Description_x000D_ General description_x000D_ PYGM catalyzes and regulates the breakdown of glycogen to glucose-1-phosphate. Defects in PYGM are the cause of glycogen storage disease type 5 (GSD5), also known as McArdle disease. GSD5 is a metabolic disorder resulting in myopathy characterized by exercise intolerance, cramps, muscle weakness and recurrent myoglobinuria._x000D_ Immunogen_x000D_ PYGM (NP_005600, 522-556)_x000D_ This antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide selected from the center region of human PYGM._x000D_ Physical form_x000D_ Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide.