337 results found
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Molecular basis of outer kinetochore assembly on CENP-T

    Pim J Huis in 't Veld et al.
    The centromeric protein CENP-T assembles the microtubule-binding interface of kinetochores through direct recruitment of two Ndc80 complexes and indirect recruitment of a third one through the Mis12 complex.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Two-way communication between SecY and SecA suggests a Brownian ratchet mechanism for protein translocation

    William John Allen et al.
    Evidence is presented that supports a completely new, diffusion-driven mechanism for transporting proteins across membranes in bacteria.
    1. Immunology and Inflammation

    T cell immunodominance is dictated by the positively selecting self-peptide

    Wan-Lin Lo et al.
    The T cell repertoire can display immunodominance to an epitope as a result of optimal positive selection in the thymus by one self-peptide/MHC ligand.
    1. Cell Biology

    The yeast H+-ATPase Pma1 promotes Rag/Gtr-dependent TORC1 activation in response to H+-coupled nutrient uptake

    Elie Saliba et al.
    The H+ influx coupled to nutrient uptake and the plasma membrane H+-ATPase are central actors of the activation of target of rapamycin complex 1 (TORC1) in budding yeast Saccharomyces cerevisiae..
    1. Structural Biology and Molecular Biophysics
    2. Neuroscience

    Structural basis for subtype-specific inhibition of the P2X7 receptor

    Akira Karasawa, Toshimitsu Kawate
    Crystal structures of a mammalian P2X7 receptor and structure-based functional studies reveal a novel drug-binding site and subtype-specific conformational rearrangements required for channel opening.
    1. Structural Biology and Molecular Biophysics

    Structure and in situ organisation of the Pyrococcus furiosus archaellum machinery

    Bertram Daum et al.
    Using both electron cryo-tomography and helical reconstruction, the first structure of the entire archaellum machinery with an assembled filament has been determined, providing the structural basis for our understanding of archaeal motility.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Dynamic subcellular localization of a respiratory complex controls bacterial respiration

    François Alberge et al.
    The localization of respiratory complexes in the cell membrane emerges as a critical factor for controlling respiration in bacteria.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Resolving dual binding conformations of cellulosome cohesin-dockerin complexes using single-molecule force spectroscopy

    Markus A Jobst et al.
    A single-molecule approach is able to discriminate the redundant binding conformations of cellulosomal dockerin based on differences in their mechanical properties.
    1. Structural Biology and Molecular Biophysics

    Residue proximity information and protein model discrimination using saturation-suppressor mutagenesis

    Anusmita Sahoo et al.
    Experimental determination of residue contacts from mutational data allows model discrimination and identification of in vivo functional conformations of proteins.
    1. Cell Biology
    2. Human Biology and Medicine

    Increased H+ efflux is sufficient to induce dysplasia and necessary for viability with oncogene expression

    Bree K Grillo-Hill et al.
    Increasing the internal pH of cells can induce dysplasia and enhance oncogene-increased cell growth, while decreasing the internal pH combined with oncogene expression leads to synthetic lethality.

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