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NM_000218.3(KCNQ1):c.1096C>T (p.Arg366Trp) AND not provided

Germline classification:
Pathogenic (3 submissions)
Last evaluated:
Jan 10, 2022
Review status:
1 star out of maximum of 4 stars
criteria provided, single submitter
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:
RCV000182173.10

Allele description [Variation Report for NM_000218.3(KCNQ1):c.1096C>T (p.Arg366Trp)]

NM_000218.3(KCNQ1):c.1096C>T (p.Arg366Trp)

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.1096C>T (p.Arg366Trp)
Other names:
p.R366W:CGG>TGG
HGVS:
  • NC_000011.10:g.2585275C>T
  • NG_008935.1:g.145285C>T
  • NM_000218.3:c.1096C>TMANE SELECT
  • NM_001406837.1:c.826C>T
  • NM_181798.2:c.715C>T
  • NP_000209.2:p.Arg366Trp
  • NP_000209.2:p.Arg366Trp
  • NP_001393766.1:p.Arg276Trp
  • NP_861463.1:p.Arg239Trp
  • NP_861463.1:p.Arg239Trp
  • LRG_287t1:c.1096C>T
  • LRG_287t2:c.715C>T
  • LRG_287:g.145285C>T
  • LRG_287p1:p.Arg366Trp
  • LRG_287p2:p.Arg239Trp
  • NC_000011.9:g.2606505C>T
  • NM_000218.2:c.1096C>T
  • NM_181798.1:c.715C>T
  • NR_040711.2:n.989C>T
  • P51787:p.Arg366Trp
Protein change:
R239W
Links:
UniProtKB: P51787#VAR_008948; dbSNP: rs199473411
NCBI 1000 Genomes Browser:
rs199473411
Molecular consequence:
  • NM_000218.3:c.1096C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001406837.1:c.826C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_181798.2:c.715C>T - missense variant - [Sequence Ontology: SO:0001583]

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
SCV000234476GeneDx
criteria provided, single submitter

(GeneDx Variant Classification Process June 2021)
Pathogenic
(Jan 10, 2022)
germlineclinical testing

Citation Link,

SCV001926681Genome Diagnostics Laboratory, University Medical Center Utrecht - VKGL Data-share Consensus

See additional submitters

no assertion criteria provided
Pathogenicgermlineclinical testing

SCV001958223Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+ - VKGL Data-share Consensus

See additional submitters

no assertion criteria provided
Pathogenicgermlineclinical testing

Summary from all submissions

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

Details of each submission

From GeneDx, SCV000234476.15

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

Description

Not observed at significant frequency in large population cohorts (gnomAD); Functional studies in cultured mammalian cells and/or Xenopus oocytes demonstrate that R366W impairs calmodulin binding and disrupts channel expression and function (Shamgar et al., 2006); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Reported in ClinVar as pathogenic or likely pathogenic (ClinVar Variant ID#52955; ClinVar); This variant is associated with the following publications: (PMID: 24357532, 26063740, 27231019, 9693036, 22949429, 16556865, 25525159, 15466642, 19716085, 10220146, 14678125, 12388934, 24606995, 26669661, 31737537, 31447099, 29790872, 29740400, 30508507, 34135346, 34691145, 29497013)

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

From Genome Diagnostics Laboratory, University Medical Center Utrecht - VKGL Data-share Consensus, SCV001926681.1

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

From Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+ - VKGL Data-share Consensus, SCV001958223.1

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

Last Updated: Sep 29, 2024