An emerging consensus on voltage-dependent gating from computational modeling and molecular dynamics simulations

E Vargas, V Yarov-Yarovoy, F Khalili-Araghi… - Journal of General …, 2012 - rupress.org
Developing an understanding of the mechanism of voltage-gated ion channels in molecular
terms requires knowledge of the structure of the active and resting conformations. Although …

Nanosecond pulsed electric field (nsPEF): Opening the biotechnological Pandora's box

AR Ruiz-Fernández, L Campos… - International Journal of …, 2022 - mdpi.com
Nanosecond Pulsed Electric Field (nsPEF) is an electrostimulation technique first developed
in 1995; nsPEF requires the delivery of a series of pulses of high electric fields in the order of …

C-type inactivation of voltage-gated K+ channels: Pore constriction or dilation?

T Hoshi, CM Armstrong - Journal of General Physiology, 2013 - rupress.org
© 2013 Hoshi and Armstrong This article is distributed under the terms of an Attribution–
Noncommercial–Share Alike–No Mirror Sites license for the first six months after the …

[HTML][HTML] Structural correlates of selectivity and inactivation in potassium channels

JG McCoy, CM Nimigean - Biochimica et Biophysica Acta (BBA) …, 2012 - Elsevier
Potassium channels are involved in a tremendously diverse range of physiological
applications requiring distinctly different functional properties. Not surprisingly, the amino …

Cross Talk between Activation and Slow Inactivation Gates of Shaker Potassium Channels

G Panyi, C Deutsch - The Journal of general physiology, 2006 - rupress.org
This study addresses the energetic coupling between the activation and slow inactivation
gates of Shaker potassium channels. To track the status of the activation gate in inactivated …

Individual ion binding sites in the K+ channel play distinct roles in C-type inactivation and in recovery from inactivation

K Matulef, AW Annen, JC Nix, FI Valiyaveetil - Structure, 2016 - cell.com
The selectivity filter of K+ channels contains four ion binding sites (S1–S4) and serves dual
functions of discriminating K+ from Na+ and acting as a gate during C-type inactivation. C …

Mechanism of intracellular block of the KcsA K+ channel by tetrabutylammonium: insights from X-ray crystallography, electrophysiology and replica-exchange …

JD Faraldo-Gómez, E Kutluay, V Jogini, Y Zhao… - Journal of molecular …, 2007 - Elsevier
The mechanism of intracellular blockade of the KcsA potassium channel by
tetrabutylammonium (TBA) is investigated through functional, structural and computational …

Transmembrane Communication: General Principles and Lessons from the Structure and Function of the M2 Proton Channel, K+ Channels, and Integrin Receptors

G Grigoryan, DT Moore… - Annual review of …, 2011 - annualreviews.org
Signal transduction across biological membranes is central to life. This process generally
happens through communication between different domains and hierarchical coupling of …

Deprotonation by dehydration: the origin of ammonium sensing in the AmtB channel

DL Bostick, CLB III - PLoS computational biology, 2007 - journals.plos.org
The AmtB channel passively allows the transport of NH4+ across the membranes of bacteria
via a “gas” NH3 intermediate and is related by homology (sequentially, structurally, and …

Conformational changes in the selectivity filter of the open-state KcsA channel: an energy minimization study

GV Miloshevsky, PC Jordan - Biophysical journal, 2008 - cell.com
Potassium channels switch between closed and open conformations and selectively
conduct K+ ions. There are at least two gates. The TM2 bundle at the intracellular site is the …