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 2 patient data entries collated from reference Paus et al, 2008. Entry # | | Mutations |  | allele 1 | allele 2 |  
  | Clinical representation | Symptoms | Age group | Patient age | Age of onset | Age of death |   |  | 412 | A467T2
  | W748S5
  | episodic headache, cognitive decline, and seizures, repeatedly resulting in generalized status epilepticus, ataxia, sensorimotor peripheral neuropathy, dysarthria, PEO with diplopia, mild bilateral ptosis, epilepsy, cognitive impairment, myoclonus, | | - | movement disorder (ataxia) |  |
 
  |  | 39 | 28 | n/a |  | 413 | A467T2
  | W748S5 E1143G
  | Presented with PEO, mild bilateral ptosis, dysarthria, ataxia, and neuropathy | | - | movement disorder (ataxia) |  |
 
  |  | 37 | 36 | n/a |  
 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. 
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