rs149227847
Variant summary
Our verdict is Benign. The variant received -13 ACMG points: 0P and 13B. BP4_StrongBP6BS1BS2
The NM_182914.3(SYNE2):c.16718G>A(p.Arg5573Gln) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000983 in 1,614,170 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign 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. R5573W) has been classified as Uncertain significance.
Frequency
Consequence
NM_182914.3 missense
Scores
Clinical Significance
Conservation
Publications
- male infertility with azoospermia or oligozoospermia due to single gene mutationInheritance: AR Classification: MODERATE Submitted by: King Faisal Specialist Hospital and Research Center
- familial medullary thyroid carcinomaInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- ovarian dysgenesis 8Inheritance: AD, Unknown Classification: LIMITED Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae)
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ACMG classification
Our verdict: Benign. The variant received -13 ACMG points.
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|
| SYNE2 | NM_182914.3 | c.16718G>A | p.Arg5573Gln | missense_variant | Exon 91 of 116 | ENST00000555002.6 | NP_878918.2 |
Ensembl
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
|---|---|---|---|---|---|---|---|---|---|---|
| SYNE2 | ENST00000555002.6 | c.16718G>A | p.Arg5573Gln | missense_variant | Exon 91 of 116 | 1 | NM_182914.3 | ENSP00000450831.2 |
Frequencies
GnomAD3 genomes AF: 0.000881 AC: 134AN: 152186Hom.: 0 Cov.: 33 show subpopulations
GnomAD2 exomes AF: 0.000819 AC: 206AN: 251384 AF XY: 0.000817 show subpopulations
GnomAD4 exome AF: 0.000994 AC: 1453AN: 1461866Hom.: 1 Cov.: 30 AF XY: 0.000958 AC XY: 697AN XY: 727236 show subpopulations
Age Distribution
GnomAD4 genome AF: 0.000880 AC: 134AN: 152304Hom.: 0 Cov.: 33 AF XY: 0.000940 AC XY: 70AN XY: 74478 show subpopulations
Age Distribution
ClinVar
Submissions by phenotype
not provided Uncertain:1Benign:1
SYNE2: BP4, BS1, BS2
Emery-Dreifuss muscular dystrophy 5, autosomal dominant Benign:2
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 benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease.
not specified Benign:1
Variant summary: SYNE2 c.16718G>A (p.Arg5573Gln) results in a conservative amino acid change in the encoded protein sequence. Three of five in-silico tools predict a damaging effect of the variant on protein function. The variant allele was found at a frequency of 0.00082 in 251384 control chromosomes, predominantly at a frequency of 0.0019 within the Latino subpopulation in the gnomAD database, suggesting that it is a benign polymorphism found primarily in individuals of Latino ancestry. To our knowledge, no occurrence of c.16718G>A in individuals affected with Autosomal Dominant Emery-Dreifuss Muscular Dystrophy 5 and no experimental evidence demonstrating its impact on protein function have been reported. Three clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar after 2014 without evidence for independent evaluation. One laboratory classified the variant as benign, one as likely benign, and one classified it as VUS. Based on the evidence outlined above, the variant was classified as likely benign.
SYNE2-related disorder Benign:1
This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications).
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at