1,875 results found
    1. Structural Biology and Molecular Biophysics

    Robust membrane protein tweezers reveal the folding speed limit of helical membrane proteins

    Seoyoon Kim, Daehyo Lee ... Duyoung Min
    An exceedingly low speed limit was estimated for a helical hairpin formation by analyzing hours-long, incessant structural transitions.
    1. Biochemistry and Chemical Biology
    2. Computational and Systems Biology

    ATP-induced asymmetric pre-protein folding as a driver of protein translocation through the Sec machinery

    Robin A Corey, Zainab Ahdash ... Ian Collinson
    How the process of protein folding may be controlled by the Sec machinery to assist protein transport across membranes.
    1. Structural Biology and Molecular Biophysics

    Microsecond sub-domain motions and the folding and misfolding of the mouse prion protein

    Rama Reddy Goluguri, Sreemantee Sen, Jayant Udgaonkar
    Native state dynamics of mouse prion protein were measured, and these motions were shown to be having a role in initiation of aggregation.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Interactions between a subset of substrate side chains and AAA+ motor pore loops determine grip during protein unfolding

    Tristan A Bell, Tania A Baker, Robert T Sauer
    The AAA+ protein unfolding motor ClpX grips substrates with the uppermost part of its substrate-binding pore, and requires interactions with hydrophobic amino acid side chains to operate with optimal efficiency.
    1. Cell Biology

    Intact protein folding in the glutathione-depleted endoplasmic reticulum implicates alternative protein thiol reductants

    Satoshi Tsunoda, Edward Avezov ... David Ron
    Adapting a cytosolic enzyme that breaks down glutathione to function in the lumen of the endoplasmic reticulum challenges the long-held view that reduced glutathione fuels disulfide rearrangements during protein folding.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    The shape of the bacterial ribosome exit tunnel affects cotranslational protein folding

    Renuka Kudva, Pengfei Tian ... Gunnar von Heijne
    Proteins can fold deeper inside ribosomes with an enlarged exit tunnel.
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    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Common intermediates and kinetics, but different energetics, in the assembly of SNARE proteins

    Sylvain Zorman, Aleksander A Rebane ... Yongli Zhang
    The energy landscape of SNARE folding and assembly is optimized for efficient stage-wise membrane fusion.
    1. Structural Biology and Molecular Biophysics
    2. Microbiology and Infectious Disease

    Protein-mediated RNA folding governs sequence-specific interactions between rotavirus genome segments

    Alexander Borodavka, Eric C Dykeman ... Don C Lamb
    In rotaviruses, the selective packaging of eleven distinct genomic RNA segments requires virus-encoded protein NSP2 to alter the RNA structures, facilitating their interactions with each other.
    1. Structural Biology and Molecular Biophysics

    Folding of prestin’s anion-binding site and the mechanism of outer hair cell electromotility

    Xiaoxuan Lin, Patrick R Haller ... Tobin R Sosnick
    Identification of Cl-induced folding advances the field’s understanding of prestin’s unique voltage-sensing mechanism and its involvement in mammalian hearing sensation.
    1. Computational and Systems Biology
    2. Structural Biology and Molecular Biophysics

    Investigating the trade-off between folding and function in a multidomain Y-family DNA polymerase

    Xiakun Chu, Zucai Suo, Jin Wang
    The physical interaction network encoded in the multi-domain protein native structure handles the trade-off between the fast, stable folding and the efficient, reliable function.

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