Proceedings of the National Academy of Sciences of the United States of America, Vol. 98, No. 12 (Jun. 5, 2001), pp. 6935-6940 (6 pages) To investigate the molecular basis of the voltage sensor that ...

THERE is general agreement that the membrane process activates the contractile mechanism in muscle; but up to the present all efforts to find quantitative relations between the electrical and ...

L-type Ca²⁺ currents determine the shape of cardiac action potentials (AP) and the magnitude of the myoplasmic Ca²⁺ signal, which regulates the contraction force. The auxiliary Ca²⁺ channel subunits ...