| 1 patient data entry in database for mutations L304R and W748S. | Entry #
 | | Mutations |  | allele 1 | allele 2 | 
 | Clinical representation | Symptoms | Age group | Age of onset | Age of patient | Age of death | Reference |  |  |  | 62 | W748S5 E1143G
 
 | L304R3 
 | SCAE, age of onset 20, death at 27, ptosis and multiple deletions in muscle. |  |  | 20 | n/a | 27 | Naimi et al, 2006; [view data] | 
 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. |