| 1 patient data entry in database for mutations G517V and R1128H. | Entry #
 | | Mutations |  | allele 1 | allele 2 | 
 | Clinical representation | Symptoms | Age group | Age of onset | Age of patient | Age of death | Reference |  |  |  | 133 | R1128H1 
 | G517V2 
 | Onset at 1 years with microcephaly, developmental delay/ dementia, and liver dysfunction.  Authors reported as undiagnosed. |  |  | 1 | n/a | n/a | Wong et al, 2008; [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. |