1,148 results found
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Transcriptomic and proteomic landscape of mitochondrial dysfunction reveals secondary coenzyme Q deficiency in mammals

    Inge Kühl et al.
    Comparative -omic analyses of five knockout mouse strains with disrupted mitochondrial DNA expression at different levels provide a high quality resource of altered gene expression patterns that reveal several common secondary patophysiological changes of mitochondrial dysfunction.
    1. Cell Biology

    Mitochondrial CoQ deficiency is a common driver of mitochondrial oxidants and insulin resistance

    Daniel J Fazakerley et al.
    Lower mitochondrial coenzyme Q was a consistent feature across multiple in vitro and in vivo models of insulin resistance and was sufficient to cause insulin resistance through increased mitochondrial oxidants.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Atomic structure of a mitochondrial complex I intermediate from vascular plants

    Maria Maldonado et al.
    The first atomic resolution structure of a mitochondrial respiratory complex from plants provides insight into the assembly and evolution of respiration in autotrophic eukaryotes.
    1. Structural Biology and Molecular Biophysics

    Structure of Escherichia coli respiratory complex I reconstituted into lipid nanodiscs reveals an uncoupled conformation

    Piotr Kolata, Rouslan G Efremov
    The dynamic structure of respiratory complex I from mesophilic bacterium is revealed and demonstrates existence of uncoupled conformations in the bacterial complex.
    1. Evolutionary Biology

    Robust and accurate prediction of residue–residue interactions across protein interfaces using evolutionary information

    Sergey Ovchinnikov et al.
    Co-evolving residue pairs in the different components of a protein complex almost always make contact across the protein–protein interface, thus providing powerful restraints for the modeling of protein complexes.
    1. Structural Biology and Molecular Biophysics

    Sequence co-evolution gives 3D contacts and structures of protein complexes

    Thomas A Hopf et al.
    Interactions in protein complexes can be predicted from evolutionary information from genomic sequences.
    1. Cell Biology
    2. Neuroscience

    Small-molecule G-quadruplex stabilizers reveal a novel pathway of autophagy regulation in neurons

    Jose F Moruno-Manchon et al.
    G-quadruplex DNA regulates autophagy in neurons.
    1. Structural Biology and Molecular Biophysics

    Structure of mycobacterial CIII2CIV2 respiratory supercomplex bound to the tuberculosis drug candidate telacebec (Q203)

    David J Yanofsky et al.
    The structure of the Mycobacterium smegmatis CIII2CIV2 respiratory supercomplex with telacebec (Q203) bound shows how this tuberculosis drug candidate blocks respiration in mycobacteria.
    1. Structural Biology and Molecular Biophysics

    Cryo-EM structure of respiratory complex I at work

    Kristian Parey et al.
    The site of ubiquinone binding observed in the cryo-EM structure of respiratory complex I during turnover supports a two-state stabilization change mechanism.
    1. Structural Biology and Molecular Biophysics

    The hydrophobic nature of a novel membrane interface regulates the enzyme activity of a voltage-sensing phosphatase

    Akira Kawanabe et al.
    Electrophysiological and fluorometric studies of Ci-VSP expressed in Xenopus oocyte revealed two states of the enzyme region with distinct enzyme activity and distinct coupling to the voltage sensor.

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