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NM_000218.3(KCNQ1):c.783G>C (p.Glu261Asp) 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:
RCV000057760.4

Allele description [Variation Report for NM_000218.3(KCNQ1):c.783G>C (p.Glu261Asp)]

NM_000218.3(KCNQ1):c.783G>C (p.Glu261Asp)

Gene:
KCNQ1:potassium voltage-gated channel subfamily Q member 1 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
11p15.5
Genomic location:
Preferred name:
NM_000218.3(KCNQ1):c.783G>C (p.Glu261Asp)
HGVS:
  • NC_000011.10:g.2572848G>C
  • NG_008935.1:g.132858G>C
  • NM_000218.3:c.783G>CMANE SELECT
  • NM_001406836.1:c.783G>C
  • NM_001406837.1:c.513G>C
  • NM_181798.2:c.402G>C
  • NP_000209.2:p.Glu261Asp
  • NP_000209.2:p.Glu261Asp
  • NP_001393765.1:p.Glu261Asp
  • NP_001393766.1:p.Glu171Asp
  • NP_861463.1:p.Glu134Asp
  • NP_861463.1:p.Glu134Asp
  • LRG_287t1:c.783G>C
  • LRG_287t2:c.402G>C
  • LRG_287:g.132858G>C
  • LRG_287p1:p.Glu261Asp
  • LRG_287p2:p.Glu134Asp
  • NC_000011.9:g.2594078G>C
  • NM_000218.2:c.783G>C
  • NM_181798.1:c.402G>C
  • NR_040711.2:n.676G>C
  • P51787:p.Glu261Asp
Protein change:
E134D
Links:
UniProtKB: P51787#VAR_008944; dbSNP: rs199472721
NCBI 1000 Genomes Browser:
rs199472721
Molecular consequence:
  • NM_000218.3:c.783G>C - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001406836.1:c.783G>C - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001406837.1:c.513G>C - missense variant - [Sequence Ontology: SO:0001583]
  • NM_181798.2:c.402G>C - 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
SCV000089279Cardiovascular Biomedical Research Unit, Royal Brompton & Harefield NHS Foundation Trust
no classification provided
not providedgermlineliterature only

PubMed (8)
[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

Jervell and Lange-Nielsen syndrome: a Norwegian perspective.

Tranebjaerg L, Bathen J, Tyson J, Bitner-Glindzicz M.

Am J Med Genet. 1999 Sep 24;89(3):137-46. Review.

PubMed [citation]
PMID:
10704188

A spectrum of functional effects for disease causing mutations in the Jervell and Lange-Nielsen syndrome.

Huang L, Bitner-Glindzicz M, Tranebjaerg L, Tinker A.

Cardiovasc Res. 2001 Sep;51(4):670-80.

PubMed [citation]
PMID:
11530100
See all PubMed Citations (8)

Details of each submission

From Cardiovascular Biomedical Research Unit, Royal Brompton & Harefield NHS Foundation Trust, SCV000089279.3

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedliterature only PubMed (8)

Description

This variant has been reported as associated with Long QT syndrome in the following publications (PMID:10704188;PMID:11530100;PMID:15840476;PMID:18752142;PMID:11140949;PMID:17999538;PMID:15935335). 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: Sep 29, 2024