60 results found
    1. Structural Biology and Molecular Biophysics

    Promiscuous binding by Hsp70 results in conformational heterogeneity and fuzzy chaperone-substrate ensembles

    Rina Rosenzweig et al.
    Multiple chaperone binding sites on substrates suggest a mechanism by which the Hsp70 chaperone can circumvent kinetic traps in protein folding.
    1. Structural Biology and Molecular Biophysics

    Conserved conformational selection mechanism of Hsp70 chaperone-substrate interactions

    Ashok Sekhar et al.
    NMR-based flux measurements show that both bacterial and human Hsp70 chaperones interact with helical, as well as sheet substrates predominantly through a conformational selection mechanism.
    1. Structural Biology and Molecular Biophysics

    The RNF168 paralog RNF169 defines a new class of ubiquitylated histone reader involved in the response to DNA damage

    Julianne Kitevski-LeBlanc et al.
    A structural model of the dynamic complex comprising the histone reader RNF169 bound to an ubiquitylated nucleosome core particle reveals a three-pronged binding mechanism, which provides specificity for the recognition of DNA double-strand break sites.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Ligand modulation of sidechain dynamics in a wild-type human GPCR

    Lindsay D Clark et al.
    Generation of a highly deuterated 13C-methyl labeled wild-type GPCR sample is used to facilitate characterization of the molecular environments and fast ps-ns dynamics of sidechains when the receptor is bound to ligands of different efficacy.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    An unfolded protein-induced conformational switch activates mammalian IRE1

    G Elif Karagöz et al.
    ER-stress sensing mechanism of the unfolded protein response sensor/transducer IRE1 is conserved from yeast to mammals, where in mammals, unfolded protein binding to IRE1's ER lumenal domain is coupled to its oligomerization and activation through an allosteric conformational change.
    1. Structural Biology and Molecular Biophysics

    A Dynamic molecular basis for malfunction in disease mutants of p97/VCP

    Anne K Schuetz, Lewis E Kay
    Point mutations in a ubiquitous human ATPase called p97/VCP deregulate inter-domain communication, resulting in impaired binding of an adaptor that recruits p97 to endosomal pathways and leading to a degenerative disease of bone, muscle and neurons.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Stabilization and structural analysis of a membrane-associated hIAPP aggregation intermediate

    Diana C Rodriguez Camargo et al.
    The ability of lipid nanodiscs to trap different types of amyloid intermediates, as successfully demonstrated in this study for human-IAPP, could become one of the most powerful approaches to dissect the complicated misfolding pathways of protein aggregation.
    1. Structural Biology and Molecular Biophysics
    2. Neuroscience

    Complexin induces a conformational change at the membrane-proximal C-terminal end of the SNARE complex

    Ucheor B Choi et al.
    Complexin can have two conformations when bound to a ternary SNARE complex, one of which induces a conformational change of the SNARE complex at the C-terminus.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Tuning site-specific dynamics to drive allosteric activation in a pneumococcal zinc uptake regulator

    Daiana A Capdevila et al.
    Internal dynamics play a crucial functional role in MarR (multiple antibiotic resistance repressor) proteins and their role reconciles the distinct allosteric mechanisms proposed previously.
    1. Epidemiology and Global Health

    Multivariable two-sample Mendelian randomization estimates of the effects of intelligence and education on health

    Neil Martin Davies et al.
    Many of the effects of intelligence on health and social outcomes later in life are mediated via education.

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