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 2 patient data entries collated from reference Mukai et al, 2013. Entry # | | Mutations |  | allele 1 | allele 2 |  
  | Clinical representation | Symptoms | Age group | Patient age | Age of onset | Age of death |   |  | 525 |  | Y955C1
  | gait instability,  mild parkinsonian features, including cogwheel rigidity and bradykinesia. ragged-red fibers, decreased cytochrome c oxidase activity. Multiple mtDNA deletions were detected. PEO. |  |  | 69 | 65 | n/a |  | 526 |  | Y955C1
  | rigidity with cogwheel phenomenon, bradykinesia, resting tremor and postural instability. Ragged-red fibers as well as fibers with increased subsarcolemmal succinate dehydrogenase activity and decreased cytochrome c oxidase activity. Multiple mtDNA deletions were detected. Parkinsons. PEO. |  |  | 73 | 60 | 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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