Neuronopathy, Distal Hereditary Motor, X-Linked, also known as spinal muscular atrophy, distal, x-linked 3, is related to occipital horn syndrome and menkes disease. An important gene associated with Neuronopathy, Distal Hereditary Motor, X-Linked is ATP7A (ATPase Copper Transporting Alpha), and among its related pathways/superpathways are Detoxification of Reactive Oxygen Species and Copper homeostasis. Affiliated tissues include spinal cord and temporal lobe, and related phenotypes are distal sensory impairment and pes cavus