Casarotto, Marco; Green, Daniel; Pace, Suzy M; Young, Jaqui; Dulhunty, Angela
Excitation-contraction coupling in skeletal muscle is thought to depend on a physical interaction between II-III loop of the alpha1 subunit of the skeletal dihydropyridine receptor (DHPR) and ryanodine receptor (RyR). A peptide corresponding to II-III loop residues 671-690 of the skeletal DHPR (peptide A) is a high affinity activator of the RyR when it adopts an alpha-helical structure with critical basic residues aligned along one helical surface (1). Neither the structure of the full length...[Show more]
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