Table 2.
Analysis of the PRRT2 gene variants in seven cases as follows.
| Sequence | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|---|
| PRRT2 mutation | c.397delG (p.E133Nfs*43) | c.46G > T (p.Glu16*) | c.649dup(p.R217Pfs*8) | c.649dup(p.R217Pfs*8) | c.649dup(p.R217Pfs*8) | c.649dup(p.R217Pfs*8) | c.649dup(p.R217Pfs*8) |
| ACMG Rating | PVS1 + PS2 + PM2 | PVS1 + PS2 + PM2 | PVS1 + PS2 + PS4 + PP1_Strong | PVS1 + PS2 + PS4 + PP1_Strong | PVS1 + PS4 + PP1_Strong | PVS1 + PS4 + PP1_Strong | PVS1 + PS4 + PP1_Strong |
| Pathogenicity analysis | Pathogenic | Pathogenic | Pathogenic | Pathogenic | Pathogenic | Pathogenic | Pathogenic |
| Type of variation | Shift code de novo variant, wild type parents | Nonsense variant, source father heterozygous | Shift code de novo variant, wild type parents | Shift code de novo variant, wild type parents | Shift code variation, source father heterozygosity | Shift code variation, source father heterozygosity | Shift code variation, source father heterozygosity |
| Source, Phenotype | Parents without phenotype | Father has phenotype | Parents without phenotype | Parents without phenotype | Parents without phenotype | Father has phenotype | Father has phenotype |
ACMG, American College of Medical Genetics and Genomics; PVS1, very strong evidence of pathogenicity; PS1, strong evidence 1 of pathogenicity; PS2, strong evidence 2 of pathogenicity; PM1, moderate evidence 1 of pathogenicity; PM2, moderate evidence 2 of pathogenicity; PP3, supporting evidence 3 of pathogenicity; and PP5, supporting evidence 5 of pathogenicity.