Ca2+-dependent regulation of sodium channels NaV1.4 and NaV1.5 is controlled by the post-IQ motif

Skeletal muscle voltage-gated Na+ channel (NaV1.4) activity is subject to calmodulin (CaM) mediated Ca2 +-dependent inactivation while cardiac NaV1.5 is not. Here authors use structural biology, binding and electrophysiology to parse the Ca2 +-dependent changes of CaM when bound to the NaV1.4.

Bibliographic Details
Main Authors: Jesse B. Yoder, Manu Ben-Johny, Federica Farinelli, Lakshmi Srinivasan, Sophie R. Shoemaker, Gordon F. Tomaselli, Sandra B. Gabelli, L. Mario Amzel
Format: Article
Language:English
Published: Nature Publishing Group 2019-04-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-019-09570-7