14 results found
    1. Biochemistry and Chemical Biology

    Imaging and energetics of single SSB-ssDNA molecules reveal intramolecular condensation and insight into RecOR function

    Jason C Bell, Bian Liu, Stephen C Kowalczykowski
    Individual SSB-ssDNA complexes undergo reversible condensation and de-condensation that is modulated by RecOR during recombination.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Quality control in oocytes by p63 is based on a spring-loaded activation mechanism on the molecular and cellular level

    Daniel Coutandin, Christian Osterburg ... Volker Dötsch
    p63 uses an intricate network of domain-domain interactions to control its function in long-term quality maintenance of resting oocytes.
    1. Structural Biology and Molecular Biophysics

    Exploring conformational equilibria of a heterodimeric ABC transporter

    M Hadi Timachi, Cedric AJ Hutter ... Enrica Bordignon
    A heterodimeric exporter exhibits conformational equilibria in the presence of nucleotides, suggesting a unified mechanistic model for the conformational cycle of ABC exporters.
    1. Microbiology and Infectious Disease

    NSF-mediated disassembly of on- and off-pathway SNARE complexes and inhibition by complexin

    Ucheor B Choi, Minglei Zhao ... Axel T Brunger
    NSF is part of a membrane trafficking quality control system that disassembles both properly formed and off-pathway SNARE complexes, and the disassembly activity may be regulated by complexin.
    1. Chromosomes and Gene Expression
    2. Structural Biology and Molecular Biophysics

    Dissociation rate compensation mechanism for budding yeast pioneer transcription factors

    Benjamin T Donovan, Hengye Chen ... Michael G Poirier
    The budding yeast transcription factors Reb1 and Cbf1 function as pioneer factors by slowly dissociating from nucleosomes, allowing them to target and unwrap nucleosomes efficiently to regulate transcription.
    1. Biochemistry and Chemical Biology

    The dynamic conformational landscape of the protein methyltransferase SETD8

    Shi Chen, Rafal P Wiewiora ... Minkui Luo
    Integrated experimental-computational approaches were implemented to reveal the dynamic conformational landscape of a biologically relevant protein methyltransferase SETD8 for functional annotation.
    1. Structural Biology and Molecular Biophysics

    Limited dishevelled/Axin oligomerization determines efficiency of Wnt/β-catenin signal transduction

    Wei Kan, Michael D Enos ... William I Weis
    In vitro and in cellulo characterization of oligomerization by the cytoplasmic Wnt effector dishevelled and its partner Axin provide new mechanistic principles for Wnt/β-catenin signaling.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    Structural determinants of voltage-gating properties in calcium channels

    Monica L Fernández-Quintero, Yousra El Ghaleb ... Bernhard E Flucher
    Structure modeling, site-directed mutagenesis, and current recordings revealed the mechanism by which stabilization of voltage sensors in the resting and activated states determines the gating properties of the CaV1.1 calcium channel.
    1. Cell Biology

    An amphipathic helix in Brl1 is required for nuclear pore complex biogenesis in S. cerevisiae

    Annemarie Kralt, Matthias Wojtynek ... Karsten Weis
    Genetic, proteomic, and structural analyses provide insight into the role of Brl1 during nuclear pore complex biogenesis, suggesting a function in the fusion of outer and inner nuclear membranes.

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