3-Methylglutaconic Aciduria, Type Iv, also known as 3-methylglutaconic aciduria type 4, is related to 3-methylglutaconic aciduria with deafness, encephalopathy, and leigh-like syndrome and mitochondrial dna depletion syndrome 4a. An important gene associated with 3-Methylglutaconic Aciduria, Type Iv is SERAC1 (Serine Active Site Containing 1). Affiliated tissues include eye and liver, and related phenotypes are intellectual disability and seizure