Finally SH3 and Cysteine-Rich Domains 3 (STAC3) is a component of the excitation-contraction coupling machinery and is mutated in Myopathy, Congenital, Bailey-Bloch (MYPBB; OMIM: 255995), which exhibits distinct clinical overlap to CFZS, where satellite cells are dysfunctional [217]. The gene discussed is STAC3; the disease is Native American myopathy.