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NM_000335.5(SCN5A):c.5295G>A (p.Met1765Ile) AND Cardiovascular phenotype

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Jan 23, 2017
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:
RCV000620538.3

Allele description [Variation Report for NM_000335.5(SCN5A):c.5295G>A (p.Met1765Ile)]

NM_000335.5(SCN5A):c.5295G>A (p.Met1765Ile)

Gene:
SCN5A:sodium voltage-gated channel alpha subunit 5 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
3p22.2
Genomic location:
Preferred name:
NM_000335.5(SCN5A):c.5295G>A (p.Met1765Ile)
HGVS:
  • NC_000003.12:g.38551074C>T
  • NG_008934.1:g.103599G>A
  • NM_000335.5:c.5295G>AMANE SELECT
  • NM_001099404.2:c.5298G>A
  • NM_001099405.2:c.5244G>A
  • NM_001160160.2:c.5199G>A
  • NM_001160161.2:c.5136G>A
  • NM_001354701.2:c.5241G>A
  • NM_198056.3:c.5298G>A
  • NP_000326.2:p.Met1765Ile
  • NP_001092874.1:p.Met1766Ile
  • NP_001092875.1:p.Met1748Ile
  • NP_001153632.1:p.Met1733Ile
  • NP_001153633.1:p.Met1712Ile
  • NP_001341630.1:p.Met1747Ile
  • NP_932173.1:p.Met1766Ile
  • NP_932173.1:p.Met1766Ile
  • LRG_289t1:c.5298G>A
  • LRG_289:g.103599G>A
  • LRG_289p1:p.Met1766Ile
  • NC_000003.11:g.38592565C>T
  • NM_198056.2:c.5298G>A
Protein change:
M1712I
Links:
dbSNP: rs1553692822
NCBI 1000 Genomes Browser:
rs1553692822
Molecular consequence:
  • NM_000335.5:c.5295G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001099404.2:c.5298G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001099405.2:c.5244G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001160160.2:c.5199G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001160161.2:c.5136G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001354701.2:c.5241G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_198056.3:c.5298G>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
SCV000737889Ambry Genetics
criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)
Uncertain significance
(Jan 23, 2017)
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, SCV000737889.5

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

Description

The p.M1766I variant (also known as c.5298G>A), located in coding exon 27 of the SCN5A gene, results from a G to A substitution at nucleotide position 5298. The methionine at codon 1766 is replaced by isoleucine, an amino acid with highly similar properties. Other alterations affecting the same amino acid have been reported in association with SCN5A-related arrhythmia (Valdivia CR et al. Cardiovasc. Res., 2002 Aug;55:279-89; Mullally J et al. Heart Rhythm, 2013 Mar;10:378-82; Savastano S et al. Heart Rhythm, 2014 Jul;11:1176-83). This amino acid position is highly conserved in available vertebrate species. In addition, this alteration is predicted to be deleterious by in silico analysis. Since supporting evidence is limited at this time, 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