The roles of structural dynamics in the cellular functions of RNAs

LR Ganser, ML Kelly, D Herschlag… - … reviews Molecular cell …, 2019 - nature.com
RNAs fold into 3D structures that range from simple helical elements to complex tertiary
structures and quaternary ribonucleoprotein assemblies. The functions of many regulatory …

Characterizing micro-to-millisecond chemical exchange in nucleic acids using off-resonance R1ρ relaxation dispersion

A Rangadurai, ES Szymaski, IJ Kimsey, H Shi… - Progress in nuclear …, 2019 - Elsevier
This review describes off-resonance R 1ρ relaxation dispersion NMR methods for
characterizing microsecond-to-millisecond chemical exchange in uniformly 13 C/15 N …

2′-O-Methylation can increase the abundance and lifetime of alternative RNA conformational states

H Abou Assi, AK Rangadurai, H Shi, B Liu… - Nucleic acids …, 2020 - academic.oup.com
O-Methyl (Nm) is a highly abundant post-transcriptional RNA modification that plays
important biological roles through mechanisms that are not entirely understood. There is …

An RNA excited conformational state at atomic resolution

A Geng, L Ganser, R Roy, H Shi, S Pratihar… - Nature …, 2023 - nature.com
Sparse and short-lived excited RNA conformational states are essential players in cell
physiology, disease, and therapeutic development, yet determining their 3D structures …

RNA dynamics by NMR spectroscopy

M Marušič, J Schlagnitweit, K Petzold - ChemBioChem, 2019 - Wiley Online Library
An ever‐increasing number of functional RNAs require a mechanistic understanding. RNA
function relies on changes in its structure, so‐called dynamics. To reveal dynamic processes …

Understanding the contributions of conformational changes, thermodynamics, and kinetics of RNA–small molecule interactions

A Umuhire Juru, NN Patwardhan… - ACS chemical …, 2019 - ACS Publications
The implication of RNA in multiple cellular processes beyond protein coding has revitalized
interest in the development of small molecules for therapeutically targeting RNA and for …

Alternative RNA Conformations: Companion or Combatant

P Gupta, RM Khadake, S Panja, K Shinde, AB Rode - Genes, 2022 - mdpi.com
RNA molecules, in one form or another, are involved in almost all aspects of cell physiology,
as well as in disease development. The diversity of the functional roles of RNA comes from …

Exposing hidden high-affinity RNA conformational states

NI Orlovsky, HM Al-Hashimi, TG Oas - Journal of the American …, 2019 - ACS Publications
RNA recognition frequently results in conformational changes that optimize intermolecular
binding. As a consequence, the overall binding affinity of RNA to its binding partners …

Face-time with TAR: Portraits of an HIV-1 RNA with diverse modes of effector recognition relevant for drug discovery

SS Chavali, R Bonn-Breach, JE Wedekind - Journal of Biological Chemistry, 2019 - ASBMB
Small molecules and short peptides that potently and selectively bind RNA are rare, making
the molecular structures of these complexes highly exceptional. Accordingly, several recent …

Probing RNA conformational equilibria within the functional cellular context

LR Ganser, CC Chu, HP Bogerd, ML Kelly, BR Cullen… - Cell reports, 2020 - cell.com
Low-abundance short-lived non-native conformations referred to as excited states (ESs) are
increasingly observed in vitro and implicated in the folding and biological activities of …