1 patient data entry collated from reference Weiss and Saneto, 2010. Entry # | Mutations | allele 1 | allele 2 |
| Clinical representation | Symptoms | Age group | Patient age | Age of onset | Age of death | | 313 | G848S1
| T251I P587L2
| progressively droopy eyelids, double vision, gait instability, proximal arm weakness, ragged red and ragged blue (succinate dehydrogenase–positive) fibers in about 3% and 6% of all muscle fibers, bilateral ptosis, diplopia, dysarthria, myopathy involving the facial muscles, sensory ataxic polyneuropathy | | | 80 | n/a | 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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