2,654 results found
    1. Computational and Systems Biology

    Redox regulation and dynamic control of brain-selective kinases BRSK1/2 in the AMPK family through cysteine-based mechanisms

    George N Bendzunas, Dominic P Byrne ... Natarajan Kannan
    Characterization of redox-active cysteines illuminates the understudied regulatory mechanisms of brain-selective kinases.
    1. Structural Biology and Molecular Biophysics

    Microtubule assembly governed by tubulin allosteric gain in flexibility and lattice induced fit

    Maxim Igaev, Helmut Grubmüller
    A new combined mechanism explains how GTP binding by tubulin is linked to its dynamics and energetics in solution and why GTP-induced flexibility, and not the tubulin conformation as such, drives microtubule assembly.
    1. Microbiology and Infectious Disease
    2. Structural Biology and Molecular Biophysics

    An entropic safety catch controls hepatitis C virus entry and antibody resistance

    Lenka Stejskal, Mphatso D Kalemera ... Joe Grove
    The entry glycoproteins of hepatitis C virus, E1E2, possess a novel regulatory mechanism in which protein disorder is harnessed to control their activity and their ability to evade antibodies.
    1. Structural Biology and Molecular Biophysics

    Allosteric activation of SENP1 by SUMO1 β-grasp domain involves a dock-and-coalesce mechanism

    Jingjing Guo, Huan-Xiang Zhou
    Simulations of molecular dynamics suggest how the binding of the β-grasp domain of SUMO1 induces conformational and dynamic effects to activate SENP1.
    1. Cancer Biology
    2. Physics of Living Systems

    Membrane interactions of the globular domain and the hypervariable region of KRAS4b define its unique diffusion behavior

    Debanjan Goswami, De Chen ... Thomas Turbyville
    Compared to other isoforms of RAS, KRAS4b has unique membrane diffusion behavior related to its biology, and the two major domains of the protein both contribute to this diffusion behavior.
    1. Physics of Living Systems

    Length regulation of multiple flagella that self-assemble from a shared pool of components

    Thomas G Fai, Lishibanya Mohapatra ... Ariel Amir
    In the microbe Chlamydomonas reinhardtii, a disassembly rate which depends on flagellar length provides an effective method to regulate the length of its two flagella.
    1. Structural Biology and Molecular Biophysics

    PROTAC-induced protein structural dynamics in targeted protein degradation

    Kingsley Y Wu, Ta I Hung, Chia-en A Chang
    Multi-level molecular modeling reveals how PROTAC-induced protein structural dynamics of degradation machinery complexes promote ubiquitination processes.
    1. Structural Biology and Molecular Biophysics

    Membrane curvature sensing and symmetry breaking of the M2 proton channel from Influenza A

    James Lincoff, Cole VM Helsell ... Michael Grabe
    Using a combination of all-atom molecular simulation and continuum membrane mechanics, M2 channels from influenza are shown to be stabilized in negative Gaussian curvature regions, such as the neck of budding viral particles, only in C2-symmetric conformations.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structure-guided glyco-engineering of ACE2 for improved potency as soluble SARS-CoV-2 decoy receptor

    Tümay Capraz, Nikolaus F Kienzl ... Johannes Stadlmann
    Molecular dynamics simulation assisted engineering of recombinant soluble human ACE2 N-glycosylation by site-directed mutagenesis or glycosidase treatment yields a superior SARS-CoV-2 decoy receptor.
    1. Chromosomes and Gene Expression
    2. Structural Biology and Molecular Biophysics

    OpenNucleome for high-resolution nuclear structural and dynamical modeling

    Zhuohan Lao, Kartik D Kamat ... Bin Zhang
    An open-source tool for computational simulations of the human genome has been introduced, enabling the characterization of complex nuclear environments and the interpretation of experimental observations.

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