Muscular Dystrophy-Dystroglycanopathy , Type B, 15, is also known as mddgb15. An important gene associated with Muscular Dystrophy-Dystroglycanopathy , Type B, 15 is DPM3 (Dolichyl-Phosphate Mannosyltransferase Subunit 3, Regulatory). Affiliated tissues include skeletal muscle, and related phenotypes are myopathy and motor delay