781 results found
    1. Structural Biology and Molecular Biophysics

    Ribosome structures to near-atomic resolution from thirty thousand cryo-EM particles

    Xiao-chen Bai et al.
    A combination of direct-electron detectors and statistical movie processing allows ribosome cryo-EM structures to be determined to resolutions that were previously only attainable by X-ray crystallography.
    1. Structural Biology and Molecular Biophysics

    Structure of human Frizzled5 by fiducial-assisted cryo-EM supports a heterodimeric mechanism of canonical Wnt signaling

    Naotaka Tsutsumi et al.
    Cryo-EM structure of monomeric human Frizzled5 was determined with a universal fiducial antibody at 3.7 Å overall resolution, which supports a simple Fzd/LRP6 heterodimerization mechanism of canonical Wnt/β-catenin signaling.
    1. Structural Biology and Molecular Biophysics

    Cryo-EM structure of the yeast TREX complex and coordination with the SR-like protein Gbp2

    Yihu Xie et al.
    Cryo-EM and chemical cross-linking studies yield an atomic resolution structure of a conserved remodeling machinery in messenger ribonucleoprotein maturation/nuclear export and insights into its coordinated function with a serine–arginine protein.
    1. Chromosomes and Gene Expression
    2. Structural Biology and Molecular Biophysics

    The cryo-EM structure of a 12-subunit variant of RNA polymerase I reveals dissociation of the A49-A34.5 heterodimer and rearrangement of subunit A12.2

    Lucas Tafur et al.
    Cryo-EM structures of RNA polymerase I reveal considerable 'transformers-like' rearrangements where one subcomplex dissociates and is replaced by one domain of another subunit, possibly as an additional layer of transcriptional control.
    1. Structural Biology and Molecular Biophysics

    Cryo-EM structures and functional characterization of murine Slc26a9 reveal mechanism of uncoupled chloride transport

    Justin D Walter et al.
    The cryo-EM structure and functional characterization of the chloride-selective ion transporter Slc26a9 defines its oligomeric architecture and transport mechanism.
    1. Structural Biology and Molecular Biophysics

    Cryo-EM structure of respiratory complex I at work

    Kristian Parey et al.
    The site of ubiquinone binding observed in the cryo-EM structure of respiratory complex I during turnover supports a two-state stabilization change mechanism.
    1. Chromosomes and Gene Expression
    2. Structural Biology and Molecular Biophysics

    Cryo-EM structures of remodeler-nucleosome intermediates suggest allosteric control through the nucleosome

    Jean Paul Armache et al.
    Cryo-EM structures capture different conformational states of chromatin remodeler-nucleosome complexes.
    1. Structural Biology and Molecular Biophysics

    Accelerated cryo-EM structure determination with parallelisation using GPUs in RELION-2

    Dari Kimanius et al.
    Using GPUs for the costly computations in cryo-EM enables structure determination in mere days on a single workstation.
    1. Structural Biology and Molecular Biophysics

    Cryo-EM structures reveal specialization at the myosin VI-actin interface and a mechanism of force sensitivity

    Pinar S Gurel et al.
    Cryo-EM structures of actomyosin VI in multiple nucleotide states reveal a unique actin-myosin interface and a mechanism of force-sensitivity; furthermore, myosin VI remodels F-actin, suggesting a role for actin structural plasticity during force generation.
    1. Structural Biology and Molecular Biophysics

    Cryo-EM structures of the human glutamine transporter SLC1A5 (ASCT2) in the outward-facing conformation

    Xiaodi Yu et al.
    Cryo-EM structures of unliganded SLC1A5 and its complex with glutamine in outward-facing state provide insights into the substrate specificity and transport mechanism and will be helpful for developing selective inhibitors.

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