rs760809784
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Variant summary
Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PP2PP3_Moderate
The NM_000540.3(RYR1):c.10246G>A(p.Val3416Met) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000563 in 1,597,622 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).
Frequency
Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000055 ( 0 hom. )
Consequence
RYR1
NM_000540.3 missense
NM_000540.3 missense
Scores
12
4
2
Clinical Significance
Conservation
PhyloP100: 9.96
Genes affected
RYR1 (HGNC:10483): (ryanodine receptor 1) This gene encodes a ryanodine receptor found in skeletal muscle. The encoded protein functions as a calcium release channel in the sarcoplasmic reticulum but also serves to connect the sarcoplasmic reticulum and transverse tubule. Mutations in this gene are associated with malignant hyperthermia susceptibility, central core disease, and minicore myopathy with external ophthalmoplegia. Alternatively spliced transcripts encoding different isoforms have been described. [provided by RefSeq, Jul 2008]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 3 ACMG points.
PP2
Missense variant in gene, where missense usually causes diseases (based on misZ statistic), RYR1. . Gene score misZ 1.918 (greater than the threshold 3.09). Trascript score misZ 3.9788 (greater than threshold 3.09). GenCC has associacion of gene with King-Denborough syndrome, congenital multicore myopathy with external ophthalmoplegia, autosomal recessive centronuclear myopathy, RYR1-related myopathy, lethal multiple pterygium syndrome, malignant hyperthermia of anesthesia, benign Samaritan congenital myopathy, malignant hyperthermia, susceptibility to, 1, congenital myopathy with myasthenic-like onset, central core myopathy.
PP3
MetaRNN computational evidence supports a deleterious effect, 0.845
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
RYR1 | NM_000540.3 | c.10246G>A | p.Val3416Met | missense_variant | 67/106 | ENST00000359596.8 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
RYR1 | ENST00000359596.8 | c.10246G>A | p.Val3416Met | missense_variant | 67/106 | 5 | NM_000540.3 | A2 | |
RYR1 | ENST00000355481.8 | c.10246G>A | p.Val3416Met | missense_variant | 67/105 | 1 | P4 | ||
RYR1 | ENST00000594335.5 | c.*989G>A | 3_prime_UTR_variant, NMD_transcript_variant | 27/49 | 1 | ||||
RYR1 | ENST00000599547.6 | c.*1005G>A | 3_prime_UTR_variant, NMD_transcript_variant | 66/80 | 2 |
Frequencies
GnomAD3 genomes AF: 0.00000657 AC: 1AN: 152130Hom.: 0 Cov.: 32
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GnomAD4 exome AF: 0.00000553 AC: 8AN: 1445492Hom.: 0 Cov.: 32 AF XY: 0.00000836 AC XY: 6AN XY: 717962
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GnomAD4 genome AF: 0.00000657 AC: 1AN: 152130Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1AN XY: 74306
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ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
RYR1-related disorder Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Invitae | Jul 12, 2022 | This sequence change replaces valine, which is neutral and non-polar, with methionine, which is neutral and non-polar, at codon 3416 of the RYR1 protein (p.Val3416Met). The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. 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: 570321). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt RYR1 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. - |
Malignant hyperthermia, susceptibility to, 1 Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | All of Us Research Program, National Institutes of Health | Oct 06, 2023 | This missense variant replaces valine with methionine at codon 3416 of the RYR1 protein. Computational prediction suggests that this variant may have deleterious impact on protein structure and function (internally defined REVEL score threshold >= 0.7, 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 not been identified 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. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
BayesDel_addAF
Pathogenic
D
BayesDel_noAF
Pathogenic
CADD
Uncertain
DANN
Benign
DEOGEN2
Pathogenic
.;D
Eigen
Pathogenic
Eigen_PC
Pathogenic
FATHMM_MKL
Pathogenic
D
LIST_S2
Pathogenic
D;D
M_CAP
Pathogenic
D
MetaRNN
Pathogenic
D;D
MetaSVM
Pathogenic
D
MutationAssessor
Uncertain
M;M
MutationTaster
Benign
D;D;D
PrimateAI
Uncertain
T
PROVEAN
Uncertain
D;D
REVEL
Pathogenic
Sift
Uncertain
D;D
Polyphen
D;D
Vest4
MutPred
Loss of helix (P = 0.2022);Loss of helix (P = 0.2022);
MVP
MPC
0.41
ClinPred
D
GERP RS
Varity_R
gMVP
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at