Myosin, a structural component of muscle, consists of two heavy chains and four light chains. The protein encoded by this gene is a myosin light chain that may regulate muscle contraction by modulating the ATPase activity of myosin heads. The encoded protein binds calcium and is activated by myosin light chain kinase. Two transcript variants encoding different isoforms have been found for this gene.[6]
Szczesna-Cordary D, Guzman G, Zhao J, et al. (2005). "The E22K mutation of myosin RLC that causes familial hypertrophic cardiomyopathy increases calcium sensitivity of force and ATPase in transgenic mice". J. Cell Sci. 118 (Pt 16): 3675–83. doi:10.1242/jcs.02492. PMID16076902. S2CID19633613.