Multiple System Atrophy 1, also known as multiple system atrophy, is related to orthostatic hypotension and pure autonomic failure. An important gene associated with Multiple System Atrophy 1 is COQ2 (Coenzyme Q2, Polyprenyltransferase), and among its related pathways/superpathways are Neuroscience and 5q35 copy number variation. The drugs Acetylcholine and Zoledronic acid have been mentioned in the context of this disorder. Affiliated tissues include Limb, Bone and brain, and related phenotypes are abnormal pyramidal sign and dysarthria