rs370490388
Variant summary
Our verdict is Uncertain significance. Variant got 0 ACMG points: 1P and 1B. PP2BP4
The NM_000540.3(RYR1):c.2467G>C(p.Glu823Gln) variant causes a missense change. The variant allele was found at a frequency of 0.0000273 in 1,614,074 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).
Frequency
Consequence
NM_000540.3 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Uncertain_significance. Variant got 0 ACMG points.
Transcripts
RefSeq
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
RYR1 | ENST00000359596.8 | c.2467G>C | p.Glu823Gln | missense_variant | Exon 20 of 106 | 5 | NM_000540.3 | ENSP00000352608.2 | ||
RYR1 | ENST00000355481.8 | c.2467G>C | p.Glu823Gln | missense_variant | Exon 20 of 105 | 1 | ENSP00000347667.3 | |||
RYR1 | ENST00000599547.6 | n.2467G>C | non_coding_transcript_exon_variant | Exon 20 of 80 | 2 | ENSP00000471601.2 |
Frequencies
GnomAD3 genomes AF: 0.0000328 AC: 5AN: 152210Hom.: 0 Cov.: 33
GnomAD3 exomes AF: 0.00000795 AC: 2AN: 251480Hom.: 0 AF XY: 0.00000736 AC XY: 1AN XY: 135916
GnomAD4 exome AF: 0.0000267 AC: 39AN: 1461864Hom.: 0 Cov.: 32 AF XY: 0.0000193 AC XY: 14AN XY: 727238
GnomAD4 genome AF: 0.0000328 AC: 5AN: 152210Hom.: 0 Cov.: 33 AF XY: 0.0000269 AC XY: 2AN XY: 74350
ClinVar
Submissions by phenotype
Malignant hyperthermia, susceptibility to, 1 Uncertain:2
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This missense variant replaces glutamic acid with glutamine at codon 823 of the RYR1 protein. Computational prediction suggests that this variant may not impact protein structure and function (internally defined REVEL score threshold <= 0.5, PMID: 27666373). To our knowledge, functional studies have not been reported for this variant. This variant has not been reported in individuals affected with RYR1-related disorders in the literature. This variant has been identified in 3/282880 chromosomes in the general population by the Genome Aggregation Database (gnomAD). The available evidence is insufficient to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance. -
RYR1-related disorder Uncertain:1
This sequence change replaces glutamic acid with glutamine at codon 823 of the RYR1 protein (p.Glu823Gln). The glutamic acid residue is moderately conserved and there is a small physicochemical difference between glutamic acid and glutamine. This variant is present in population databases (rs370490388, ExAC 0.01%). This variant has not been reported in the literature in individuals affected with RYR1-related conditions. ClinVar contains an entry for this variant (Variation ID: 224373). Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The glutamine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -
not provided Uncertain:1
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Congenital myopathy with fiber type disproportion;C1840365:King Denborough syndrome;C1850674:Congenital multicore myopathy with external ophthalmoplegia;C2930980:Malignant hyperthermia, susceptibility to, 1;C5830701:Central core myopathy Uncertain:1
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Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at