NM_005472.5(KCNE3):c.241C>T (p.Arg81Cys) AND Cardiovascular phenotype

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Sep 16, 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:: RCV002447233.2

Allele description [Variation Report for NM_005472.5(KCNE3):c.241C>T (p.Arg81Cys)]

NM_005472.5(KCNE3):c.241C>T (p.Arg81Cys)

Gene:

KCNE3:potassium voltage-gated channel subfamily E regulatory subunit 3 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

11q13.4

Genomic location:

Preferred name:

NM_005472.5(KCNE3):c.241C>T (p.Arg81Cys)

HGVS:

NC_000011.10:g.74457323G>A
NG_011833.1:g.15233C>T
NM_005472.5:c.241C>TMANE SELECT
NP_005463.1:p.Arg81Cys
LRG_439t1:c.241C>T
LRG_439:g.15233C>T
NC_000011.9:g.74168368G>A
NM_005472.4:c.241C>T

Protein change:

R81C

Links:

dbSNP: rs542842233

NCBI 1000 Genomes Browser:

rs542842233

Molecular consequence:

NM_005472.5:c.241C>T - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Cardiovascular phenotype
Identifiers:: MedGen: CN230736

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002732850	Ambry Genetics	criteria provided, single submitter (Ambry Variant Classification Scheme 2023)	Uncertain significance (Sep 16, 2022)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV002732850

Ambry Genetics

criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)

Uncertain significance
(Sep 16, 2022)

germline

clinical testing

Citation Link

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Details of each submission

From Ambry Genetics, SCV002732850.2

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	not provided

Description

The p.R81C variant (also known as c.241C>T), located in coding exon 1 of the KCNE3 gene, results from a C to T substitution at nucleotide position 241. The arginine at codon 81 is replaced by cysteine, an amino acid with highly dissimilar properties. This amino acid position is highly conserved in available vertebrate species. In addition, the in silico prediction for this alteration is inconclusive. The evidence for this gene-disease relationship is limited; therefore, the clinical significance of this alteration is unclear.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Sep 29, 2024

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