Fluorescence resonance energy transfer at the single-molecule level

T Ha, J Fei, S Schmid, NK Lee… - Nature Reviews …, 2024 - nature.com
Fluorescence resonance energy transfer (FRET) is a powerful spectroscopic method for
measuring distances in the 2–8 nm range. Often, conformational changes and molecular …

The expanded genetic alphabet

DA Malyshev, FE Romesberg - … Chemie International Edition, 2015 - Wiley Online Library
All biological information, since the last common ancestor of all life on Earth, has been
encoded by a genetic alphabet consisting of only four nucleotides that form two base pairs …

Sequential requirements for distinct Polθ domains during theta-mediated end joining

C Fijen, LD Beckham, D Terino, Y Li, DA Ramsden… - Molecular Cell, 2024 - cell.com
DNA polymerase θ (Polθ) plays a central role in a DNA double-strand break repair pathway
termed theta-mediated end joining (TMEJ). TMEJ functions by pairing short-sequence" …

The conformational dynamics of Cas9 governing DNA cleavage are revealed by single-molecule FRET

M Yang, S Peng, R Sun, J Lin, N Wang, C Chen - Cell reports, 2018 - cell.com
Off-target binding and cleavage by Cas9 pose major challenges in its application. How the
conformational dynamics of Cas9 govern its nuclease activity under on-and off-target …

Single-molecule view of basal activity and activation mechanisms of the G protein-coupled receptor β2AR

R Lamichhane, JJ Liu, G Pljevaljcic… - Proceedings of the …, 2015 - National Acad Sciences
Binding of extracellular ligands to G protein-coupled receptors (GPCRs) initiates
transmembrane signaling by inducing conformational changes on the cytoplasmic receptor …

Polγ coordinates DNA synthesis and proofreading to ensure mitochondrial genome integrity

J Park, GK Herrmann, PG Mitchell… - Nature structural & …, 2023 - nature.com
Accurate replication of mitochondrial DNA (mtDNA) by DNA polymerase γ (Polγ) is essential
for maintaining cellular energy supplies, metabolism, and cell cycle control. To illustrate the …

Label-free optical detection of single enzyme-reactant reactions and associated conformational changes

E Kim, MD Baaske, I Schuldes, PS Wilsch… - Science advances, 2017 - science.org
Monitoring the kinetics and conformational dynamics of single enzymes is crucial to better
understand their biological functions because these motions and structural dynamics are …

Engineering polymerases for applications in synthetic biology

A Nikoomanzar, N Chim, EJ Yik… - Quarterly reviews of …, 2020 - cambridge.org
DNA polymerases play a central role in biology by transferring genetic information from one
generation to the next during cell division. Harnessing the power of these enzymes in the …

Biased signaling of the G-protein-coupled receptor β2AR is governed by conformational exchange kinetics

R Lamichhane, JJ Liu, KL White, V Katritch… - Structure, 2020 - cell.com
G-protein-coupled receptors (GPCRs) mediate a wide range of human physiological
functions by transducing extracellular ligand binding events into intracellular responses …

Slow conformational dynamics of the human A2A adenosine receptor are temporally ordered

S Wei, N Thakur, AP Ray, B Jin, S Obeng, CR McCurdy… - Structure, 2022 - cell.com
A more complete depiction of protein energy landscapes includes the identification of
different function-related conformational states and the determination of the pathways …