NM_000465.4(BARD1):c.406G>T (p.Ala136Ser) AND Familial cancer of breast

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Dec 5, 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:: RCV000541066.9

Allele description [Variation Report for NM_000465.4(BARD1):c.406G>T (p.Ala136Ser)]

NM_000465.4(BARD1):c.406G>T (p.Ala136Ser)

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.406G>T (p.Ala136Ser)

HGVS:

NC_000002.12:g.214781468C>A
NG_012047.3:g.33244G>T
NM_000465.2:c.406G>T
NM_000465.4:c.406G>TMANE SELECT
NM_001282543.2:c.349G>T
NM_001282545.2:c.215+15593G>T
NM_001282548.2:c.158+27944G>T
NM_001282549.2:c.364+10829G>T
NP_000456.2:p.Ala136Ser
NP_001269472.1:p.Ala117Ser
LRG_297t1:c.406G>T
LRG_297:g.33244G>T
LRG_297p1:p.Ala136Ser
NC_000002.11:g.215646192C>A
NG_012047.2:g.33237G>T
NM_000465.3:c.406G>T
NR_104212.2:n.371G>T
NR_104215.2:n.314G>T

Protein change:

A117S

Links:

dbSNP: rs1261925788

NCBI 1000 Genomes Browser:

rs1261925788

Molecular consequence:

NM_001282545.2:c.215+15593G>T - intron variant - [Sequence Ontology: SO:0001627]
NM_001282548.2:c.158+27944G>T - intron variant - [Sequence Ontology: SO:0001627]
NM_001282549.2:c.364+10829G>T - intron variant - [Sequence Ontology: SO:0001627]
NM_000465.4:c.406G>T - missense variant - [Sequence Ontology: SO:0001583]
NM_001282543.2:c.349G>T - missense variant - [Sequence Ontology: SO:0001583]
NR_104212.2:n.371G>T - non-coding transcript variant - [Sequence Ontology: SO:0001619]
NR_104215.2:n.314G>T - 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
SCV000633036	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Dec 5, 2017)	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

SCV000633036

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Dec 5, 2017)

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, SCV000633036.5

#	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 alanine with serine at codon 136 of the BARD1 protein (p.Ala136Ser). The alanine residue is highly conserved and there is a moderate physicochemical difference between alanine and serine. This variant is not present in population databases (ExAC no frequency) and has not been reported in the literature in individuals with a BARD1-related disease. In summary, this variant is a novel missense change that is not predicted to affect protein function. There is no indication that it causes disease, but the available evidence is currently insufficient to prove that conclusively. 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: "Deleterious"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The serine amino acid residue is found in multiple mammalian species, suggesting that this missense change does not adversely affect protein function. These predictions have not been confirmed by published functional studies.

#	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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