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    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    The intrinsically disordered cytoplasmic tail of a dendrite branching receptor uses two distinct mechanisms to regulate the actin cytoskeleton

    Daniel A Kramer, Heidy Y Narvaez-Ortiz ... Baoyu Chen
    The dendrite branching receptor HPO-30 modulates actin dynamics by binding to both WAVE complex and actin filaments.
    1. Immunology and Inflammation

    Protein sorting by lipid phase-like domains supports emergent signaling function in B lymphocyte plasma membranes

    Matthew B Stone, Sarah A Shelby ... Sarah L Veatch
    Clustering the B cell receptor generates a membrane domain analogous to the liquid-ordered phase, localizing proteins involved in early receptor activation.
    1. Computational and Systems Biology

    Origin of a folded repeat protein from an intrinsically disordered ancestor

    Hongbo Zhu, Edgardo Sepulveda ... Andrei N Lupas
    Minimal changes allow an ancestral, unfolded peptide to adopt a known fold by repetition, illuminating a possible path for the emergence of folded proteins at the origin of life.
    1. Chromosomes and Gene Expression
    2. Biochemistry and Chemical Biology

    Cooperative interactions facilitate stimulation of Rad51 by the Swi5-Sfr1 auxiliary factor complex

    Bilge Argunhan, Masayoshi Sakakura ... Hiroshi Iwasaki
    The intrinsically disordered N-terminus of Sfr1 contains two Rad51 binding sites that facilitate Rad51 filament stabilization and ATPase stimulation by the Swi5-Sfr1 complex, leading to efficient Rad51-driven strand exchange.
    1. Structural Biology and Molecular Biophysics

    The liquid structure of elastin

    Sarah Rauscher, Régis Pomès
    Molecular simulations show how hydrophobicity and conformational disorder underlie the phase separation of elastin-like peptides and the elasticity of human tissues.
    1. Microbiology and Infectious Disease
    2. Structural Biology and Molecular Biophysics

    Modulation of biophysical properties of nucleocapsid protein in the mutant spectrum of SARS-CoV-2

    Ai Nguyen, Huaying Zhao ... Peter Schuck
    Exploration of the phenotype space corresponding to the sequence space of viable SARS-CoV-2 nucleocapsid protein species reveals significant diversity of biophysical characteristics, nonlocal mutation effects, and functional constraints.
    1. Cell Biology

    Disordered clusters of Bak dimers rupture mitochondria during apoptosis

    Rachel T Uren, Martin O’Hely ... Ruth M Kluck
    Dimers of Bak assemble into clusters without using a distinct protein-protein interface, which may explain the apparent difficulties in obtaining high resolution structures of the pore complex and in targeting dimer-dimer interactions to regulate apoptosis.
    1. Structural Biology and Molecular Biophysics
    2. Computational and Systems Biology

    Pi-Pi contacts are an overlooked protein feature relevant to phase separation

    Robert McCoy Vernon, Paul Andrew Chong ... Julie Deborah Forman-Kay
    Statistics on the frequencies of pi interactions in folded protein structures enable successful prediction of intrinsically disordered protein phase separation, with clear implications for a physical understanding of cellular organization.
    1. Cell Biology
    2. Developmental Biology

    Protein-based condensation mechanisms drive the assembly of RNA-rich P granules

    Helen Schmidt, Andrea Putnam ... Geraldine Seydoux
    P granule assembly depends in part on protein-protein interactions that drive condensation independent of RNA.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Chemical perturbation of an intrinsically disordered region of TFIID distinguishes two modes of transcription initiation

    Zhengjian Zhang, Zarko Boskovic ... Robert Tjian
    An inorganic tin oxochloride cluster specifically binds to an intrinsically disordered, histidine-rich, low complexity protein region and arrests de novo transcription initiation without affecting reinitiation.