NM_000465.4(BARD1):c.1957A>G (p.Ile653Val) AND Familial cancer of breast

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Nov 7, 2021
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:: RCV001860749.4

Allele description [Variation Report for NM_000465.4(BARD1):c.1957A>G (p.Ile653Val)]

NM_000465.4(BARD1):c.1957A>G (p.Ile653Val)

Gene:

BARD1:BRCA1 associated RING domain 1 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

2q35

Genomic location:

Preferred name:

NM_000465.4(BARD1):c.1957A>G (p.Ile653Val)

HGVS:

NC_000002.12:g.214730455T>C
NG_012047.3:g.84257A>G
NM_000465.4:c.1957A>GMANE SELECT
NM_001282543.2:c.1900A>G
NM_001282545.2:c.604A>G
NM_001282548.2:c.547A>G
NM_001282549.2:c.418A>G
NP_000456.2:p.Ile653Val
NP_001269472.1:p.Ile634Val
NP_001269474.1:p.Ile202Val
NP_001269477.1:p.Ile183Val
NP_001269478.1:p.Ile140Val
LRG_297t1:c.1957A>G
LRG_297:g.84257A>G
LRG_297p1:p.Ile653Val
NC_000002.11:g.215595179T>C
NC_000002.11:g.215595179T>C
NG_012047.2:g.84250A>G
NM_000465.2:c.1957A>G
NR_104212.2:n.1922A>G
NR_104215.2:n.1865A>G
NR_104216.2:n.1121A>G

Protein change:

I140V

Links:

dbSNP: rs2228455

NCBI 1000 Genomes Browser:

rs2228455

Molecular consequence:

NM_000465.4:c.1957A>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001282543.2:c.1900A>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001282545.2:c.604A>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001282548.2:c.547A>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001282549.2:c.418A>G - missense variant - [Sequence Ontology: SO:0001583]
NR_104212.2:n.1922A>G - non-coding transcript variant - [Sequence Ontology: SO:0001619]
NR_104215.2:n.1865A>G - non-coding transcript variant - [Sequence Ontology: SO:0001619]
NR_104216.2:n.1121A>G - non-coding transcript variant - [Sequence Ontology: SO:0001619]

Condition(s)

Name:: Familial cancer of breast
Synonyms:: Breast cancer, familial; Hereditary breast cancer
Identifiers:: MONDO: MONDO:0016419; MedGen: C0346153; OMIM: 114480

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002166537	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Nov 7, 2021)	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

SCV002166537

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Nov 7, 2021)

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, SCV002166537.2

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

Description

This sequence change replaces isoleucine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 653 of the BARD1 protein (p.Ile653Val). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with BARD1-related conditions. ClinVar contains an entry for this variant (Variation ID: 820413). 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 valine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. 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.

#	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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