DNAJB6 and myopathy: Out of the genes whose mutations cause myofibrillar myopathies or protein aggregation myopathies (n = 16) [23], [S28] (Table S8, column R; Table S8, 2nd sheet, column R), only two candidates, namely, Dnajb6 and Bag3, were up‐regulated on the protein level in both the heterozygous and homozygous phenotypes.