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NM_001613.4(ACTA2):c.148G>A (p.Gly50Arg) AND Aortic aneurysm, familial thoracic 6

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Oct 27, 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:
RCV003633430.2

Allele description [Variation Report for NM_001613.4(ACTA2):c.148G>A (p.Gly50Arg)]

NM_001613.4(ACTA2):c.148G>A (p.Gly50Arg)

Gene:
ACTA2:actin alpha 2, smooth muscle [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
10q23.31
Genomic location:
Preferred name:
NM_001613.4(ACTA2):c.148G>A (p.Gly50Arg)
HGVS:
  • NC_000010.11:g.88947368C>T
  • NG_011541.1:g.49023G>A
  • NM_001141945.3:c.148G>A
  • NM_001320855.2:c.148G>A
  • NM_001406462.1:c.148G>A
  • NM_001406463.1:c.148G>A
  • NM_001406464.1:c.148G>A
  • NM_001406466.1:c.148G>A
  • NM_001406467.1:c.129+1434G>A
  • NM_001406468.1:c.129+1434G>A
  • NM_001406469.1:c.129+1434G>A
  • NM_001406471.1:c.148G>A
  • NM_001613.4:c.148G>AMANE SELECT
  • NP_001135417.1:p.Gly50Arg
  • NP_001135417.1:p.Gly50Arg
  • NP_001307784.1:p.Gly50Arg
  • NP_001393391.1:p.Gly50Arg
  • NP_001393392.1:p.Gly50Arg
  • NP_001393393.1:p.Gly50Arg
  • NP_001393395.1:p.Gly50Arg
  • NP_001393400.1:p.Gly50Arg
  • NP_001604.1:p.Gly50Arg
  • NP_001604.1:p.Gly50Arg
  • LRG_781t1:c.148G>A
  • LRG_781t2:c.148G>A
  • LRG_781:g.49023G>A
  • LRG_781p1:p.Gly50Arg
  • LRG_781p2:p.Gly50Arg
  • NC_000010.10:g.90707125C>T
  • NM_001141945.1:c.148G>A
  • NM_001613.2:c.148G>A
Protein change:
G50R
Molecular consequence:
  • NM_001406467.1:c.129+1434G>A - intron variant - [Sequence Ontology: SO:0001627]
  • NM_001406468.1:c.129+1434G>A - intron variant - [Sequence Ontology: SO:0001627]
  • NM_001406469.1:c.129+1434G>A - intron variant - [Sequence Ontology: SO:0001627]
  • NM_001141945.3:c.148G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001320855.2:c.148G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001406462.1:c.148G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001406463.1:c.148G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001406464.1:c.148G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001406466.1:c.148G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001406471.1:c.148G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001613.4:c.148G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:
Aortic aneurysm, familial thoracic 6 (AAT6)
Synonyms:
FAMILIAL THORACIC AORTIC ANEURYSM WITH LIVEDO RETICULARIS AND IRIS FLOCCULI
Identifiers:
MONDO: MONDO:0012730; MedGen: C2673186; OMIM: 611788

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV004519240Labcorp Genetics (formerly Invitae), Labcorp
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))		Uncertain significance
(Oct 27, 2023) 		germlineclinical testing

PubMed (1)
[See all records that cite this PMID]

Help

Summary from all submissions

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

Citations

PubMed

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group., Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240. doi: 10.1038/s41436-019-0624-9.

PubMed [citation]
PMID:
28492532
PMCID:
PMC5632818

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV004519240.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (1)

Description

This sequence change replaces glycine, which is neutral and non-polar, with arginine, which is basic and polar, at codon 50 of the ACTA2 protein (p.Gly50Arg). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with ACTA2-related conditions. Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt ACTA2 protein function with a negative predictive value of 80%. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

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

Last Updated: Sep 29, 2024