Single-molecule enzymatic dynamics

HP Lu, L Xun, XS Xie - Science, 1998 - science.org
Enzymatic turnovers of single cholesterol oxidase molecules were observed in real time by
monitoring the emission from the enzyme's fluorescent active site, flavin adenine …

Enzyme dynamics during catalysis

EZ Eisenmesser, DA Bosco, M Akke, D Kern - Science, 2002 - science.org
Internal protein dynamics are intimately connected to enzymatic catalysis. However, enzyme
motions linked to substrate turnover remain largely unknown. We have studied dynamics of …

Conformational cycle of a single working enzyme

N Agmon - The Journal of Physical Chemistry B, 2000 - ACS Publications
By simultaneous analysis of the on-time distribution and autocorrelation function of a single
working cholesterol oxidase enzyme, a diffusional model reveals the coupling of …

Dynamic visions of enzymatic reactions

M Vendruscolo, CM Dobson - Science, 2006 - science.org
Published by AAAS achieve a sophisticated series of changes in structure and dynamics.
According to this view, for each state along the enzymatic cycle of dihydrofolate reductase …

Stretched exponential decay and correlations in the catalytic activity of fluctuating single lipase molecules

O Flomenbom, K Velonia, D Loos… - Proceedings of the …, 2005 - National Acad Sciences
Single-molecule techniques offer a unique tool for studying the dynamical behavior of
individual molecules and provide the possibility to construct distributions from individual …

Distinct and long-lived activity states of single enzyme molecules

DM Rissin, HH Gorris, DR Walt - Journal of the American …, 2008 - ACS Publications
Individual enzyme molecules have been observed to possess discrete and different turnover
rates due to the presence of long-lived activity states. These stable activity states are thought …

A dynamic knockout reveals that conformational fluctuations influence the chemical step of enzyme catalysis

G Bhabha, J Lee, DC Ekiert, J Gam, IA Wilson… - Science, 2011 - science.org
Conformational dynamics play a key role in enzyme catalysis. Although protein motions
have clear implications for ligand flux, a role for dynamics in the chemical step of enzyme …

Single molecule studies of enzyme mechanisms

RD Smiley, GG Hammes - Chemical reviews, 2006 - ACS Publications
The study of single molecules is a relatively new field of research but covers a wide range of
systems from dilute gases to complex biological systems. A recent issue of Accounts of …

Fluctuating enzymes: lessons from single-molecule studies

W Min, BP English, G Luo, BJ Cherayil… - Accounts of chemical …, 2005 - ACS Publications
Recent single-molecule enzymology measurements with improved statistics have
demonstrated that a single enzyme molecule exhibits large temporal fluctuations of the …

The role of dimer asymmetry and protomer dynamics in enzyme catalysis

TH Kim, P Mehrabi, Z Ren, A Sljoka, C Ing, A Bezginov… - Science, 2017 - science.org
INTRODUCTION Enzymes greatly accelerate biochemical reactions by providing a scaffold
to bind and recognize substrate, position catalytic units, and facilitate the formation of …