| | | Single nucleotide variant (intron variant) | Intellectual disability, autosomal dominant 5 | |
| | | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 | |
| | | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 | |
| | | Single nucleotide variant (intron variant) | Intellectual disability, autosomal dominant 5 +1 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (synonymous variant) | Intellectual disability, autosomal dominant 5 | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 | |
| | | Single nucleotide variant (nonsense) | Intellectual disability, autosomal dominant 5 +1 more | GPathogenic/Likely pathogenic |
| | | Single nucleotide variant (intron variant) | Intellectual disability, autosomal dominant 5 +1 more | GConflicting classifications of pathogenicity |
| | SYNGAP1, SYNGAP1-AS1 (L264Q) | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1-AS1, SYNGAP1 (R272Q) | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (G391fs) | Deletion (frameshift variant) | not provided +2 more | |
| | SYNGAP1, SYNGAP1-AS1 (A438fs) | Deletion (frameshift variant) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (A438T) | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 | |
| | | Single nucleotide variant (synonymous variant) | Intellectual disability, autosomal dominant 5 +2 more | |
| | SYNGAP1, SYNGAP1-AS1 (R573W) | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 +2 more | GConflicting classifications of pathogenicity |
| | SYNGAP1, SYNGAP1-AS1 (Q833fs +1 more) | Duplication (frameshift variant) | Intellectual disability, autosomal dominant 5 | |
| | | Deletion (inframe_deletion) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (A904V +1 more) | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 +1 more | |
| | SYNGAP1, SYNGAP1-AS1 (P1041S +1 more) | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 | GConflicting classifications of pathogenicity |
| | SYNGAP1-AS1, SYNGAP1 (S1108fs +1 more) | Microsatellite (frameshift variant) | not provided +1 more | GPathogenic/Likely pathogenic |
| | SYNGAP1, SYNGAP1-AS1 (Y1164* +1 more) | Single nucleotide variant (nonsense) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (R1191Q +1 more) | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (A1322fs) | Duplication (3 prime UTR variant +1 more) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (A1341T) | Single nucleotide variant (3 prime UTR variant +1 more) | Intellectual disability, autosomal dominant 5 | |