1,210 results found
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structural basis of nucleic-acid recognition and double-strand unwinding by the essential neuronal protein Pur-alpha

    Janine Weber, Han Bao ... Dierk Niessing
    The crystal structure of Pur-alpha in complex with DNA reveals its molecular mechanisms of nucleic-acid binding and unwinding, allowing for a better understanding of its essential role in neurons.
    1. Chromosomes and Gene Expression

    Impact of nucleic acid and methylated H3K9 binding activities of Suv39h1 on its heterochromatin assembly

    Atsuko Shirai, Takayuki Kawaguchi ... Yoichi Shinkai
    Suv39h1 chromodomain possesses nucleic acid-binding activity and this activity is coupled with its H3K9 methylation recognition in assembling heterochromatin.
    1. Cell Biology
    2. Neuroscience

    Matrin 3-dependent neurotoxicity is modified by nucleic acid binding and nucleocytoplasmic localization

    Ahmed M Malik, Roberto A Miguez ... Sami J Barmada
    The deposition of Matrin 3, a DNA/RNA binding protein implicated in ALS and FTD, results in neurodegeneration dependent upon its localization, self-association, and ability to bind nucleic acids.
    1. Structural Biology and Molecular Biophysics

    Viral genome structures are optimal for capsid assembly

    Jason D Perlmutter, Cong Qiao, Michael F Hagan
    Computer simulations reveal that viral nucleic acids have an ideal structure for being packaged into outer protein shells called capsids.
    1. Biochemistry and Chemical Biology

    Saccharomyces cerevisiae DJ-1 paralogs maintain genome integrity through glycation repair of nucleic acids and proteins

    Gautam Susarla, Priyanka Kataria ... Patrick D'Silva
    Yeast DJ-1 homologs are molecular erasers of glycation adducts on cellular macromolecules and preserve mitochondrial health through redistributing into mitochondria under elevated carbonyl stress.
    1. Structural Biology and Molecular Biophysics

    Structural insights into the nucleic acid remodeling mechanisms of the yeast THO-Sub2 complex

    Sandra K Schuller, Jan M Schuller ... Elena Conti
    The THO-Sub2 complex is an asymmetric homodimer that uses the spatial arrangement of two Sub2 helicases to prevent RNA:DNA hybrids.
    1. Biochemistry and Chemical Biology

    Random-sequence genetic oligomer pools display an innate potential for ligation and recombination

    Hannes Mutschler, Alexander I Taylor ... Philipp Holliger
    Random sequence RNA pools display an innate capacity for ligation and recombination, enabling them to “bootstrap” themselves towards higher compositional, informational and structural complexity.
    1. Structural Biology and Molecular Biophysics

    Acidic C-terminal domains autoregulate the RNA chaperone Hfq

    Andrew Santiago-Frangos, Jeliazko R Jeliazkov ... Sarah A Woodson
    Modeling and biophysics show that the unstructured acidic tail of the Sm protein Hfq mimics nucleic acid to auto inhibit its chaperone activity, preventing Hfq from being sequestered by inauthentic substrates and providing insight into the evolution of Hfq's chaperone function among bacterial genera.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Genome-wide DNA hypomethylation and RNA:DNA hybrid accumulation in Aicardi–Goutières syndrome

    Yoong Wearn Lim, Lionel A Sanz ... Frédéric Chédin
    Global epigenetic perturbations and accumulation of RNA:DNA hybrids are two novel hallmarks of the lupus-like inflammatory disorder Aicardi-Goutières syndrome.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structural basis of transcription arrest by coliphage HK022 Nun in an Escherichia coli RNA polymerase elongation complex

    Jin Young Kang, Paul Dominic B Olinares ... Seth A Darst
    Cryo-electron microscopy structures show how coliphage HK022 Nun blocks Escherichia coli RNA polymerase translocation by mediating multiple interactions between the RNA polymerase and nucleic acids.

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