42 results found
    1. Structural Biology and Molecular Biophysics

    Structures of translationally inactive mammalian ribosomes

    Alan Brown, Matthew R Baird ... Sichen Shao
    Mining electron cryomicroscopy data reveals new ribosomal interactions that preclude translation to potentially regulate gene expression.
    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, Eduardo Méndez-López ... Mikel Valle
    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

    Structure of mycobacterial CIII2CIV2 respiratory supercomplex bound to the tuberculosis drug candidate telacebec (Q203)

    David J Yanofsky, Justin M Di Trani ... John L Rubinstein
    The structure of the Mycobacterium smegmatis CIII2CIV2 respiratory supercomplex with telacebec (Q203) bound shows how this tuberculosis drug candidate blocks respiration in mycobacteria.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Architecture of the ring formed by the tubulin homologue FtsZ in bacterial cell division

    Piotr Szwedziak, Qing Wang ... Jan Löwe
    The architecture of the bacterial cytokinetic ring in cells and in artificial liposome reconstitutions has been described using electron microscopy, leading to a mechanism of constriction.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    Structural principles of SNARE complex recognition by the AAA+ protein NSF

    K Ian White, Minglei Zhao ... Axel T Brunger
    Electron-cryomicroscopy structures of the supercomplex of NSF, αSNAP, and neuronal SNAREs in the presence of ATP under non-hydrolyzing conditions at 3.9 Å resolution reveal interactions between the N-terminal residues of SNAP-25 and NSF.
    1. Chromosomes and Gene Expression

    The dynamic assembly of distinct RNA polymerase I complexes modulates rDNA transcription

    Eva Torreira, Jaime Alegrio Louro ... Carlos Fernández-Tornero
    Live-cell imaging, genetic analysis and electron cryomicroscopy identify structural motifs involved in the differential assembly of Pol I-Rrn3 complexes and Pol I homodimers in response to nutrient availability.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structure of a AAA+ unfoldase in the process of unfolding substrate

    Zev A Ripstein, Rui Huang ... John L Rubinstein
    The structure of a substrate-engaged AAA+ unfoldase suggests a model for processive unfolding that is supported by biochemical data.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structural insight on the mechanism of an electron-bifurcating [FeFe] hydrogenase

    Chris Furlan, Nipa Chongdar ... James A Birrell
    Cryo-EM and particle classification techniques reveal how the electron-bifurcating [FeFe] hydrogenase from Thermotoga maritima multimerizes to connect distant active sites and reveal different conformational states that enable catalysis.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structure and conformational states of the bovine mitochondrial ATP synthase by cryo-EM

    Anna Zhou, Alexis Rohou ... John L Rubinstein
    Structural analysis of the ATP synthase – in combination with evolutionary covariance analysis – reveals the fold of the a subunit and shows that the enzyme can adopt several different conformations, which support the Brownian ratchet model for generating rotation.

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