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NM_000238.4(KCNH2):c.1067G>A (p.Arg356His) AND not provided

Germline classification:
Uncertain significance (2 submissions)
Last evaluated:
May 17, 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:
RCV000729426.15

Allele description [Variation Report for NM_000238.4(KCNH2):c.1067G>A (p.Arg356His)]

NM_000238.4(KCNH2):c.1067G>A (p.Arg356His)

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.1067G>A (p.Arg356His)
HGVS:
  • NC_000007.14:g.150957352C>T
  • NG_008916.1:g.25575G>A
  • NM_000238.4:c.1067G>AMANE SELECT
  • NM_001406753.1:c.779G>A
  • NM_001406755.1:c.890G>A
  • NM_001406756.1:c.779G>A
  • NM_001406757.1:c.767G>A
  • NM_172056.3:c.1067G>A
  • NP_000229.1:p.Arg356His
  • NP_000229.1:p.Arg356His
  • NP_001393682.1:p.Arg260His
  • NP_001393684.1:p.Arg297His
  • NP_001393685.1:p.Arg260His
  • NP_001393686.1:p.Arg256His
  • NP_742053.1:p.Arg356His
  • NP_742053.1:p.Arg356His
  • LRG_288t1:c.1067G>A
  • LRG_288t2:c.1067G>A
  • LRG_288:g.25575G>A
  • LRG_288p1:p.Arg356His
  • LRG_288p2:p.Arg356His
  • NC_000007.13:g.150654440C>T
  • NM_000238.2:c.1067G>A
  • NM_000238.3:c.1067G>A
  • NM_172056.2:c.1067G>A
  • NR_176254.1:n.1475G>A
Protein change:
R256H
Links:
dbSNP: rs730880118
NCBI 1000 Genomes Browser:
rs730880118
Molecular consequence:
  • NM_000238.4:c.1067G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001406753.1:c.779G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001406755.1:c.890G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001406756.1:c.779G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001406757.1:c.767G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_172056.3:c.1067G>A - missense variant - [Sequence Ontology: SO:0001583]
Observations:
1

Condition(s)

Synonyms:
none provided
Identifiers:
MedGen: C3661900

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV000857088Eurofins Ntd Llc (ga)
criteria provided, single submitter

(EGL Classification Definitions 2015)
Uncertain significance
(Sep 22, 2017)
germlineclinical testing

Citation Link,

SCV001796576GeneDx
criteria provided, single submitter

(GeneDx Variant Classification Process June 2021)
Uncertain significance
(May 17, 2023)
germlineclinical testing

Citation Link

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknown1not providednot providednot providednot providedclinical testing
not providedgermlineyesnot providednot providednot providednot providednot providedclinical testing

Details of each submission

From Eurofins Ntd Llc (ga), SCV000857088.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not provided1not providednot providedclinical testingnot provided
#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot provided1not providednot providednot provided

From GeneDx, SCV001796576.2

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testingnot provided

Description

Reported in an individual with LQTS who also carried a pathogenic KCNH2 variant that independently segregated with disease in the family (Riuro et al., 2015); In silico analysis supports that this missense variant does not alter protein structure/function; This variant is associated with the following publications: (PMID: 24667783)

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

Last Updated: Nov 3, 2024