Myopathy, X-Linked, with Excessive Autophagy, also known as x-linked myopathy with excessive autophagy, is related to danon disease and myopathy. An important gene associated with Myopathy, X-Linked, with Excessive Autophagy is VMA21 (Vacuolar ATPase Assembly Factor VMA21), and among its related pathways/superpathways are Selective autophagy and Autophagy. Affiliated tissues include skeletal muscle and heart, and related phenotypes are scoliosis and respiratory insufficiency