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Hot Topics: Cardiac Ca2+ Channel Regulation in the Fight-or-Flight Response: the monomeric small G-protein as another piece in the puzzle

Thirty eight years after the discovery that injection of the catalytic subunits of cyclic AMP-dependent protein kinase A (PKA) into isolated pig ventricular cardiac myocytes (1) increases the amplitude of L-type Ca2+ current (today known to be formed by Cav1.2

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Hot Topics: Cryo-EM structure of a selective T-type calcium channel blocker bound to the Cav3.1 voltage-gated calcium channel

Nieng Yan’s group has now published the cryo-EM structure of the selective T-type Ca2+ channel blocker Z944 bound to the pore-forming α1-subunit of Cav3.1 T-type Ca2+ channels (1). This nicely adds to recent publications reporting of the high-resolution structures of

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