Article
Properties of Cardiac Myosin with Cardiomyopathic Mutations in Essential Light Chains.
Biochemistry. Biokhimiia - 1 Nov 2022
Yampolskaya Daria S, Kopylova Galina V, Shchepkin Daniil V, Bershitsky Sergey Y, Matyushenko Alexander M, Levitsky Dmitrii I
Abstract excerpt
The effects of cardiomyopathic mutations E56G, M149V, and E177G in the MYL3 gene encoding essential light chain of human ventricular myosin (ELCv), on the functional properties of cardiac myosin and its isolated head (myosin subfragment 1, S1) were investigated. Only the M149V mutation upregulated the actin-activated ATPase activity of S1. All mutations significantly increased the Ca2+-sensitivity of the sliding...
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