39 results found
    1. Structural Biology and Molecular Biophysics

    Screening of candidate substrates and coupling ions of transporters by thermostability shift assays

    Homa Majd et al.
    It is technically difficult to identify transport proteins, but here a method is presented that exploits the principle that they are stabilized in detergent solution when they bind their substrate.
    1. Structural Biology and Molecular Biophysics

    Structure of a type IV pilus machinery in the open and closed state

    Vicki AM Gold et al.
    Electron cryo-tomography reveals a huge conformational change in the secretin domain of the type IV pilus machinery that occurs when the channel opens for pilus extrusion.
    1. Computational and Systems Biology
    2. Structural Biology and Molecular Biophysics

    Computational design of thermostabilizing point mutations for G protein-coupled receptors

    Petr Popov et al.
    A comprehensive approach to prediction of stabilizing mutations in G-protein coupled receptors yields high hit rate and crystal structures of 5HT2C in both active and inactive states.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    The Peptidisc, a simple method for stabilizing membrane proteins in detergent-free solution

    Michael Luke Carlson et al.
    A simple, yet elegant method for robust self-assembly of diverse membrane proteins into soluble peptide nanoparticles for their structural and functional analysis in detergent-free solutions.
    1. Computational and Systems Biology

    Determination of ubiquitin fitness landscapes under different chemical stresses in a classroom setting

    David Mavor et al.
    Chemical perturbation-dependent deep mutational scanning data collected by a lab-based interdisciplinary graduate class resolves a paradox between the high evolution conservation and the high mutational tolerance of the protein ubiquitin.
    1. Computational and Systems Biology
    2. Structural Biology and Molecular Biophysics

    Approaching boiling point stability of an alcohol dehydrogenase through computationally-guided enzyme engineering

    Friso S Aalbers et al.
    By combining structure-based computational predictions and a thorough structural analysis, a highly thermostable enzyme, alcohol dehydrogenase, has been engineered.
    1. Computational and Systems Biology
    2. Physics of Living Systems

    Epistasis and entrenchment of drug resistance in HIV-1 subtype B

    Avik Biswas et al.
    Drug resistance in HIV is the result of mutations, which affect fitness depending on epistatic interactions with the entire sequence background that varies within and between patient populations.
    1. Biochemistry and Chemical Biology

    SETD3 protein is the actin-specific histidine N-methyltransferase

    Sebastian Kwiatkowski et al.
    Histone-lysine N-methyltransferase SETD3 (NP_115609.2) was identified as the actin-specific histidine N-methyltransferase, an enzyme catalyzing the extremely well-conserved methylation of H73 in β-actin.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    Toxoplasma gondii peptide ligands open the gate of the HLA class I binding groove

    Curtis McMurtrey et al.
    T. gondii infection alters how peptide ligands are presented to the immune system by inducing a previously unreported structural change in Human Leukocyte Antigens (HLAs).
    1. Structural Biology and Molecular Biophysics

    Structural basis for the reaction cycle of DASS dicarboxylate transporters

    David B Sauer et al.
    Structures of multiple states of two dicarboxylate transporters explain the conformational changes needed for substrate import.

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