rs187565743
Variant summary
Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2
The NM_001035.3(RYR2):c.1053A>G(p.Thr351Thr) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000556 in 1,613,836 control chromosomes in the GnomAD database, including 6 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).
Frequency
Consequence
NM_001035.3 synonymous
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Benign. Variant got -21 ACMG points.
Transcripts
RefSeq
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
RYR2 | ENST00000366574.7 | c.1053A>G | p.Thr351Thr | synonymous_variant | Exon 13 of 105 | 1 | NM_001035.3 | ENSP00000355533.2 | ||
RYR2 | ENST00000609119.2 | n.1053A>G | non_coding_transcript_exon_variant | Exon 13 of 104 | 5 | ENSP00000499659.2 | ||||
RYR2 | ENST00000660292.2 | c.1053A>G | p.Thr351Thr | synonymous_variant | Exon 13 of 106 | ENSP00000499787.2 | ||||
RYR2 | ENST00000659194.3 | c.1053A>G | p.Thr351Thr | synonymous_variant | Exon 13 of 105 | ENSP00000499653.3 |
Frequencies
GnomAD3 genomes AF: 0.000578 AC: 88AN: 152188Hom.: 0 Cov.: 32
GnomAD3 exomes AF: 0.00126 AC: 314AN: 248940Hom.: 4 AF XY: 0.00118 AC XY: 159AN XY: 135030
GnomAD4 exome AF: 0.000554 AC: 810AN: 1461530Hom.: 6 Cov.: 31 AF XY: 0.000517 AC XY: 376AN XY: 727046
GnomAD4 genome AF: 0.000578 AC: 88AN: 152306Hom.: 0 Cov.: 32 AF XY: 0.000658 AC XY: 49AN XY: 74478
ClinVar
Submissions by phenotype
not specified Benign:2
This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -
Thr351Thr in exon 13 of RYR2: This variant is not expected to have clinical sign ificance because it does not alter an amino acid residue and is not located with in the splice consensus sequence. It has been identified in 3.0% (6/200) of Han Chinese chromosomes from a broad population by the 1000 Genomes Project (http:// www.ncbi.nlm.nih.gov/projects/SNP; dbSNP rs187565743). -
Cardiomyopathy Benign:2
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Catecholaminergic polymorphic ventricular tachycardia 1 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. -
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not provided Benign:1
Variant summary: The RYR2 c.1053A>G (p.Thr351Thr) variant involves the alteration of a non-conserved nucleotide, resulting in a synonymous change. One in silico tool predicts a damaging outcome for this variant. 4/5 splice prediction tools predict no significant impact on normal splicing. ESE finder predicts that this variant may affect ESE site of sRp55. However, these predictions have yet to be confirmed by functional studies. This variant was found in 157/120700 control chromosomes (1 homozygote), predominantly observed in the East Asian subpopulation at a frequency of 0.018118 (156/8610). This frequency is about 725 times the estimated maximal expected allele frequency of a pathogenic RYR2 variant (0.000025), suggesting this is likely a benign polymorphism found primarily in the populations of East Asian origin. In addition, multiple clinical diagnostic laboratories/reputable databases classified this variant as benign/likely benign. The variant of interest has not, to our knowledge, been reported in affected individuals via publications; nor evaluated for functional impact by in vivo/vitro studies. Taken together, this variant is classified as benign. -
Cardiovascular phenotype Benign:1
This alteration is classified as 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. -
Arrhythmogenic right ventricular dysplasia 2 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