[HTML][HTML] Voltage sensors of a Na+ channel dissociate from the pore domain and form inter-channel dimers in the resting state

A Sumino, T Sumikama, M Shibata, K Irie - Nature Communications, 2023 - nature.com
Understanding voltage-gated sodium (Nav) channels is significant since they generate
action potential. Nav channels consist of a pore domain (PD) and a voltage sensor domain …

The structural basis of PTEN regulation by multi-site phosphorylation

DR Dempsey, T Viennet, R Iwase, E Park… - Nature structural & …, 2021 - nature.com
Phosphatase and tensin homolog (PTEN) is a phosphatidylinositol-3, 4, 5-triphosphate
(PIP3) phospholipid phosphatase that is commonly mutated or silenced in cancer. PTEN's …

[HTML][HTML] Coupling sensor to enzyme in the voltage sensing phosphatase

Y Yu, L Zhang, B Li, Z Fu, SG Brohawn… - Nature …, 2024 - nature.com
Voltage-sensing phosphatases (VSPs) dephosphorylate phosphoinositide (PIP) signaling
lipids in response to membrane depolarization. VSPs possess an S4-containing voltage …

Molecular mechanisms of coupling to voltage sensors in voltage-evoked cellular signals

Y Okamura, Y Okochi - Proceedings of the Japan Academy, Series B, 2019 - jstage.jst.go.jp
The voltage sensor domain (VSD) has long been studied as a unique domain intrinsic to
voltage-gated ion channels (VGICs). Within VGICs, the VSD is tightly coupled to the pore …

[HTML][HTML] Role of K364 next to the active site cysteine in voltage-dependent phosphatase activity of Ci-VSP

IC Paixao, N Mizutani, M Matsuda, RT Andriani… - Biophysical …, 2023 - cell.com
Voltage-sensing phosphatase (VSP) consists of the voltage sensor domain (VSD) similar to
that of voltage-gated ion channels and the cytoplasmic phosphatase region with remarkable …

Anionic Phospholipids Bind to and Modulate the Activity of Human TRESK Background K+ Channel

JP Giblin, I Etayo, A Castellanos, A Andres-Bilbe… - Molecular …, 2019 - Springer
The background K+ channel TRESK regulates sensory neuron excitability, and changes in
its function/expression contribute to neuronal hyperexcitability after injury/inflammation …

[HTML][HTML] Hydrophobic residues in S1 modulate enzymatic function and voltage sensing in voltage-sensing phosphatase

V Rayaprolu, HM Miettinen, WD Baker… - Journal of General …, 2024 - rupress.org
The voltage-sensing domain (VSD) is a four-helix modular protein domain that converts
electrical signals into conformational changes, leading to open pores and active enzymes. In …

[HTML][HTML] Conserved Amino Acids Residing Outside the Voltage Field Can Shift the Voltage Sensitivity and Increase the Signal Speed and Size of Ciona Based GEVIs

M Sepehri Rad, LB Cohen, BJ Baker - Frontiers in Cell and …, 2022 - frontiersin.org
To identify potential regions of the voltage-sensing domain that could shift the voltage
sensitivity of Ciona intestinalis based Genetically Encoded Voltage Indicators (GEVIs), we …

Engineering an enhanced voltage-sensing phosphatase

A Kawanabe, N Mizutani, OK Polat… - Journal of General …, 2020 - rupress.org
Voltage-sensing phosphatases (VSP) consist of a membrane-spanning voltage sensor
domain and a cytoplasmic region that has enzymatic activity toward phosphoinositides (PIs) …

[HTML][HTML] The hydrophobic nature of a novel membrane interface regulates the enzyme activity of a voltage-sensing phosphatase

A Kawanabe, M Hashimoto, M Nishizawa, K Nishizawa… - Elife, 2018 - elifesciences.org
Voltage-sensing phosphatases (VSP) contain a voltage sensor domain (VSD) similar to that
of voltage-gated ion channels but lack a pore-gate domain. A VSD in a VSP regulates the …