NM_000540.3(RYR1):c.7661T>C (p.Leu2554Pro) AND RYR1-related disorder

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Jul 19, 2022
Review status:: 1 star out of maximum of 4 stars
criteria provided, single submitter

Somatic classification of clinical impact:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Somatic classification of oncogenicity:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Record status:: current
Accession:: RCV000531104.7

Allele description [Variation Report for NM_000540.3(RYR1):c.7661T>C (p.Leu2554Pro)]

NM_000540.3(RYR1):c.7661T>C (p.Leu2554Pro)

Gene:

RYR1:ryanodine receptor 1 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

19q13.2

Genomic location:

Preferred name:

NM_000540.3(RYR1):c.7661T>C (p.Leu2554Pro)

HGVS:

NC_000019.10:g.38502553T>C
NG_008866.1:g.73854T>C
NM_000540.3:c.7661T>CMANE SELECT
NM_001042723.2:c.7661T>C
NP_000531.2:p.Leu2554Pro
NP_000531.2:p.Leu2554Pro
NP_001036188.1:p.Leu2554Pro
LRG_766t1:c.7661T>C
LRG_766:g.73854T>C
LRG_766p1:p.Leu2554Pro
NC_000019.9:g.38993193T>C
NM_000540.2:c.7661T>C

Protein change:

L2554P

Links:

dbSNP: rs1292252892

NCBI 1000 Genomes Browser:

rs1292252892

Molecular consequence:

NM_000540.3:c.7661T>C - missense variant - [Sequence Ontology: SO:0001583]
NM_001042723.2:c.7661T>C - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: RYR1-related disorder
Synonyms:: RYR1-Related Disorders; RYR1-related condition
Identifiers:: MedGen: CN239331

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000660034	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Jul 19, 2022)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000660034

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Jul 19, 2022)

germline

clinical testing

PubMed (1)
[See all records that cite this PMID]

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group., Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240. doi: 10.1038/s41436-019-0624-9.

PubMed [citation]

PMID:: 28492532
PMCID:: PMC5632818

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV000660034.4

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (1)

Description

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. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0"). This sequence change replaces leucine, which is neutral and non-polar, with proline, which is neutral and non-polar, at codon 2554 of the RYR1 protein (p.Leu2554Pro). 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: 478274).

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Sep 29, 2024

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