| 1 patient data entry collated from reference Wiltshire et al, 2008. | Entry #
 | | Mutations |  | allele 1 | allele 2 | 
 | Clinical representation | Symptoms | Age group | Patient age | Age of onset | Age of death |  |  |  | 186 | R1047W3 
 | T851A1 
 | Juvenile Alpers, migraines at 12 years, ataxia, peripheral neuropathy, seizures, VPA-induced hepatopathy. | | - | movement disorder (ataxia) |  |
 |  | n/a | 12 | 17 | 
 1-5 pathogenic cluster assignment of mutations. Mutations displayed without a superscript number are outside of the assigned pathogenic clusters. See cluster definitions for details. |