159 results found
    1. Structural Biology and Molecular Biophysics

    Allosteric communication in DNA polymerase clamp loaders relies on a critical hydrogen-bonded junction

    Subu Subramanian et al.
    Deep mutagenesis of a clamp-loader complex reveals a critical hydrogen-bonded junction that is important for allosteric communication in oligomeric AAA+ ATPases.
    1. Structural Biology and Molecular Biophysics

    Mechanistic insights into the active site and allosteric communication pathways in human nonmuscle myosin-2C

    Krishna Chinthalapudi et al.
    R788 is part of an allosteric communication pathway that connects the converter at the distal end of the myosin motor domain via the relay helix with switch-2 of the active site.
    1. Medicine
    2. Structural Biology and Molecular Biophysics

    Allosteric communication in class A β-lactamases occurs via cooperative coupling of loop dynamics

    Ioannis Galdadas et al.
    A combination of equilibrium and nonequilibrium molecular dynamics simulations is an effective tool to study allosteric communications in ultrafast enzymes that show little or no conformational changes.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    eIF2B conformation and assembly state regulate the integrated stress response

    Michael Schoof et al.
    eIF2-P activates the integrated stress response by inducing a conformational change in eIF2B that decreases substrate (eIF2) binding and reduces eIF2B's catalytic activity.
    1. Structural Biology and Molecular Biophysics

    Allosteric signalling in the outer membrane translocation domain of PapC usher

    Irene Farabella et al.
    Input from computational models has enabled the detection of allosteric communication that modulates the gating mechanism of a bacterial outer-membrane protein.
    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. Computational and Systems Biology
    2. Structural Biology and Molecular Biophysics

    Functional cross-talk between allosteric effects of activating and inhibiting ligands underlies PKM2 regulation

    Jamie A Macpherson et al.
    Specific residues within an enzyme integrate allosteric inputs that originate from distinct ligand-binding pockets.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structural basis for the disaggregase activity and regulation of Hsp104

    Alexander Heuck et al.
    Protein disaggregases employ two mechanically-linked ATPase rings that are under steric control by a wrapped-around coiled-coil belt.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structural basis for interdomain communication in SHIP2 providing high phosphatase activity

    Johanne Le Coq et al.
    The SHIP2 inositol phosphatase is an important upstream regulator of the Akt signaling pathway, which requires a catalytic core formed by the phosphatase domain tightly packed to a C2 domain for its function.
    1. Structural Biology and Molecular Biophysics

    Identification of ligand-specific G protein-coupled receptor states and prediction of downstream efficacy via data-driven modeling

    Oliver Fleetwood et al.
    Ligands with different efficacy profiles shift the free energy landscape of the beta2 adrenergic receptor activation and stabilize diverse active-like states via the switch of microswitches lining an allosteric pathway.

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