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.
Suv39h1 chromodomain possesses nucleic acid-binding activity and this activity is coupled with its H3K9 methylation recognition in assembling heterochromatin.
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.
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.
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.
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.
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.
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.