Multiple Mitochondrial Dysfunctions Syndrome 1, also known as mmds1, is related to multiple mitochondrial dysfunctions syndrome 4 and multiple mitochondrial dysfunctions syndrome, and has symptoms including lethargy and weakness. An important gene associated with Multiple Mitochondrial Dysfunctions Syndrome 1 is NFU1 (NFU1 Iron-Sulfur Cluster Scaffold), and among its related pathways/superpathways are Metabolism and Glyoxylate metabolism and glycine degradation. Affiliated tissues include brain and prostate, and related phenotypes are respiratory insufficiency and myoclonus