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. 2023 May 9;14:1135044. doi: 10.3389/fneur.2023.1135044

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.