| | SYNGAP1, SYNGAP1-AS1 (F648L) | Single nucleotide variant (missense variant) | not provided | |
| | SYNGAP1, SYNGAP1-AS1 (M414V) | Single nucleotide variant (missense variant) | not provided | |
| | SYNGAP1, SYNGAP1-AS1 (G1110* +1 more) | Single nucleotide variant (nonsense) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (G929fs +1 more) | Duplication (frameshift variant) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (P964S +1 more) | Single nucleotide variant (missense variant) | not provided | |
| | | Single nucleotide variant (missense variant) | not provided | |
| | SYNGAP1, SYNGAP1-AS1 (Q1050H +1 more) | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 | |
| | | Single nucleotide variant (missense variant) | not provided | |
| | SYNGAP1, SYNGAP1-AS1 (W657C) | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (G839R +1 more) | Single nucleotide variant (missense variant) | not provided | |
| | SYNGAP1, SYNGAP1-AS1 (L1189P +1 more) | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | SYNGAP1, SYNGAP1-AS1 (G376C) | Single nucleotide variant (missense variant) | not provided | |
| | SYNGAP1, SYNGAP1-AS1 (G386E) | Single nucleotide variant (missense variant) | not provided | |
| | SYNGAP1, SYNGAP1-AS1 (S535fs) | Duplication (frameshift variant) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (L653V) | Single nucleotide variant (missense variant) | not provided | |
| | | Single nucleotide variant (intron variant) | not provided | |
| | SYNGAP1, SYNGAP1-AS1 (S457N) | Single nucleotide variant (missense variant) | not provided | |
| | | Single nucleotide variant (intron variant) | not provided | |
| | | Single nucleotide variant (missense variant) | not provided | |
| | | Single nucleotide variant (missense variant) | not provided | |
| | | Single nucleotide variant (missense variant) | not provided | |
| | SYNGAP1, SYNGAP1-AS1 (R1005L +1 more) | Single nucleotide variant (missense variant) | not provided | |
| | | Single nucleotide variant (synonymous variant) | not provided | |
| | | Single nucleotide variant (missense variant) | not provided | |
| | | Single nucleotide variant (missense variant) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (missense variant) | not provided | |
| | | Single nucleotide variant (missense variant) | not provided | |
| | SYNGAP1, SYNGAP1-AS1 (L711V) | Single nucleotide variant (missense variant) | SYNGAP1-related disorder | |
| | SYNGAP1, SYNGAP1-AS1 (M289T) | Single nucleotide variant (missense variant) | SYNGAP1-related disorder | |
| | SYNGAP1, SYNGAP1-AS1 (L284P) | Single nucleotide variant (missense variant) | SYNGAP1-related disorder | |
| | SYNGAP1, SYNGAP1-AS1 (K504R) | Single nucleotide variant (missense variant) | SYNGAP1-related disorder | |
| | | Duplication (inframe_insertion) | not provided | |
| | SYNGAP1, SYNGAP1-AS1 (L1302F +1 more) | Single nucleotide variant (missense variant) | not provided | |
| | SYNGAP1, SYNGAP1-AS1 (E1336*) | Single nucleotide variant (3 prime UTR variant +1 more) | not provided | |
| | | Single nucleotide variant (missense variant) | not provided | |
| | SYNGAP1, SYNGAP1-AS1 (Q456*) | Single nucleotide variant (nonsense) | not provided | |
| | SYNGAP1, SYNGAP1-AS1 (Q1050fs +1 more) | Duplication (frameshift variant) | not provided | |
| | | Duplication (frameshift variant) | Intellectual disability, autosomal dominant 5 | |
| | | Single nucleotide variant (missense variant) | Inborn genetic diseases | |
| | SYNGAP1, SYNGAP1-AS1 (E1336D) | Single nucleotide variant (3 prime UTR variant +1 more) | Inborn genetic diseases | |
| | | Single nucleotide variant (synonymous variant) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1-AS1, SYNGAP1 (S1033fs +1 more) | Duplication (frameshift variant) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (L911fs +1 more) | Deletion (frameshift variant) | not provided | |
| | SYNGAP1, SYNGAP1-AS1 (N842S +1 more) | Single nucleotide variant (missense variant) | not provided | |
| | SYNGAP1-AS1, SYNGAP1 (S1043fs +1 more) | Duplication (frameshift variant) | not provided | |
| | SYNGAP1, SYNGAP1-AS1 (Y665*) | Single nucleotide variant (nonsense) | not provided | |
| | | Deletion | Intellectual disability, autosomal dominant 5 | |
| | | Deletion | Intellectual disability, autosomal dominant 5 | |
| | | Duplication | Intellectual disability, autosomal dominant 5 | |
| | | Deletion | Intellectual disability, autosomal dominant 5 | |
| | | Duplication | MHC class I deficiency | |
| | SYNGAP1, SYNGAP1-AS1 (Q361P) | Single nucleotide variant (missense variant) | Seizure | |
| | | Deletion (frameshift variant) | not provided | |
| | SYNGAP1, SYNGAP1-AS1 (Q1235* +1 more) | Single nucleotide variant (non-coding transcript variant +1 more) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (P1032A +1 more) | Single nucleotide variant (missense variant) | Inborn genetic diseases | |
| | SYNGAP1, SYNGAP1-AS1 (P958A +1 more) | Single nucleotide variant (missense variant) | Inborn genetic diseases | |
| | SYNGAP1, SYNGAP1-AS1 (L595P) | Single nucleotide variant (missense variant) | Inborn genetic diseases | |
| | SYNGAP1, SYNGAP1-AS1 (E522*) | Single nucleotide variant (nonsense) | Inborn genetic diseases | |
| | SYNGAP1, SYNGAP1-AS1 (Y505D) | Single nucleotide variant (missense variant) | Inborn genetic diseases | |
| | | Single nucleotide variant (missense variant) | not specified | |
| | SYNGAP1, SYNGAP1-AS1 (L353P) | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (E495K) | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 | |
| | | Single nucleotide variant (intron variant) | Intellectual disability, autosomal dominant 5 | |
| | | Deletion (frameshift variant) | Intellectual disability, autosomal dominant 5 | |
| | | Single nucleotide variant (nonsense) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (L451P) | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (T672fs) | Deletion (frameshift variant) | Intellectual disability, autosomal dominant 5 | |
| | | Single nucleotide variant (splice acceptor variant) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (N1131fs +1 more) | Insertion (frameshift variant) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (Y505H) | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (Q407fs) | Deletion (frameshift variant) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (G341fs) | Indel (frameshift variant) | Intellectual disability, autosomal dominant 5 +1 more | |
| | SYNGAP1, SYNGAP1-AS1 (Q1028fs +1 more) | Deletion (frameshift variant) | SYNGAP1-related disorder | |
| | | Single nucleotide variant (intron variant) | SYNGAP1-related disorder | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | Intellectual disability, autosomal dominant 5 | |
| | | Single nucleotide variant (synonymous variant) | Intellectual disability, autosomal dominant 5 | |
| | | Single nucleotide variant (3 prime UTR variant +1 more) | Intellectual disability, autosomal dominant 5 | |
| | | Indel (missense variant) | Intellectual disability, autosomal dominant 5 | |
| | | Single nucleotide variant (intron variant) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (M834I +1 more) | 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 | |
| | | Single nucleotide variant (synonymous variant) | Intellectual disability, autosomal dominant 5 | |
| | | Single nucleotide variant (synonymous variant) | Intellectual disability, autosomal dominant 5 | |
| | | Single nucleotide variant (synonymous variant) | Intellectual disability, autosomal dominant 5 | |
| | | Single nucleotide variant (synonymous variant) | Intellectual disability, autosomal dominant 5 | |
| | | Single nucleotide variant (synonymous variant) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (P701S) | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 | |
| | | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (V1064D +1 more) | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 | |
| | | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 +1 more | |
| | | Single nucleotide variant (intron variant) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (P1285H) | Single nucleotide variant (missense variant +1 more) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (R356H) | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 | |
| | MIR5004, SYNGAP1 +1 more (M468V) | Single nucleotide variant (non-coding transcript variant +1 more) | Intellectual disability, autosomal dominant 5 | |
| | | Single nucleotide variant (splice acceptor variant) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (T640S) | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 | |
| | SYNGAP1, SYNGAP1-AS1 (S765N) | Single nucleotide variant (missense variant) | Intellectual disability, autosomal dominant 5 | |