rs150304757
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Variant summary
Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2
The NM_182961.4(SYNE1):c.19692+3G>A variant causes a splice donor region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00205 in 1,614,002 control chromosomes in the GnomAD database, including 77 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).
Frequency
Genomes: 𝑓 0.0012 ( 4 hom., cov: 32)
Exomes 𝑓: 0.0021 ( 73 hom. )
Consequence
SYNE1
NM_182961.4 splice_donor_region, intron
NM_182961.4 splice_donor_region, intron
Scores
2
Splicing: ADA: 0.000007548
2
Clinical Significance
Conservation
PhyloP100: 1.90
Genes affected
SYNE1 (HGNC:17089): (spectrin repeat containing nuclear envelope protein 1) This gene encodes a spectrin repeat containing protein expressed in skeletal and smooth muscle, and peripheral blood lymphocytes, that localizes to the nuclear membrane. Mutations in this gene have been associated with autosomal recessive spinocerebellar ataxia 8, also referred to as autosomal recessive cerebellar ataxia type 1 or recessive ataxia of Beauce. Alternatively spliced transcript variants encoding different isoforms have been described. [provided by RefSeq, Jul 2008]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -20 ACMG points.
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.81).
BP6
?
Variant 6-152244534-C-T is Benign according to our data. Variant chr6-152244534-C-T is described in ClinVar as [Benign]. Clinvar id is 284280.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr6-152244534-C-T is described in Lovd as [Pathogenic].
BS1
?
Variant frequency is greater than expected in population sas. gnomad4 allele frequency = 0.00116 (176/152310) while in subpopulation SAS AF= 0.0232 (112/4828). AF 95% confidence interval is 0.0197. There are 4 homozygotes in gnomad4. There are 111 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
?
High AC in GnomAd4 at 176 AD gene.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
SYNE1 | NM_182961.4 | c.19692+3G>A | splice_donor_region_variant, intron_variant | ENST00000367255.10 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
SYNE1 | ENST00000367255.10 | c.19692+3G>A | splice_donor_region_variant, intron_variant | 1 | NM_182961.4 | P1 | |||
SYNE1 | ENST00000423061.6 | c.19479+3G>A | splice_donor_region_variant, intron_variant | 1 | |||||
SYNE1 | ENST00000367256.9 | n.3384+3G>A | splice_donor_region_variant, intron_variant, non_coding_transcript_variant | 1 | |||||
SYNE1 | ENST00000409694.6 | n.3276+3G>A | splice_donor_region_variant, intron_variant, non_coding_transcript_variant | 1 |
Frequencies
GnomAD3 genomes ? AF: 0.00114 AC: 173AN: 152192Hom.: 4 Cov.: 32
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GnomAD3 exomes AF: 0.00392 AC: 986AN: 251412Hom.: 21 AF XY: 0.00535 AC XY: 727AN XY: 135874
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GnomAD4 exome AF: 0.00214 AC: 3128AN: 1461692Hom.: 73 Cov.: 31 AF XY: 0.00309 AC XY: 2246AN XY: 727150
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GnomAD4 genome ? AF: 0.00116 AC: 176AN: 152310Hom.: 4 Cov.: 32 AF XY: 0.00149 AC XY: 111AN XY: 74482
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ClinVar
Significance: Benign
Submissions summary: Pathogenic:1Benign:9
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
not specified Benign:2
Benign, criteria provided, single submitter | clinical testing | Eurofins Ntd Llc (ga) | Nov 03, 2015 | - - |
Benign, criteria provided, single submitter | clinical testing | Athena Diagnostics | Oct 30, 2019 | - - |
not provided Benign:2
Benign, criteria provided, single submitter | clinical testing | CeGaT Center for Human Genetics Tuebingen | Jun 01, 2024 | SYNE1: BS1, BS2 - |
Benign, criteria provided, single submitter | clinical testing | GeneDx | Nov 05, 2020 | This variant is associated with the following publications: (PMID: 26539891) - |
Autosomal recessive ataxia, Beauce type Benign:2
Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jan 13, 2018 | 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. - |
Benign, criteria provided, single submitter | clinical testing | Mendelics | Aug 22, 2023 | - - |
Abnormal brain morphology Pathogenic:1
Likely pathogenic, flagged submission | research | Lupski Lab, Baylor-Hopkins CMG, Baylor College of Medicine | - | - - |
Autosomal recessive ataxia, Beauce type;C2751807:Emery-Dreifuss muscular dystrophy 4, autosomal dominant Benign:1
Benign, criteria provided, single submitter | clinical testing | Invitae | Jan 21, 2024 | - - |
Arthrogryposis multiplex congenita 3, myogenic type Benign:1
Benign, criteria provided, single submitter | clinical testing | Molecular Genetics, Royal Melbourne Hospital | May 04, 2023 | South Asian population frequency is 2.65% (859/30,614 alleles, 21 homozygotes in gnomAD v2.1). Based on the classification scheme RMH Modified ACMG/AMP Guidelines v1.6.1, this variant is classified as BENIGN. Following criteria are met: BA1 - |
Emery-Dreifuss muscular dystrophy 4, autosomal dominant Benign:1
Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jan 13, 2018 | 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. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
Splicing
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dbscSNV1_ADA
Benign
dbscSNV1_RF
Benign
Find out detailed SpliceAI scores and Pangolin per-transcript scores at