rs779551357

Positions:

chr19-38455675-A-C

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PP2PP3

The NM_000540.3(RYR1):c.1715A>C(p.Glu572Ala) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000115 in 1,613,822 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 0.000013 ( 0 hom., cov: 30)

Exomes 𝑓: 0.00013 ( 0 hom. )

Consequence

RYR1
NM_000540.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:7

Conservation

PhyloP100: 9.30

Variant links:

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]

RYR1 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 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, 0.803

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
RYR1	NM_000540.3 linkuse as main transcript	c.1715A>C	p.Glu572Ala	missense_variant	16/106	ENST00000359596.8	NP_000531.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
RYR1	ENST00000359596.8 linkuse as main transcript	c.1715A>C	p.Glu572Ala	missense_variant	16/106	5	NM_000540.3	ENSP00000352608	A2	P21817-1
RYR1	ENST00000355481.8 linkuse as main transcript	c.1715A>C	p.Glu572Ala	missense_variant	16/105	1		ENSP00000347667	P4	P21817-2
RYR1	ENST00000599547.6 linkuse as main transcript	c.1715A>C	p.Glu572Ala	missense_variant, NMD_transcript_variant	16/80	2		ENSP00000471601

Frequencies

GnomAD3 genomes

AF:

0.0000132

AC:

AN:

152022

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000294

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000795

AC:

AN:

251474

Hom.:

AF XY:

0.000110

AC XY:

AN XY:

135910

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.000139

Gnomad NFE exome

AF:

0.000141

Gnomad OTH exome

AF:

0.000163

GnomAD4 exome

AF:

0.000125

AC:

183

AN:

1461800

Hom.:

Cov.:

AF XY:

0.000114

AC XY:

AN XY:

727210

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.000281

Gnomad4 NFE exome

AF:

0.000148

Gnomad4 OTH exome

AF:

0.0000497

GnomAD4 genome

AF:

0.0000132

AC:

AN:

152022

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74234

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000294

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000135

Hom.:

Bravo

AF:

0.0000453

TwinsUK

AF:

0.00

AC:

ALSPAC

AF:

0.000778

AC:

ExAC

AF:

0.000107

AC:

EpiCase

AF:

0.000109

EpiControl

AF:

0.00

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:7

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Uncertain:3

Uncertain significance, criteria provided, single submitter	clinical testing	PreventionGenetics, part of Exact Sciences	Aug 26, 2015	- -
Uncertain significance, criteria provided, single submitter	clinical testing	Revvity Omics, Revvity	May 31, 2023	- -
Uncertain significance, criteria provided, single submitter	clinical testing	GeneDx	Feb 25, 2021	Not observed at a significant frequency in large population cohorts (Lek et al., 2016); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Has not been previously published as pathogenic or benign to our knowledge -

Malignant hyperthermia, susceptibility to, 1

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

All of Us Research Program, National Institutes of Health

Dec 01, 2023

This missense variant replaces glutamic acid with alanine at codon 572 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 malignant hyperthermia in the literature. This variant has been identified in 21/282850 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

Uncertain significance, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Oct 17, 2022

This sequence change replaces glutamic acid, which is acidic and polar, with alanine, which is neutral and non-polar, at codon 572 of the RYR1 protein (p.Glu572Ala). This variant is present in population databases (rs779551357, gnomAD 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: 590486). 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. -

Central core myopathy;C1840365:King Denborough syndrome;C1850674:Congenital multicore myopathy with external ophthalmoplegia

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

New York Genome Center

Jun 04, 2021

The inherited heterozygous c.1715A>C (p.Glu572Ala) missense variant identified in the RYR1 gene has not been reported in affected individuals in the literature. The variant has 0.00007424 allele frequency in the gnomAD(v2) database (21 out of 282850 heterozygous alleles, no homozygotes)suggesting it is not a common benign variant in the populations represented in that database. The variant has been reported in the ClinVar database as a variant of uncertain significance (Variation ID: 590486). The variant affects an evolutionarily conserved residue and is predicted deleterious by multiple in silico prediction tools. Based on the available evidence, the inherited heterozygous c.1715A>C (p.Glu572Ala) missense variant identified in the RYR1 gene is reported as a variant of uncertain significance. -

Congenital myopathy with fiber type disproportion;C0751951:Central core myopathy;C1840365:King Denborough syndrome;C1850674:Congenital multicore myopathy with external ophthalmoplegia;C2930980:Malignant hyperthermia, susceptibility to, 1

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Fulgent Genetics, Fulgent Genetics

Aug 11, 2021

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.94

BayesDel_addAF

Uncertain

0.15

BayesDel_noAF

Pathogenic

0.21

CADD

Uncertain

DANN

Uncertain

0.98

DEOGEN2

Pathogenic

0.93

.;D

Eigen

Pathogenic

0.70

Eigen_PC

Uncertain

0.59

FATHMM_MKL

Benign

0.15

LIST_S2

Pathogenic

1.0

D;D

M_CAP

Pathogenic

0.84

MetaRNN

Pathogenic

0.80

D;D

MetaSVM

Pathogenic

1.1

MutationAssessor

Uncertain

2.9

M;M

MutationTaster

Benign

1.0

D;D;D

PrimateAI

Pathogenic

0.79

PROVEAN

Pathogenic

-5.3

D;D

REVEL

Pathogenic

0.90

Sift

Uncertain

0.0010

D;D

Polyphen

1.0

D;D

Vest4

0.57

MutPred

0.51

Gain of helix (P = 0.132);Gain of helix (P = 0.132);

MVP

1.0

MPC

1.1

ClinPred

0.62

GERP RS

4.0

Varity_R

0.67

gMVP

0.85

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over