| Phenotype details |
see paper; ..., 37y-deceased heart failure; 3y-proximal lower limb weakness; 6y-calf hypertrophy; 28y-dilated cardiomyopathy during pregnancy; severe mental retardation; limb-girdle muscle weakness, reduced tendon reflexes, no pathological signs observed; mildly elevated creatine kinase levels (400-600 IU/L) |