NM_172107.4(KCNQ2):c.1630T>C (p.Cys544Arg) AND not provided

Germline classification:: Likely pathogenic (1 submission)
Last evaluated:: Jun 15, 2023
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:: RCV003235551.1

Allele description [Variation Report for NM_172107.4(KCNQ2):c.1630T>C (p.Cys544Arg)]

NM_172107.4(KCNQ2):c.1630T>C (p.Cys544Arg)

Gene:

KCNQ2:potassium voltage-gated channel subfamily Q member 2 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

20q13.33

Genomic location:

Preferred name:

NM_172107.4(KCNQ2):c.1630T>C (p.Cys544Arg)

HGVS:

NC_000020.11:g.63414089A>G
NG_009004.2:g.63552T>C
NM_001382235.1:c.1576T>C
NM_004518.6:c.1546T>C
NM_172106.3:c.1576T>C
NM_172107.2:c.1630T>C
NM_172107.4:c.1630T>CMANE SELECT
NM_172108.5:c.1537T>C
NP_001369164.1:p.Cys526Arg
NP_004509.2:p.Cys516Arg
NP_742104.1:p.Cys526Arg
NP_742105.1:p.Cys544Arg
NP_742106.1:p.Cys513Arg
NC_000020.10:g.62045442A>G

Protein change:

C513R

Links:

dbSNP: rs118192232

NCBI 1000 Genomes Browser:

rs118192232

Molecular consequence:

NM_001382235.1:c.1576T>C - missense variant - [Sequence Ontology: SO:0001583]
NM_004518.6:c.1546T>C - missense variant - [Sequence Ontology: SO:0001583]
NM_172106.3:c.1576T>C - missense variant - [Sequence Ontology: SO:0001583]
NM_172107.4:c.1630T>C - missense variant - [Sequence Ontology: SO:0001583]
NM_172108.5:c.1537T>C - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Synonyms:: none provided
Identifiers:: MedGen: C3661900

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV003932977	GeneDx	criteria provided, single submitter (GeneDx Variant Classification Process June 2021)	Likely pathogenic (Jun 15, 2023)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV003932977

GeneDx

criteria provided, single submitter

(GeneDx Variant Classification Process June 2021)

Likely pathogenic
(Jun 15, 2023)

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	yes	not provided	not provided	not provided	not provided	not provided	clinical testing

Details of each submission

From GeneDx, SCV003932977.1

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

Description

Not observed at significant frequency in large population cohorts (gnomAD); Missense variants in this gene are often considered pathogenic (HGMD); In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge; This variant is associated with the following publications: (PMID: 27602407)

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

Last Updated: Sep 29, 2024

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