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NM_000218.3(KCNQ1):c.514G>A (p.Val172Met) AND Cardiovascular phenotype

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Mar 23, 2021
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:
RCV000620765.11

Allele description [Variation Report for NM_000218.3(KCNQ1):c.514G>A (p.Val172Met)]

NM_000218.3(KCNQ1):c.514G>A (p.Val172Met)

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.514G>A (p.Val172Met)
HGVS:
  • NC_000011.10:g.2570664G>A
  • NG_008935.1:g.130674G>A
  • NM_000218.3:c.514G>AMANE SELECT
  • NM_001406836.1:c.514G>A
  • NM_001406837.1:c.244G>A
  • NM_181798.2:c.133G>A
  • NP_000209.2:p.Val172Met
  • NP_000209.2:p.Val172Met
  • NP_001393765.1:p.Val172Met
  • NP_001393766.1:p.Val82Met
  • NP_861463.1:p.Val45Met
  • NP_861463.1:p.Val45Met
  • LRG_287t1:c.514G>A
  • LRG_287t2:c.133G>A
  • LRG_287:g.130674G>A
  • LRG_287p1:p.Val172Met
  • LRG_287p2:p.Val45Met
  • NC_000011.9:g.2591894G>A
  • NM_000218.2:c.514G>A
  • NM_181798.1:c.133G>A
  • NR_040711.2:n.407G>A
  • P51787:p.Val172Met
Protein change:
V172M
Links:
UniProtKB: P51787#VAR_074940; dbSNP: rs199472694
NCBI 1000 Genomes Browser:
rs199472694
Molecular consequence:
  • NM_000218.3:c.514G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001406836.1:c.514G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001406837.1:c.244G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_181798.2:c.133G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:
Cardiovascular phenotype
Identifiers:
MedGen: CN230736

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV000735768Ambry Genetics
criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)
Uncertain significance
(Mar 23, 2021)
germlineclinical testing

Citation Link

Summary from all submissions

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

Details of each submission

From Ambry Genetics, SCV000735768.5

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

Description

The c.514G>A (p.V172M) alteration is located in exon 3 (coding exon 3) of the KCNQ1 gene. This alteration results from a G to A substitution at nucleotide position 514, causing the valine (V) at amino acid position 172 to be replaced by a methionine (M). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear.

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

Last Updated: Oct 13, 2024