rs200525962
Variant summary
Our verdict is Benign. Variant got -12 ACMG points: 1P and 13B. PP2BP4_StrongBP6BS1BS2
The NM_001035.3(RYR2):āc.3380A>Gā(p.Glu1127Gly) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000752 in 1,613,894 control chromosomes in the GnomAD database, including 14 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).
Frequency
Consequence
NM_001035.3 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Benign. Variant got -12 ACMG points.
Transcripts
RefSeq
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
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RYR2 | ENST00000366574.7 | c.3380A>G | p.Glu1127Gly | missense_variant | Exon 28 of 105 | 1 | NM_001035.3 | ENSP00000355533.2 | ||
RYR2 | ENST00000609119.2 | n.3380A>G | non_coding_transcript_exon_variant | Exon 28 of 104 | 5 | ENSP00000499659.2 | ||||
RYR2 | ENST00000660292.2 | c.3380A>G | p.Glu1127Gly | missense_variant | Exon 28 of 106 | ENSP00000499787.2 | ||||
RYR2 | ENST00000659194.3 | c.3380A>G | p.Glu1127Gly | missense_variant | Exon 28 of 105 | ENSP00000499653.3 |
Frequencies
GnomAD3 genomes AF: 0.000605 AC: 92AN: 152098Hom.: 0 Cov.: 33
GnomAD3 exomes AF: 0.00108 AC: 269AN: 249214Hom.: 5 AF XY: 0.00143 AC XY: 193AN XY: 135206
GnomAD4 exome AF: 0.000768 AC: 1122AN: 1461678Hom.: 14 Cov.: 31 AF XY: 0.000960 AC XY: 698AN XY: 727126
GnomAD4 genome AF: 0.000598 AC: 91AN: 152216Hom.: 0 Cov.: 33 AF XY: 0.000564 AC XY: 42AN XY: 74424
ClinVar
Submissions by phenotype
not provided Benign:6
In silico analysis, which includes protein predictors and evolutionary conservation, supports a deleterious effect; This variant is associated with the following publications: (PMID: 32048431, 23861362, 25650408, 26656175, 27930701, 28404607, 29350269, 33825858) -
Variant summary: : The RYR2 c.3380A>G (p.Glu1127Gly) variant involves the alteration of a conserved nucleotide. 4/4 in silico tools predict a damaging outcome for this variant (SNPsandGO not captured due to low reliability index). This variant was found in 136/120770 control chromosomes (including 4 homozygotes) from ExAC at a frequency of 0.0011261, which is approximately 20 times the estimated maximal expected allele frequency of a pathogenic RYR2 variant (0.000055), suggesting this variant is likely a benign polymorphism. It is more common in South Asian subpopulation with an allele frequency of 0.0055 (92/16512 chromosomes). This variant has been found in two patients (one with HCM and another with Brugada syndrome) without strong evidence for causality (Bottillo_2015, Le Scouarnec_2015). The HCM patient with this variant also carried another VUS MYBPC3 p.M555T. In ClinVar while three clinical laboratories have classified this variant as likely benign/benign, other three have classified it as VUS; all without evidence for independent evaluation. This variant is also located outside of mutational "hotspots" region (exons 1-16) (Medeiros-Domingo, A et al., 2009; PMID: 19926015). Taken together, this variant is classified as likely benign. -
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UPDATE on 3/20/2017: gnomAD shows this variant to have an allele frequency of 0.55% in South Asians, including 5 homozygotes, and to be present in 275 individuals out of the 140,000 in gnomAD total. -
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RYR2: BS1, BS2 -
Catecholaminergic polymorphic ventricular tachycardia 1 Benign:3
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This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. The evidence from the literature, in combination with allele frequency data from public databases where available, was sufficient to rule this variant out of causing disease. Therefore, this variant is classified as benign. -
Based on the classification scheme VCGS_Germline_v1.3.4, this variant is classified as Likely benign. Following criteria are met: 0103 - Dominant negative and gain of function are known mechanisms of disease in this gene and are associated with catecholaminergic polymorphic ventricular tachycardia 1 (MIM#604772) (PMID: 12459180, PMID: 27646203, PMID: 29477366). (I) 0107 - This gene is associated with autosomal dominant disease. (I) 0112 - The condition associated with this gene has incomplete penetrance (OMIM and PMID: 22787013). (I) 0200 - Variant is predicted to result in a missense amino acid change from glutamic acid to glycine. (I) 0251 - This variant is heterozygous. (I) 0308 - Population frequency for this variant is out of keeping with known incidence of catecholaminergic polymorphic ventricular tachycardia, 1 (MIM#604772). (SB) 0502 - Missense variant with conflicting in silico predictions and uninformative conservation. (I) 0600 - Variant is located in the annotated SPRY domain 2 (NCBI, Uniprot). (I) 0705 - No comparable missense variants have previous evidence for pathogenicity. (I) 0808 - Previous reports of pathogenicity for this variant are conflicting. This variant has been previously reported as a VUS, but more recently as likely benign or benign (LOVD, ClinVar, Cardiodb). It has also been observed in several individuals with sudden unexplained death, hypertrophic cardiomyopathy or catecholaminergic polymorphic ventricular tachycardia (PMID: 28404607, PMID: 29350269, PMID: 27054166). (I) 1206 - This variant has been shown to be paternally inherited (LABID). (I) Legend: (SP) - Supporting pathogenic, (I) - Information, (SB) - Supporting benign -
Cardiomyopathy Uncertain:1Benign:1
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Primary familial hypertrophic cardiomyopathy Uncertain:1
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Hypertrophic cardiomyopathy Uncertain:1
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Sudden cardiac death Uncertain:1
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Arrhythmogenic right ventricular dysplasia 2 Uncertain:1
This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. However, the evidence from the literature, in combination with allele frequency data from public databases where available, was not sufficient to rule this variant in or out of causing disease. Therefore, this variant is classified as a variant of unknown significance. -
Sudden unexplained death Benign:1
The RYR2 Glu1127Gly has been identified previously in individuals with a broad range of cardiac conditions. The variant is present in the Genome Aggregation Database (http://gnomad.broadinstitute.org/) at an allele frequency of 0.001 which is higher then expected for inherited cardiac disease. In summary, based on the high allele frequency in the general population we classify RYR2 Glu1127Gly as "benign". -
not specified Benign:1
p.Glu1127Gly in exon 28 of RYR2: This variant is not expected to have clinical s ignificance because it has been identified in 0.6% (92/16512) of South Asian chr omosomes by the Exome Aggregation Consortium (ExAC, http://exac.broadinstitute.o rg; dbSNP rs200525962). -
Cardiovascular phenotype Benign:1
This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at