C-terminus mediated inhibition is one emerging modality of intervention for L-type Ca2+ channels, which coordinate multiple motifs to acutely tune Ca2+ current and Ca2+ influx down to the lower limits preset by end-stage Ca2+-dependent inactivation.
Two structurally-unrelated regulatory proteins utilize parallel molecular mechanisms to selectively tune calcium and calmodulin feedback of calcium and sodium ion channels and reveals a novel strategy to engineer synthetic channel modulators.
Structure modeling, site-directed mutagenesis, and current recordings revealed the mechanism by which stabilization of voltage sensors in the resting and activated states determines the gating properties of the CaV1.1 calcium channel.
The 3Å structure and correlated functional analysis of the TRPM2 cation channel from Nematostella vectensis shed light on the molecular mechanisms of TRPM2 regulation by intra- and extracellular Ca2+, and of inactivation of human TRPM2.
Drosophila nociceptive neurons convert high-intensity stimuli into characteristic fluctuations of firing rates, quiescent periods of which are regulated by hyperpolarization through small conductance Ca2+-activated K+ channels.
An inducedpluripotent stem cell (iPSC)-based model of KCNQ2-associated developmental epileptic encephalopathy suggests that disease is driven by dyshomeostaic neuronal mechanisms that are downstream of loss of M-current.