Browse our latest Structural Biology and Molecular Biophysics articles

Page 144 of 186
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Ric-8A, a G protein chaperone with nucleotide exchange activity induces long-range secondary structure changes in Gα

    Ravi Kant, Baisen Zeng ... Stephen R Sprang
    Hydrogen-Deuterium exchange experiments show that Ric-8A induces similar dynamic changes in the structure of Gα as G protein-coupled receptors, yet protects a larger surface of the nucleotide-binding Ras domain.
    1. Structural Biology and Molecular Biophysics
    2. Neuroscience

    Structural basis for subtype-specific inhibition of the P2X7 receptor

    Akira Karasawa, Toshimitsu Kawate
    Crystal structures of a mammalian P2X7 receptor and structure-based functional studies reveal a novel drug-binding site and subtype-specific conformational rearrangements required for channel opening.
    1. Structural Biology and Molecular Biophysics
    2. Computational and Systems Biology

    Transient protein-protein interactions perturb E. coli metabolome and cause gene dosage toxicity

    Sanchari Bhattacharyya, Shimon Bershtein ... Eugene I Shakhnovich
    Weak yet highly species-specific protein-protein interactions enhance the activity of metabolically related enzymes in bacteria at endogenous conditions, but also mean that overexpression of one partner leads to permanent non-physiological complexes and gene dosage toxicity.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Crenactin forms actin-like double helical filaments regulated by arcadin-2

    Thierry Izoré, Danguole Kureisaite-Ciziene ... Jan Löwe
    Close evolutionary relationship between eukaryotic F-actin and crenarchaeal crenactin protein is supported by a near-atomic cryoEM structure of double helical filaments, that are inhibited by arcadin-2 through binding to crenactin's hydrophobic groove.
    1. Structural Biology and Molecular Biophysics
    2. Neuroscience

    Neurodegenerative disease mutations in TREM2 reveal a functional surface and distinct loss-of-function mechanisms

    Daniel L Kober, Jennifer M Alexander-Brett ... Thomas J Brett
    Structural, biophysical, and functional analyses reveal that mutations in TREM2 trigger either misfolding or reduced binding to cell-surface glycosaminoglycans, which segregate with neurodegenerative disease link and highlight a functional surface linked to the pathogenesis of Alzheimer's disease.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Eukaryotic translation initiation factor 3 plays distinct roles at the mRNA entry and exit channels of the ribosomal preinitiation complex

    Colin Echeverría Aitken, Petra Beznosková ... Jon R Lorsch
    Eukaryotic translation initiation factor 3 (eIF3) is required to stabilize the binding of mRNA at the exit channel of the small ribosomal subunit and acts at the entry channel to accelerate mRNA recruitment to the translation preinitiation complex.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Labeling proteins inside living cells using external fluorophores for microscopy

    Kai Wen Teng, Yuji Ishitsuka ... Paul R Selvin
    A toxin is used to introduce an otherwise cell-impermeant fluorophore-antibody (or some thing which is equally specific) to bind to an intracellular protein which allows for super resolution imaging and single particle tracking inside the living cell.
    1. Structural Biology and Molecular Biophysics

    The angiopoietin-like protein ANGPTL4 catalyzes unfolding of the hydrolase domain in lipoprotein lipase and the endothelial membrane protein GPIHBP1 counteracts this unfolding

    Simon Mysling, Kristian Kølby Kristensen ... Michael Ploug
    Building on previous work (Mysling et al., 2016), it is shown that angiopoietin-like protein 4 (ANGPTL4) inhibits lipoprotein lipase activity by catalyzing the unfolding of its hydrolase domain.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structure of protein O-mannose kinase reveals a unique active site architecture

    Qinyu Zhu, David Venzke ... Junyu Xiao
    Active site migration establishes kinase activity in protein O-mannose kinase.