https://www.selleckchem.com/pr....oducts/17-AAG(Geldan
Facilitation of cardiac function in response to signals from the sympathetic nervous system is initiated by the phosphorylation of L-type voltage-dependent Ca2+ channels (VDCCs) by protein kinase A (PKA), which in turn is activated by β-adrenoceptors. Among the five subunits (α1, β, α2/δ, and γ) of VDCCs, the α1 subunit and the family of β subunits are substrates for PKA-catalyzed phosphorylation; however, the subunit responsible for β-adrenergic augmentation of Ca2+ channel function has yet to be specifically identified. H
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