Chromosome Xp21 Deletion Syndrome, also known as complex glycerol kinase deficiency, is related to hypoadrenocorticism, familial and muscular dystrophy, duchenne type. An important gene associated with Chromosome Xp21 Deletion Syndrome is DELXP21 (Chromosome Xp21 Deletion Syndrome), and among its related pathways/superpathways are Triglyceride metabolism and Triacylglyceride synthesis. Affiliated tissues include bone and eye, and related phenotypes are intellectual disability and spasticity