rs780420237

Variant names:

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_000540.3(RYR1):c.4766A>C(p.Gln1589Pro) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000128 in 1,561,364 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 (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. Q1589K) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 31)

Exomes 𝑓: 7.1e-7 ( 0 hom. )

Consequence

RYR1
NM_000540.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:6

Conservation

PhyloP100: 9.23

Publications

0 publications found

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 Gene-Disease associations (from GenCC):

malignant hyperthermia, susceptibility to, 1
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), ClinGen, Genomics England PanelApp, Ambry Genetics
congenital multicore myopathy with external ophthalmoplegia
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: G2P, Genomics England PanelApp
RYR1-related myopathy
Inheritance: AR, AD Classification: DEFINITIVE Submitted by: ClinGen
central core myopathy
Inheritance: AD, AR Classification: STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Orphanet, Genomics England PanelApp
King-Denborough syndrome
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
malignant hyperthermia of anesthesia
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
autosomal recessive centronuclear myopathy
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
benign Samaritan congenital myopathy
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
congenital myopathy with myasthenic-like onset
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
lethal multiple pterygium syndrome
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

RYR1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.921

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
RYR1	NM_000540.3 link	c.4766A>C	p.Gln1589Pro	missense_variant	Exon 33 of 106	ENST00000359596.8	NP_000531.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
RYR1	ENST00000359596.8 link	c.4766A>C	p.Gln1589Pro	missense_variant	Exon 33 of 106	5	NM_000540.3	ENSP00000352608.2

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152158

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:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00000590

AC:

AN:

169454

AF XY:

0.00

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 FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000146

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

7.10e-7

AC:

AN:

1409206

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

696100

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32302

American (AMR)

AF:

0.00

AC:

AN:

36568

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25262

East Asian (EAS)

AF:

0.00

AC:

AN:

36966

South Asian (SAS)

AF:

0.00

AC:

AN:

80102

European-Finnish (FIN)

AF:

0.00

AC:

AN:

49414

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5302

European-Non Finnish (NFE)

AF:

9.22e-7

AC:

AN:

1084902

Other (OTH)

AF:

0.00

AC:

AN:

58388

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152158

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74334

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41430

American (AMR)

AF:

0.00

AC:

AN:

15276

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5194

South Asian (SAS)

AF:

0.00

AC:

AN:

4828

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68018

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.625

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.0000508

Hom.:

Bravo

AF:

0.00000756

ExAC

AF:

0.00000847

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:6

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Uncertain:2

Aug 26, 2016

PreventionGenetics, part of Exact Sciences

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Jan 05, 2025

GeneDx

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Not observed at significant frequency in large population cohorts (gnomAD); This variant is associated with the following publications: (PMID: 32236737) -

RYR1-related disorder

Uncertain:1

Oct 17, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This sequence change replaces glutamine, which is neutral and polar, with proline, which is neutral and non-polar, at codon 1589 of the RYR1 protein (p.Gln1589Pro). This variant is present in population databases (rs780420237, gnomAD 0.002%). This missense change has been observed in individual(s) with clinical features of RYR1-related conditions (internal data). ClinVar contains an entry for this variant (Variation ID: 544377). Invitae Evidence Modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) indicates that this missense variant is expected to disrupt RYR1 protein function with a positive predictive value of 80%. 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

May 14, 2024

All of Us Research Program, National Institutes of Health

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This missense variant replaces glutamine with proline at codon 1589 of the RYR1 protein. Computational prediction suggests that this variant may have deleterious impact on protein structure and function. 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 1/169454 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 myopathy

Uncertain:1

Jan 25, 2023

Broad Center for Mendelian Genomics, Broad Institute of MIT and Harvard

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:curation

The heterozygous p.Gln1589Pro variant in RYR1 was identified by our study, in the compound heterozygous state with a variant of uncertain significance (NC_000019.10:g.38587339G>T), in one individual with central core disease. Familial segregation analysis revealed that this variant was in trans with another variant of uncertain significance (NC_000019.10:g.38587339G>T). The p.Gln1589Pro variant in RYR1 has not been previously reported in the literature in individuals with RYR1-related myopathy but has been identified in 0.001% (1/68664) of European (non-Finnish) chromosomes by the Genome Aggregation Database (gnomAD, http://gnomad.broadinstitute.org; dbSNP ID: rs780420237). Although this variant has been seen in the general population in a heterozygous state, its frequency is low enough to be consistent with a recessive carrier frequency. This variant has also been reported in ClinVar (Variation ID: 544377) and has been interpreted as a variant of uncertain significance by Invitae and Prevention Genetics. Computational prediction tools and conservation analyses suggest that this variant may impact the protein, though this information is not predictive enough to determine pathogenicity. In summary, the clinical significance of the p.Gln1589Pro variant is uncertain. ACMG/AMP Criteria applied: PM2_Supporting, PP3 (Richards 2015). -

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

Sep 10, 2021

Fulgent Genetics, Fulgent Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.57

BayesDel_addAF

Pathogenic

0.30

BayesDel_noAF

Pathogenic

0.20

CADD

Benign

(source)

DANN

Benign

0.97

DEOGEN2

Pathogenic

0.85

.;D

Eigen

Pathogenic

0.81

Eigen_PC

Pathogenic

0.76

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Pathogenic

0.99

D;D

M_CAP

Pathogenic

0.79

MetaRNN

Pathogenic

0.92

D;D

MetaSVM

Pathogenic

1.1

MutationAssessor

Uncertain

2.8

M;M

PhyloP100

9.2

PrimateAI

Benign

0.47

PROVEAN

Pathogenic

-5.5

D;D

REVEL

Pathogenic

0.90

Sift

Uncertain

0.0080

D;D

Polyphen

1.0

D;D

Vest4

0.81

MutPred

0.32

Gain of catalytic residue at Q1589 (P = 0.0026);Gain of catalytic residue at Q1589 (P = 0.0026);

MVP

1.0

MPC

1.1

ClinPred

0.95

GERP RS

5.0

Varity_R

0.78

gMVP

0.83

Mutation Taster

=0/100

disease causing

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

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

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over