling

    C Keith Cassidy et al.
    An atomic model of the bacterial chemosensory array obtained through the synthesis of cryo-electron tomography and large-scale molecular-dynamics simulations reveals a new kinase conformation during signaling events.

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