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NM_000238.4(KCNH2):c.2660G>A (p.Arg887His) 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:
RCV000058148.11

Allele description [Variation Report for NM_000238.4(KCNH2):c.2660G>A (p.Arg887His)]

NM_000238.4(KCNH2):c.2660G>A (p.Arg887His)

Gene:
KCNH2:potassium voltage-gated channel subfamily H member 2 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
7q36.1
Genomic location:
Preferred name:
NM_000238.4(KCNH2):c.2660G>A (p.Arg887His)
HGVS:
  • NC_000007.14:g.150948476C>T
  • NG_008916.1:g.34451G>A
  • NM_000238.4:c.2660G>AMANE SELECT
  • NM_172057.3:c.1640G>A
  • NP_000229.1:p.Arg887His
  • NP_000229.1:p.Arg887His
  • NP_742054.1:p.Arg547His
  • LRG_288t1:c.2660G>A
  • LRG_288:g.34451G>A
  • LRG_288p1:p.Arg887His
  • NC_000007.13:g.150645564C>T
  • NM_000238.2:c.2660G>A
  • NM_000238.3:c.2660G>A
  • Q12809:p.Arg887His
Protein change:
R547H
Links:
UniProtKB: Q12809#VAR_068281; dbSNP: rs199473432
NCBI 1000 Genomes Browser:
rs199473432
Molecular consequence:
  • NM_000238.4:c.2660G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_172057.3:c.1640G>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

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV000089668Cardiovascular Biomedical Research Unit, Royal Brompton & Harefield NHS Foundation Trust
no classification provided
not providedgermlineliterature only

PubMed (5)
[See all records that cite these PMIDs]

Help

Summary from all submissions

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

Citations

PubMed

Compendium of cardiac channel mutations in 541 consecutive unrelated patients referred for long QT syndrome genetic testing.

Tester DJ, Will ML, Haglund CM, Ackerman MJ.

Heart Rhythm. 2005 May;2(5):507-17.

PubMed [citation]
PMID:
15840476

Association of torsades de pointes with novel and known single nucleotide polymorphisms in long QT syndrome genes.

Mank-Seymour AR, Richmond JL, Wood LS, Reynolds JM, Fan YT, Warnes GR, Milos PM, Thompson JF.

Am Heart J. 2006 Dec;152(6):1116-22.

PubMed [citation]
PMID:
17161064
See all PubMed Citations (5)

Details of each submission

From Cardiovascular Biomedical Research Unit, Royal Brompton & Harefield NHS Foundation Trust, SCV000089668.3

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedliterature only PubMed (5)

Description

This variant has been reported as associated with Long QT syndrome in the following publications (PMID:15840476;PMID:17161064;PMID:22378279;PMID:22653970). 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: Nov 3, 2024