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NM_000335.5(SCN5A):c.1019G>A (p.Arg340Gln) AND Congenital long QT syndrome

Germline classification:
not provided (1 submission)
Review status:
no classification provided
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:
RCV000058382.11

Allele description [Variation Report for NM_000335.5(SCN5A):c.1019G>A (p.Arg340Gln)]

NM_000335.5(SCN5A):c.1019G>A (p.Arg340Gln)

Gene:
SCN5A:sodium voltage-gated channel alpha subunit 5 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
3p22.2
Genomic location:
Preferred name:
NM_000335.5(SCN5A):c.1019G>A (p.Arg340Gln)
HGVS:
  • NC_000003.12:g.38606790C>T
  • NG_008934.1:g.47883G>A
  • NM_000335.5:c.1019G>AMANE SELECT
  • NM_001099404.2:c.1019G>A
  • NM_001099405.2:c.1019G>A
  • NM_001160160.2:c.1019G>A
  • NM_001160161.2:c.1019G>A
  • NM_001354701.2:c.1019G>A
  • NM_198056.3:c.1019G>A
  • NP_000326.2:p.Arg340Gln
  • NP_001092874.1:p.Arg340Gln
  • NP_001092875.1:p.Arg340Gln
  • NP_001153632.1:p.Arg340Gln
  • NP_001153633.1:p.Arg340Gln
  • NP_001341630.1:p.Arg340Gln
  • NP_932173.1:p.Arg340Gln
  • NP_932173.1:p.Arg340Gln
  • LRG_289t1:c.1019G>A
  • LRG_289:g.47883G>A
  • LRG_289p1:p.Arg340Gln
  • NC_000003.11:g.38648281C>T
  • NM_198056.2:c.1019G>A
Protein change:
R340Q
Links:
dbSNP: rs191009474
NCBI 1000 Genomes Browser:
rs191009474
Molecular consequence:
  • NM_000335.5:c.1019G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001099404.2:c.1019G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001099405.2:c.1019G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001160160.2:c.1019G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001160161.2:c.1019G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001354701.2:c.1019G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_198056.3:c.1019G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:
Congenital long QT syndrome (RWS)
Synonyms:
Familial long QT syndrome; Romano-Ward syndrome; Ventricular fibrillation with prolonged QT interval
Identifiers:
MONDO: MONDO:0019171; MedGen: C1141890; Orphanet: 768; OMIM: PS192500

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV000089902Cardiovascular Biomedical Research Unit, Royal Brompton & Harefield NHS Foundation Trust
no classification provided
not providedgermlineliterature only

PubMed (4)
[See all records that cite these PMIDs]

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedliterature only

Citations

PubMed

Four potassium channel mutations account for 73% of the genetic spectrum underlying long-QT syndrome (LQTS) and provide evidence for a strong founder effect in Finland.

Fodstad H, Swan H, Laitinen P, Piippo K, Paavonen K, Viitasalo M, Toivonen L, Kontula K.

Ann Med. 2004;36 Suppl 1:53-63.

PubMed [citation]
PMID:
15176425

The genetic basis of long QT and short QT syndromes: a mutation update.

Hedley PL, Jørgensen P, Schlamowitz S, Wangari R, Moolman-Smook J, Brink PA, Kanters JK, Corfield VA, Christiansen M.

Hum Mutat. 2009 Nov;30(11):1486-511. doi: 10.1002/humu.21106. Review.

PubMed [citation]
PMID:
19862833
See all PubMed Citations (4)

Details of each submission

From Cardiovascular Biomedical Research Unit, Royal Brompton & Harefield NHS Foundation Trust, SCV000089902.3

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedliterature only PubMed (4)

Description

This variant has been reported as associated with Long QT syndrome in the following publications (PMID:15176425;PMID:19862833;PMID:22685113). This is a literature report, and does not necessarily reflect the clinical interpretation of the Imperial College / Royal Brompton Cardiovascular Genetics laboratory.

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

Last Updated: Apr 20, 2024