NM_001103.4(ACTN2):c.2587A>C (p.Ile863Leu) AND multiple conditions

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Oct 4, 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:: RCV002513453.3

Allele description [Variation Report for NM_001103.4(ACTN2):c.2587A>C (p.Ile863Leu)]

NM_001103.4(ACTN2):c.2587A>C (p.Ile863Leu)

Gene:

ACTN2:actinin alpha 2 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

1q43

Genomic location:

Preferred name:

NM_001103.4(ACTN2):c.2587A>C (p.Ile863Leu)

HGVS:

NC_000001.11:g.236762521A>C
NG_009081.2:g.103381A>C
NM_001103.4:c.2587A>CMANE SELECT
NM_001278343.2:c.2587A>C
NM_001278344.2:c.1963A>C
NP_001094.1:p.Ile863Leu
NP_001265272.1:p.Ile863Leu
NP_001265273.1:p.Ile655Leu
NP_001265273.1:p.Ile655Leu
LRG_436t1:c.2587A>C
LRG_436:g.103381A>C
LRG_436p1:p.Ile863Leu
NC_000001.10:g.236925821A>C
NG_009081.1:g.81052A>C
NM_001103.2:c.2587A>C
NM_001278344.1:c.1963A>C
c.2587A>C

Protein change:

I655L

Links:

dbSNP: rs397516577

NCBI 1000 Genomes Browser:

rs397516577

Molecular consequence:

NM_001103.4:c.2587A>C - missense variant - [Sequence Ontology: SO:0001583]
NM_001278343.2:c.2587A>C - missense variant - [Sequence Ontology: SO:0001583]
NM_001278344.2:c.1963A>C - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Dilated cardiomyopathy 1AA (CMD1AA)
Synonyms:: CARDIOMYOPATHY, DILATED, 1AA, WITH OR WITHOUT LEFT VENTRICULAR NONCOMPACTION; CARDIOMYOPATHY, FAMILIAL HYPERTROPHIC, 23, WITH OR WITHOUT LEFT VENTRICULAR NONCOMPACTION
Identifiers:: MONDO: MONDO:0012808; MedGen: C2677338; Orphanet: 154; OMIM: 612158

Name:: Primary familial hypertrophic cardiomyopathy (HCM)
Synonyms:: Hereditary ventricular hypertrophy; Idiopathic hypertrophic subaortic stenosis
Identifiers:: MONDO: MONDO:0024573; MeSH: D024741; MedGen: C0949658; OMIM: PS192600

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV003487019	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Oct 4, 2022)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV003487019

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Oct 4, 2022)

germline

clinical testing

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

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

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, SCV003487019.2

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

Description

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. Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The leucine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. ClinVar contains an entry for this variant (Variation ID: 43932). This variant has not been reported in the literature in individuals affected with ACTN2-related conditions. This variant is present in population databases (rs397516577, gnomAD 0.002%). This sequence change replaces isoleucine, which is neutral and non-polar, with leucine, which is neutral and non-polar, at codon 863 of the ACTN2 protein (p.Ile863Leu).

#	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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