5,290 results found
    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 et al.
    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. Evolutionary Biology

    Large-scale determination of previously unsolved protein structures using evolutionary information

    Sergey Ovchinnikov et al.
    A new method of protein structure prediction that incorporates residue–residue co-evolution information into the Rosetta structure prediction program was used to develop models for 58 large protein families that had no previous structural information.
    1. Structural Biology and Molecular Biophysics

    Proton currents constrain structural models of voltage sensor activation

    Aaron L Randolph et al.
    Electrophysiological and computational techniques provide a structural basis for understanding the conformational changes that are required to activate Hv1 proton channels.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    Crystal structure of intraflagellar transport protein 80 reveals a homo-dimer required for ciliogenesis

    Michael Taschner et al.
    CRISPR/Cas knockout of intraflagellar transport protein 80 shows that this subunit is absolutely required for ciliogenesis, and biophysical studies reveal that this protein may dimerize the intraflagellar transport complex.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structural basis for the recognition of spliceosomal SmN/B/B’ proteins by the RBM5 OCRE domain in splicing regulation

    André Mourão et al.
    Interactions with Sm proteins can provide a way in which regulatory factors can modulate alternative splice site choices.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Cryo-EM structure of the adenosine A2A receptor coupled to an engineered heterotrimeric G protein

    Javier García-Nafría et al.
    The adenosine A2a receptor couples to the heterotrimeric G protein Gs using both conserved contacts seen in other complexes and, in addition, novel contacts to the beta subunit of the G protein.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    Structural organization of a major neuronal G protein regulator, the RGS7-Gβ5-R7BP complex

    Dipak N Patil et al.
    Atomic details on structural organization and conformational dynamics of the key regulator of neuronal signaling shed light on its allosteric regulation and role in regulating cellular pathways.
    1. Structural Biology and Molecular Biophysics

    Structure of the AAA protein Msp1 reveals mechanism of mislocalized membrane protein extraction

    Lan Wang et al.
    Msp1 recruits substrates at the open seam of the spiral oligomer and extracts them with functionally adapted elements.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structural basis of proton translocation and force generation in mitochondrial ATP synthase

    Niklas Klusch et al.
    Cryo-EM reveals atomic details of two membrane half-channels for translocation of protons that drive rotary catalysis in ATP synthase.
    1. Structural Biology and Molecular Biophysics

    Modelling dynamics in protein crystal structures by ensemble refinement

    B Tom Burnley et al.
    A combination of molecular dynamics simulations and X-ray diffraction data has been used to construct more realistic models of proteins and to provide new insights into their interactions with other proteins and biomolecules.

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