Mitochondrial Dna Depletion Syndrome 13, also known as fbxl4-related encephalomyopathic mitochondrial dna depletion syndrome, is related to mitochondrial dna depletion syndrome and lactic acidosis, and has symptoms including seizures An important gene associated with Mitochondrial Dna Depletion Syndrome 13 is FBXL4 (F-Box And Leucine Rich Repeat Protein 4). Affiliated tissues include heart and brain, and related phenotypes are scoliosis and nystagmus