39 results found
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Rationally derived inhibitors of hepatitis C virus (HCV) p7 channel activity reveal prospect for bimodal antiviral therapy

    Joseph Shaw, Rajendra Gosain ... Stephen Griffin
    Exploiting virus-encoded ion channels as drug targets drove a multi-faceted approach to deriving potent small molecules targeting HCV p7, simultaneously providing new insights into its fundamental biology.
    1. Structural Biology and Molecular Biophysics

    Wide Transition-State Ensemble as Key Component for Enzyme Catalysis

    Gabriel Ernesto Jara, Francesco Pontiggia ... Dorothee Kern
    Revised
    Reviewed Preprint v3
    Updated
    • Important
    • Solid
    • Incomplete
    1. Structural Biology and Molecular Biophysics

    Conformational dynamics of a nicotinic receptor neurotransmitter site

    Mrityunjay Singh, Dinesh C Indurthi ... Shailendra Asthana
    MD-simulations reveal low- to high-affinity conformational shift of orthosteric site in the nicotinic acetylcholine receptor, offering insight into agonist roles in activation dynamics, and highlighting the utility of agonist efficiency.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Timing of ESCRT-III protein recruitment and membrane scission during HIV-1 assembly

    Daniel S Johnson, Marina Bleck, Sanford M Simon
    During viral assembly, ESCRTIII and VPS4 are recruited after most of the HIV-1 membrane is bent but disappear prior to scission of the virion from the cell.
    1. Structural Biology and Molecular Biophysics

    A CLC-ec1 mutant reveals global conformational change and suggests a unifying mechanism for the CLC Cl/H+ transport cycle

    Tanmay S Chavan, Ricky C Cheng ... Merritt Maduke
    Crystallography together with electron-resonance spectroscopy, molecular-dynamics simulations, and transport measurements reveal the molecular details of protein conformational change, and how this change contributes to function in a CLC-type chloride/proton exchanger.
    1. Neuroscience

    Optocontrol of glutamate receptor activity by single side-chain photoisomerization

    Viktoria Klippenstein, Christian Hoppmann ... Pierre Paoletti
    Introduction of single photoswitchable unnatural amino acid into a neuronal receptor provides reversible, rapid and robust control of its activity by light, representing an important contribution to the fast expanding field of optopharmacology.
    1. Structural Biology and Molecular Biophysics

    Structure of the two-component S-layer of the archaeon Sulfolobus acidocaldarius

    Lavinia Gambelli, Mathew McLaren ... Bertram Daum
    CryoEM reveals the structure of a two-component archaeal S-layer, which sheds new light on archaeal cell biology.
    1. Biochemistry and Chemical Biology

    Cooperation among c-subunits of FoF1-ATP synthase in rotation-coupled proton translocation

    Noriyo Mitome, Shintaroh Kubo ... Shoji Takada
    Biochemical analysis on hetero-mutated c10 subunits ring and molecular dynamics simulations demonstrate the cooperation among c-subunits of FoF1-ATP synthase in rotation-coupled proton translocation.
    1. Microbiology and Infectious Disease
    2. Structural Biology and Molecular Biophysics

    A pH-dependent cluster of charges in a conserved cryptic pocket on flaviviral envelopes

    Lorena Zuzic, Jan K Marzinek ... Peter J Bond
    Benzene mapping simulations of envelope protein rafts from six different flaviviruses reveal a conserved cryptic site whose cluster of ionisable residues is likely responsible for orchestrating pH-dependent conformational changes during fusion, thereby representing an attractive target for antiviral development.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structures in multiple conformations reveal distinct transition metal and proton pathways in an Nramp transporter

    Aaron T Bozzi, Christina M Zimanyi ... Rachelle Gaudet
    Nramp-family transporters adapt a common fold to a novel mechanism in which the spatial and temporal separation of like-charge transition metal and proton co-substrates circumvents the expected electrostatic repulsion.

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