Amyotrophic Lateral Sclerosis 19, also known as amyotrophic lateral sclerosis type 19, is related to lateral sclerosis and amyotrophic lateral sclerosis 1. An important gene associated with Amyotrophic Lateral Sclerosis 19 is ERBB4 (Erb-B2 Receptor Tyrosine Kinase 4), and among its related pathways/superpathways are Physico-chemical features and toxicity-associated pathways and Amyotrophic lateral sclerosis (ALS). Affiliated tissues include spinal cord and brain, and related phenotypes are loss of ambulation and respiratory insufficiency due to muscle weakness