NM_000069.3(CACNA1S):c.1904T>C (p.Met635Thr) AND Malignant hyperthermia, susceptibility to, 5

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Dec 1, 2023
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:: RCV004004424.2

Allele description [Variation Report for NM_000069.3(CACNA1S):c.1904T>C (p.Met635Thr)]

NM_000069.3(CACNA1S):c.1904T>C (p.Met635Thr)

Gene:

CACNA1S:calcium voltage-gated channel subunit alpha1 S [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

1q32.1

Genomic location:

Preferred name:

NM_000069.3(CACNA1S):c.1904T>C (p.Met635Thr)

HGVS:

NC_000001.11:g.201075539A>G
NG_009816.2:g.42028T>C
NM_000069.3:c.1904T>CMANE SELECT
NP_000060.2:p.Met635Thr
NC_000001.10:g.201044667A>G
NG_009816.1:g.42028T>C
NM_000069.2:c.1904T>C

Protein change:

M635T

Links:

dbSNP: rs144590408

NCBI 1000 Genomes Browser:

rs144590408

Molecular consequence:

NM_000069.3:c.1904T>C - missense variant - [Sequence Ontology: SO:0001583]

Observations:

Condition(s)

Name:: Malignant hyperthermia, susceptibility to, 5 (MHS5)
Synonyms:: Malignant hyperthermia susceptibility type 5; Malignant hyperpyrexia susceptibility type 5
Identifiers:: MONDO: MONDO:0011163; MedGen: C1866077; Orphanet: 423; OMIM: 601887

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV004825583	All of Us Research Program, National Institutes of Health	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain Significance (Dec 1, 2023)	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

SCV004825583

All of Us Research Program, National Institutes of Health

criteria provided, single submitter

(ACMG Guidelines, 2015)

Uncertain Significance
(Dec 1, 2023)

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	12	not provided	not provided	108544	not provided	clinical testing

Citations

PubMed

Standards and guidelines for the interpretation of sequence variants: a joint consensus recommendation of the American College of Medical Genetics and Genomics and the Association for Molecular Pathology.

Richards S, Aziz N, Bale S, Bick D, Das S, Gastier-Foster J, Grody WW, Hegde M, Lyon E, Spector E, Voelkerding K, Rehm HL; ACMG Laboratory Quality Assurance Committee..

Genet Med. 2015 May;17(5):405-24. doi: 10.1038/gim.2015.30. Epub 2015 Mar 5.

PubMed [citation]

PMID:: 25741868
PMCID:: PMC4544753

Details of each submission

From All of Us Research Program, National Institutes of Health, SCV004825583.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	12	not provided	not provided	clinical testing	PubMed (1)

Description

This missense variant replaces methionine with threonine at codon 635 of the CACNA1S protein. Computational prediction is inconclusive regarding the impact of this variant on protein structure and function (internally defined REVEL score threshold 0.5 < inconclusive < 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 CACNA1S-related disorders in the literature. This variant has been identified in 18/282860 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.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	108544	not provided	not provided		12	not provided	not provided	not provided

Last Updated: Sep 29, 2024

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