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NM_172107.4(KCNQ2):c.2264A>G (p.Tyr755Cys) AND not provided

Germline classification:
Benign (1 submission)
Last evaluated:
Sep 3, 2020
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:
RCV001537812.10

Allele description [Variation Report for NM_172107.4(KCNQ2):c.2264A>G (p.Tyr755Cys)]

NM_172107.4(KCNQ2):c.2264A>G (p.Tyr755Cys)

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.2264A>G (p.Tyr755Cys)
Other names:
p.Y755C:TAC>TGC
HGVS:
  • NC_000020.11:g.63406999T>C
  • NG_009004.2:g.70642A>G
  • NM_004518.6:c.2180A>G
  • NM_172106.3:c.2210A>G
  • NM_172107.4:c.2264A>GMANE SELECT
  • NM_172108.5:c.2171A>G
  • NP_004509.2:p.Tyr727Cys
  • NP_742104.1:p.Tyr737Cys
  • NP_742105.1:p.Tyr755Cys
  • NP_742106.1:p.Tyr724Cys
  • NC_000020.10:g.62038352T>C
  • NM_172107.2:c.2264A>G
  • NM_172107.3:c.2264A>G
Protein change:
Y724C
Links:
dbSNP: rs3746366
NCBI 1000 Genomes Browser:
rs3746366
Molecular consequence:
  • NM_004518.6:c.2180A>G - missense variant - [Sequence Ontology: SO:0001583]
  • NM_172106.3:c.2210A>G - missense variant - [Sequence Ontology: SO:0001583]
  • NM_172107.4:c.2264A>G - missense variant - [Sequence Ontology: SO:0001583]
  • NM_172108.5:c.2171A>G - missense variant - [Sequence Ontology: SO:0001583]
Functional consequence:
  • Normal peak current [Functional Epilepsy Nomenclature for Ion Channels: FENICS-0096]
  • Normal rate of activation [Functional Epilepsy Nomenclature for Ion Channels: FENICS-0011]
  • Normal voltage dependence of activation [Functional Epilepsy Nomenclature for Ion Channels: FENICS-0032]

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
SCV000241436GeneDx
criteria provided, single submitter

(GeneDx Variant Classification Process June 2021)
Benign
(Sep 3, 2020)
germlineclinical testing

Citation Link

Summary from all submissions

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

Details of each submission

From GeneDx, SCV000241436.8

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

Description

This variant is associated with the following publications: (PMID: 31152295, 32276107, 31199083, 21685056)

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

Last Updated: Oct 26, 2024