A kinetic map of the homomeric voltage-gated potassium channel (Kv) family

R Ranjan, E Logette, M Marani, M Herzog… - Frontiers in Cellular …, 2019 - frontiersin.org
The voltage-gated potassium (Kv) channels, encoded by 40 genes, repolarize all electrically
excitable cells, including plant, cardiac, and neuronal cells. Although these genes were fully …

The KCNE tango–how KCNE1 interacts with Kv7. 1

E Wrobel, D Tapken, G Seebohm - Frontiers in pharmacology, 2012 - frontiersin.org
The classical tango is a dance characterized by a 2/4 or 4/4 rhythm in which the partners
dance in a coordinated way, allowing dynamic contact. There is a surprising similarity …

Conditional deletions of epilepsy-associated KCNQ2 and KCNQ3 channels from cerebral cortex cause differential effects on neuronal excitability

H Soh, R Pant, JJ LoTurco… - Journal of …, 2014 - Soc Neuroscience
KCNQ2 and KCNQ3 potassium channels have emerged as central regulators of pyramidal
neuron excitability and spiking behavior. However, despite an abundance of evidence …

The cytoplasmic coiled-coil mediates cooperative gating temperature sensitivity in the voltage-gated H+ channel Hv1

Y Fujiwara, T Kurokawa, K Takeshita… - Nature …, 2012 - nature.com
Hv1/VSOP is a dimeric voltage-gated H+ channel in which the gating of one subunit is
reportedly coupled to that of the other subunit within the dimer. The molecular basis for …

The C-terminal coiled-coil of the bacterial voltage-gated sodium channel NaChBac is not essential for tetramer formation, but stabilizes subunit-to-subunit interactions

K Mio, M Mio, F Arisaka, M Sato, C Sato - Progress in biophysics and …, 2010 - Elsevier
The NaChBac is a prokaryotic homologue of the voltage-gated sodium channel found in the
genome of the alkalophilic bacterium Bacillus halodurans C-125. Like a repeating cassette …

Homomeric and heteromeric assembly of KCNQ (Kv7) K+ channels assayed by total internal reflection fluorescence/fluorescence resonance energy transfer and …

M Bal, J Zhang, O Zaika, CC Hernandez… - Journal of Biological …, 2008 - ASBMB
M-type K+ channels, consisting of KCNQ1–5 (Kv7. 1–7.5) subunits, form a variety of
homomeric and heteromeric channels. Whereas all the subunits can assemble into …

Calmodulin orchestrates the heteromeric assembly and the trafficking of KCNQ2/3 (Kv7. 2/3) channels in neurons

W Liu, JJ Devaux - Molecular and Cellular Neuroscience, 2014 - Elsevier
Mutations in KCNQ2 and KCNQ3 genes are responsible for benign familial neonatal
seizures and epileptic encephalopathies. Some of these mutations have been shown to alter …

A pore residue of the KCNQ3 potassium M-channel subunit controls surface expression

JC Gómez-Posada, A Etxeberría… - Journal of …, 2010 - Soc Neuroscience
KCNQ2 (Kv7. 2) and KCNQ3 (Kv7. 3) are the principal subunits underlying the potassium M-
current, which exerts a strong control on neuronal excitability. KCNQ3 subunits coassemble …

Determinants within the turret and pore-loop domains of KCNQ3 K+ channels governing functional activity

O Zaika, CC Hernandez, M Bal, GP Tolstykh… - Biophysical journal, 2008 - cell.com
Abstract KCNQ1–5 (Kv7. 1–7.5) subunits assemble to form a variety of functional K+
channels in the nervous system, heart, and epithelia. KCNQ1 and KCNQ4 homomers and …

Uncoupling PIP2-calmodulin regulation of Kv7.2 channels by an assembly destabilizing epileptogenic mutation

A Alberdi, C Gomis-Perez… - Journal of cell …, 2015 - journals.biologists.com
We show that the combination of an intracellular bi-partite calmodulin (CaM)-binding site
and a distant assembly region affect how an ion channel is regulated by a membrane lipid …