Ancillary Subunits Associated With Voltage-Dependent K+ Channels

O Pongs, JR Schwarz - Physiological reviews, 2010 - journals.physiology.org
Since the first discovery of Kvβ-subunits more than 15 years ago, many more ancillary Kv
channel subunits were characterized, for example, KChIPs, KCNEs, and BKβ-subunits. The …

SKCa-and Kv1-type potassium channels and cancer: Promising therapeutic targets?

M Dupuy, M Gueguinou, M Potier-Cartereau… - Biochemical …, 2023 - Elsevier
Ion channels are transmembrane structures that allow the passage of ions across cell
membranes such as the plasma membrane or the membranes of various organelles like the …

[HTML][HTML] Emerging roles for multifunctional ion channel auxiliary subunits in cancer

AS Haworth, WJ Brackenbury - Cell Calcium, 2019 - Elsevier
Several superfamilies of plasma membrane channels which regulate transmembrane ion
flux have also been shown to regulate a multitude of cellular processes, including …

Mutations within the S4–S5 linker alter voltage sensor constraints in hERG K+ channels

AC Van Slyke, S Rezazadeh, M Snopkowski, P Shi… - Biophysical journal, 2010 - cell.com
Human ether-a-go-go related gene (hERG) channel gating is associated with slow
activation, yet the mechanistic basis for this is unclear. Here, we examine the effects of …

Why do platelets express K+ channels?

JR Wright, MP Mahaut-Smith - Platelets, 2021 - Taylor & Francis
Potassium ions have widespread roles in cellular homeostasis and activation as a
consequence of their large outward concentration gradient across the surface membrane …

Functional site-directed fluorometry

M Priest, F Bezanilla - Novel Chemical Tools to Study Ion Channel Biology, 2015 - Springer
Initially developed in the mid-1990s to examine the conformational changes of the canonical
Shaker voltage-gated potassium channel, functional site-directed fluorometry has since …

Tracking the movement of discrete gating charges in a voltage-gated potassium channel

MF Priest, EEL Lee, F Bezanilla - Elife, 2021 - elifesciences.org
Positively charged amino acids respond to membrane potential changes to drive voltage
sensor movement in voltage-gated ion channels, but determining the displacements of …

Extracellular redox sensitivity of Kv1. 2 potassium channels

VA Baronas, RY Yang, HT Kurata - Scientific reports, 2017 - nature.com
Kv1. 2 is a prominent potassium channel subtype in the nervous system and serves as an
important structural template for investigation of ion channel function. However, Kv1. 2 …

Fast and slow voltage sensor rearrangements during activation gating in Kv1. 2 channels detected using tetramethylrhodamine fluorescence

AJ Horne, CJ Peters, TW Claydon… - Journal of General …, 2010 - rupress.org
The Kv1. 2 channel, with its high resolution crystal structure, provides an ideal model for
investigating conformational changes associated with channel gating, and fluorescent …

Basis for allosteric open-state stabilization of voltage-gated potassium channels by intracellular cations

SJ Goodchild, H Xu, Z Es-Salah-Lamoureux… - Journal of General …, 2012 - rupress.org
The open state of voltage-gated potassium (Kv) channels is associated with an increased
stability relative to the pre-open closed states and is reflected by a slowing of OFF gating …