A Chimeric DNA/RNA Antiparallel Quadruplex with Improved Stability
ChemistryOpen, 2022 Nucleic acid quadruplexes are proposed to play a role in the regulation of gene expression, are often present in aptamers selected for specific binding functions and have potential applications in medicine and biotechnology.
Elaina P. Boyle +3 more
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Identification of G-quadruplex DNA/RNA binders: Structure-based virtual screening and biophysical characterization [PDF]
, 2017 Background Recent findings demonstrated that, in mammalian cells, telomere DNA (Tel) is transcribed into telomeric repeat-containing RNA (TERRA), which is involved in fundamental biological processes, thus representing a promising anticancer target. For
Alcaro, Stefano +11 more
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The conformation of single‐stranded nucleic acids [PDF]
European Journal of Biochemistry, 1990 Conformational analyses using the single‐strand‐specific nuclease from mung bean and restriction endonucleases have been performed on a series of DNA fragments related to the sequence of the yeast initiator tRNAMet. Mung bean nuclease cleaves DNA fragments exclusively in some, but not all, single‐stranded regions as predicted by RNA secondary rules ...
J, Paquette +4 more
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Formation of a Unique Cluster of G-Quadruplex Structures in the HIV-1 nef Coding Region: Implications for Antiviral Activity [PDF]
, 2013 G-quadruplexes are tetraplex structures of nucleic acids that can form in G-rich sequences. Their presence and functional role have been established in telomeres, oncogene promoters and coding regions of the human chromosome.
Frasson, Ilaria +8 more
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Atypical response regulator ChxR from Chlamydia trachomatis is structurally poised for DNA binding. [PDF]
PLoS ONE, 2014 ChxR is an atypical two-component signal transduction response regulator (RR) of the OmpR/PhoB subfamily encoded by the obligate intracellular bacterial pathogen Chlamydia trachomatis. Despite structural homology within both receiver and effector domains
Michael L Barta +5 more
doaj +1 more source
ATPase mechanism of the 5'-3' DNA helicase, RecD2: evidence for a pre-hydrolysis conformation change [PDF]
, 2013 The superfamily 1 helicase, RecD2, is a monomeric, bacterial enzyme with a role in DNA repair, but with 5'-3' activity unlike most enzymes from this superfamily. Rate constants were determined for steps within the ATPase cycle of RecD2 in the presence of
Bae +34 more
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Molecules, 2021 Specific RNA sequences regulate functions essential to life. The Trans-Activation Response element (TAR) is an RNA stem–bulge–loop structure involved in several steps of HIV-1 replication.
Alice Sosic +5 more
doaj +1 more source
Stacking-induced fluorescence increase reveals allosteric interactions through DNA [PDF]
, 2018 From gene expression to nanotechnology, understanding and controlling DNA requires a detailed knowledge of its higher order structure and dynamics. Here we take advantage of the environment-sensitive photoisomerization of cyanine dyes to probe local and ...
Lopez, Sergio G. +4 more
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Original Synthesis of a Nucleolipid for Preparation of Vesicular Spherical Nucleic Acids
Nanomaterials, 2022 Spherical nucleic acids (SNAs)—nanostructures, consisting of a nanoparticle core densely functionalized with a shell of short oligonucleotide strands—are a rapidly emerging class of nanoparticle-based therapeutics with unique properties and specific ...
Erik Dimitrov +8 more
doaj +1 more source
Pathogenic mutations in the hydrophobic core of the human prion protein can promote structural instability and misfolding [PDF]
, 2010 Transmissible spongiform encephalopathies, or prion diseases, are caused by misfolding and aggregation of the prion protein PrP. These diseases can be hereditary in humans and four of the many disease-associated missense mutants of PrP are in the ...
Daggett, Valerie, van der Kamp, Marc W
core +2 more sources