NM_000069.3(CACNA1S):c.1670G>A (p.Arg557His) AND Hypokalemic periodic paralysis, type 1

Germline classification:: Likely benign (2 submissions)
Last evaluated:: Apr 11, 2023
Review status:: 2 stars out of maximum of 4 stars
criteria provided, multiple submitters, no conflicts

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:: RCV000332775.6

Allele description [Variation Report for NM_000069.3(CACNA1S):c.1670G>A (p.Arg557His)]

NM_000069.3(CACNA1S):c.1670G>A (p.Arg557His)

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.1670G>A (p.Arg557His)

HGVS:

NC_000001.11:g.201077077C>T
NG_009816.2:g.40490G>A
NM_000069.3:c.1670G>AMANE SELECT
NP_000060.2:p.Arg557His
NC_000001.10:g.201046205C>T
NG_009816.1:g.40490G>A
NM_000069.2:c.1670G>A

Protein change:

R557H

Links:

dbSNP: rs4915212

NCBI 1000 Genomes Browser:

rs4915212

Molecular consequence:

NM_000069.3:c.1670G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Hypokalemic periodic paralysis, type 1
Synonyms:: HypoPP
Identifiers:: MONDO: MONDO:0042979; MedGen: C3714580; Orphanet: 681; OMIM: 170400

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000353099	Illumina Laboratory Services, Illumina	criteria provided, single submitter (ICSL Variant Classification Criteria 13 December 2019)	Likely benign (Jan 29, 2018)	germline	clinical testing	Citation Link,
SCV004179026	Genome-Nilou Lab	criteria provided, single submitter (ACMG Guidelines, 2015)	Likely benign (Apr 11, 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

SCV000353099

Illumina Laboratory Services, Illumina

criteria provided, single submitter

(ICSL Variant Classification Criteria 13 December 2019)

Likely benign
(Jan 29, 2018)

germline

clinical testing

Citation Link,

SCV004179026

Genome-Nilou Lab

criteria provided, single submitter

(ACMG Guidelines, 2015)

Likely benign
(Apr 11, 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	no	not provided	not provided	not provided	not provided	not provided	clinical testing
not provided	germline	unknown	not provided	not provided	not provided	not provided	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 Illumina Laboratory Services, Illumina, SCV000353099.3

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

Description

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). No publications were found based on this search. Allele frequency data from public databases allowed determination this variant is unlikely to cause disease. Therefore, this variant is classified as likely benign.

#	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

From Genome-Nilou Lab, SCV004179026.1

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

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	no	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Sep 29, 2024

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