Molecular modeling of interactions of dihydropyridines and phenylalkylamines with the inner pore of the L-type Ca2+ channel.


Domains IIIS5, IIIS6, and IVS6 transmembrane segments of L-type Ca(2+) channels participate in dihydropyridine (DHP) and phenylalkylamine (PAA) binding. The inner pore structure of the Ca(v)1.2 channel was reconstructed from coordinates of the transmembrane alpha-helices of the KcsA channel. S6s were aligned with M2 by comparative analysis of the pore… (More)

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