Population
BK channels (wild-type alpha and F315Y mutation) and mouse beta1 subunit
Comparison
Presence of beta1 subunit and its deletion mutants vs Absence of beta1 subunit
Design
Preclinical
Authors
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Caution against clinical extrapolation from mouse data; extends BK gating models but leaves open species-specific validation.
The beta1 subunit modulates BK channel gating energetics by reducing intrinsic closed-to-open equilibrium and shifting voltage sensor activation, mechanisms dependent on its intracellular domains.
Wang et al. (2006) studied this question.