CAMK2G and familial dilated cardiomyopathy: However, its neighborhood contains the critical PKA (Tada et al., 1976; Simmerman et al., 1986; Ablorh et al., 2014) and CaMKII (Zhao et al., 2004; Mattiazzi et al., 2005) phosphorylation sites, Ser16 and Thr17, respectively, suggesting a connection between altered regulation of phosphorylation and DCM phenotype.