rs149215868
Variant summary
Our verdict is Uncertain significance. The variant received 1 ACMG points: 1P and 0B. PP3
The NM_182961.4(SYNE1):c.15907C>T(p.Arg5303Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000465 in 1,613,662 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R5303P) has been classified as Uncertain significance.
Frequency
Consequence
NM_182961.4 missense
Scores
Clinical Significance
Conservation
Publications
- autosomal recessive ataxia, Beauce typeInheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Ambry Genetics, G2P, Orphanet, Laboratory for Molecular Medicine, Labcorp Genetics (formerly Invitae)
- arthrogryposis multiplex congenita 3, myogenic typeInheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
- Emery-Dreifuss muscular dystrophy 4, autosomal dominantInheritance: AD Classification: MODERATE, LIMITED Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), Illumina
- autosomal dominant Emery-Dreifuss muscular dystrophyInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- autosomal recessive myogenic arthrogryposis multiplex congenitaInheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
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ACMG classification
Our verdict: Uncertain_significance. The variant received 1 ACMG points.
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|
| SYNE1 | NM_182961.4 | c.15907C>T | p.Arg5303Trp | missense_variant | Exon 82 of 146 | ENST00000367255.10 | NP_892006.3 |
Ensembl
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
|---|---|---|---|---|---|---|---|---|---|---|
| SYNE1 | ENST00000367255.10 | c.15907C>T | p.Arg5303Trp | missense_variant | Exon 82 of 146 | 1 | NM_182961.4 | ENSP00000356224.5 | ||
| SYNE1 | ENST00000423061.6 | c.15694C>T | p.Arg5232Trp | missense_variant | Exon 81 of 146 | 1 | ENSP00000396024.1 | |||
| SYNE1 | ENST00000490135.6 | n.3253C>T | non_coding_transcript_exon_variant | Exon 6 of 11 | 1 |
Frequencies
GnomAD3 genomes AF: 0.000112 AC: 17AN: 152200Hom.: 0 Cov.: 33 show subpopulations
GnomAD2 exomes AF: 0.0000760 AC: 19AN: 249840 AF XY: 0.0000666 show subpopulations
GnomAD4 exome AF: 0.0000397 AC: 58AN: 1461462Hom.: 0 Cov.: 31 AF XY: 0.0000330 AC XY: 24AN XY: 727062 show subpopulations
Age Distribution
GnomAD4 genome AF: 0.000112 AC: 17AN: 152200Hom.: 0 Cov.: 33 AF XY: 0.000148 AC XY: 11AN XY: 74352 show subpopulations
Age Distribution
ClinVar
Submissions by phenotype
not provided Uncertain:3
SYNE1: PM2, PM3:Supporting, BP1, BP4 -
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Autosomal recessive ataxia, Beauce type;C2751807:Emery-Dreifuss muscular dystrophy 4, autosomal dominant Uncertain:1
This sequence change replaces arginine, which is basic and polar, with tryptophan, which is neutral and slightly polar, at codon 5232 of the SYNE1 protein (p.Arg5232Trp). This variant is present in population databases (rs149215868, gnomAD 0.03%). This variant has not been reported in the literature in individuals affected with SYNE1-related conditions. ClinVar contains an entry for this variant (Variation ID: 448557). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -
Autosomal recessive ataxia, Beauce type Uncertain:1
This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease. -
Emery-Dreifuss muscular dystrophy 4, autosomal dominant Benign:1
This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as likely benign is not then subjected to further curation. The score for this variant resulted in a classification of likely benign for this disease. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at