24 results found
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Electrostatic lateral interactions drive ESCRT-III heteropolymer assembly

    Sudeep Banjade, Shaogeng Tang ... Scott D Emr
    ESCRT-III heteropolymers utilize non-specific lateral electrostatic interactions to recognize one another, which may enable the polymers to slide along one another and adapt to different curvatures.
    1. Evolutionary Biology

    Emergence of catalytic function in prebiotic information-coding polymers

    Alexei V Tkachenko, Sergei Maslov
    Theoretical scenario for prebiotic polymers capable of nonenzymatic replication to acquire an early catalytic function, specifically cleavage activity.
    1. Cell Biology

    Structure of cellular ESCRT-III spirals and their relationship to HIV budding

    Anil G Cashikar, Soomin Shim ... Phyllis I Hanson
    Electron microscopy on native membranes reveals the shape and potential function of protein machinery responsible for budding vesicles and viruses away from the cytoplasm.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Design principles of the ESCRT-III Vps24-Vps2 module

    Sudeep Banjade, Yousuf H Shah ... Scott D Emr
    Laterally associating specific ESCRT-III subunits can replace one another with simple modifications, providing insights into the design principles of ESCRT-III heteropolymerization.
    1. Biochemistry and Chemical Biology

    The glucuronyltransferase B4GAT1 is required for initiation of LARGE-mediated α-dystroglycan functional glycosylation

    Tobias Willer, Kei-ichiro Inamori ... Kevin P Campbell
    Post-phosphoryl modification of α-dystroglycan requires the glucuronyltransferase B4GAT1; this enzyme synthesizes the acceptor glycan that serves as a primer for the glycosyltransferase LARGE to synthesize the laminin-binding glycan.
    1. Physics of Living Systems
    2. Structural Biology and Molecular Biophysics

    Protein compactness and interaction valency define the architecture of a biomolecular condensate across scales

    Anton A Polyansky, Laura D Gallego ... Bojan Zagrovic
    A colloid fractal cluster model provides a quantitative link between the atomistic features of an intrinsically disordered polypeptide and the spatial organization of the biomolecular condensate it forms.
    1. Cell Biology
    2. Physics of Living Systems

    Golgi compartments enable controlled biomolecular assembly using promiscuous enzymes

    Anjali Jaiman, Mukund Thattai
    By partitioning promiscuous enzymes across multiple Golgi compartments, eukaryotic cells can tightly control the synthesis of complex sugar oligomers.
    1. Microbiology and Infectious Disease
    2. Structural Biology and Molecular Biophysics

    An asymmetric sheath controls flagellar supercoiling and motility in the leptospira spirochete

    Kimberley H Gibson, Felipe Trajtenberg ... Charles Vaughn Sindelar
    The corkscrew-like motility of Spirochete bacteria is enabled by a unique, asymmetrically constructed flagellum that wraps around the cell body within the periplasm.
    1. Biochemistry and Chemical Biology

    Membrane-partitioned cell wall synthesis in mycobacteria

    Alam García-Heredia, Takehiro Kado ... M Sloan Siegrist
    Mycobacteria employ plasma membrane compartments to organize their cell wall synthesis, and the finalized cell wall compartmentalizes the plasma membrane to promote an environment conducive to its own synthesis.

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