rs201829896
Variant summary
Our verdict is Benign. Variant got -19 ACMG points: 1P and 20B. PP2BP4_StrongBP6_Very_StrongBS1BS2
The NM_001035.3(RYR2):c.12842C>T(p.Thr4281Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000502 in 1,613,800 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★). Synonymous variant affecting the same amino acid position (i.e. T4281T) has been classified as Likely benign.
Frequency
Consequence
NM_001035.3 missense
Scores
Clinical Significance
Conservation
Genome browser will be placed here
ACMG classification
Verdict is Benign. Variant got -19 ACMG points.
Transcripts
RefSeq
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
RYR2 | ENST00000366574.7 | c.12842C>T | p.Thr4281Met | missense_variant | Exon 90 of 105 | 1 | NM_001035.3 | ENSP00000355533.2 | ||
RYR2 | ENST00000609119.2 | n.*3934C>T | non_coding_transcript_exon_variant | Exon 89 of 104 | 5 | ENSP00000499659.2 | ||||
RYR2 | ENST00000609119.2 | n.*3934C>T | 3_prime_UTR_variant | Exon 89 of 104 | 5 | ENSP00000499659.2 |
Frequencies
GnomAD3 genomes AF: 0.000243 AC: 37AN: 152144Hom.: 0 Cov.: 32
GnomAD3 exomes AF: 0.0000845 AC: 21AN: 248626Hom.: 0 AF XY: 0.0000593 AC XY: 8AN XY: 134886
GnomAD4 exome AF: 0.0000301 AC: 44AN: 1461656Hom.: 0 Cov.: 33 AF XY: 0.0000206 AC XY: 15AN XY: 727104
GnomAD4 genome AF: 0.000243 AC: 37AN: 152144Hom.: 0 Cov.: 32 AF XY: 0.000309 AC XY: 23AN XY: 74324
ClinVar
Submissions by phenotype
not provided Benign:3
- -
- -
- -
not specified Benign:2
Thr4281Met in exon 90 of RYR2: This variant is not expected to have clinical sig nificance because due to a lack of conservation across evolutionarily distant sp ecies and multiple mammals have a methionine (Met; this variant) at this positio n despite high nearby amino acid conservation. This variant has also been identi fied in 0.1% (4/3772) of African American chromosomes from a broad population by the NHLBI Exome Sequencing Project (http://evs.gs.washington.edu/EVS/; dbSNP rs 201829896). -
Variant summary: RYR2 c.12842C>T (p.Thr4281Met) results in a non-conservative amino acid change in the encoded protein sequence. Four of five in-silico tools predict a benign effect of the variant on protein function. The variant allele was found at a frequency of 8.4e-05 in 248626 control chromosomes, predominantly at a frequency of 0.001 within the African or African-American subpopulation in the gnomAD database. The observed variant frequency within African or African-American control individuals in the gnomAD database is approximately 29-fold of the estimated maximal expected allele frequency for a pathogenic variant in RYR2 causing Catecholaminergic Polymorphic Ventricular Tachycardia phenotype (3.4e-05). To our knowledge, no occurrence of c.12842C>T in individuals affected with Catecholaminergic Polymorphic Ventricular Tachycardia and no experimental evidence demonstrating its impact on protein function have been reported. ClinVar contains an entry for this variant (Variation ID: 43722). Based on the evidence outlined above, the variant was classified as likely benign. -
Cardiomyopathy Benign:2
- -
- -
Catecholaminergic polymorphic ventricular tachycardia 1 Benign:1
- -
RYR2-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