rs200777598

Variant summary

Our verdict is Likely pathogenic. Variant got 8 ACMG points: 8P and 0B. PM1PM2PP2PP3_ModeratePP5

The NM_000540.3(RYR1):​c.14929G>A​(p.Glu4977Lys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,838 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 Lovd as Likely pathogenic (no stars).

Frequency

Genomes: not found (cov: 31)
Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

RYR1
NM_000540.3 missense

Scores

11
4
3

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 9.80
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 8 ACMG points.

PM1
In a topological_domain Cytoplasmic (size 96) in uniprot entity RYR1_HUMAN there are 7 pathogenic changes around while only 0 benign (100%) in NM_000540.3
PM2
Very rare variant in population databases, with high coverage;
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, 0.893
PP5
Variant 19-38586151-G-A is Pathogenic according to our data. Variant chr19-38586151-G-A is described in Lovd as [Likely_pathogenic].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
RYR1NM_000540.3 linkuse as main transcriptc.14929G>A p.Glu4977Lys missense_variant 104/106 ENST00000359596.8 NP_000531.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
RYR1ENST00000359596.8 linkuse as main transcriptc.14929G>A p.Glu4977Lys missense_variant 104/1065 NM_000540.3 ENSP00000352608 A2P21817-1

Frequencies

GnomAD3 genomes
Cov.:
31
GnomAD4 exome
AF:
6.84e-7
AC:
1
AN:
1461838
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
727214
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:
0.00
Gnomad4 NFE exome
AF:
8.99e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
31
Bravo
AF:
0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.95
BayesDel_addAF
Pathogenic
0.33
D
BayesDel_noAF
Pathogenic
0.24
CADD
Benign
23
DANN
Benign
0.91
DEOGEN2
Uncertain
0.71
.;D
Eigen
Pathogenic
0.70
Eigen_PC
Uncertain
0.60
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Pathogenic
0.99
D;D
M_CAP
Pathogenic
0.51
D
MetaRNN
Pathogenic
0.89
D;D
MetaSVM
Pathogenic
1.1
D
MutationAssessor
Benign
1.6
.;L
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Pathogenic
0.90
D
PROVEAN
Uncertain
-3.3
D;D
REVEL
Pathogenic
0.84
Sift
Uncertain
0.0040
D;D
Polyphen
1.0
D;D
Vest4
0.66
MutPred
0.50
.;Gain of methylation at E4977 (P = 0.0036);
MVP
1.0
MPC
0.64
ClinPred
0.96
D
GERP RS
4.2
Varity_R
0.53
gMVP
0.89

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

LitVar

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

Other links and lift over

dbSNP: rs200777598; hg19: chr19-39076791; COSMIC: COSV62102825; COSMIC: COSV62102825; API