NM_000465.4(BARD1):c.2304G>A (p.Met768Ile) AND Familial cancer of breast

Germline classification:: Uncertain significance (2 submissions)
Last evaluated:: Feb 20, 2024
Review status:: 2 stars out of maximum of 4 stars
criteria provided, multiple submitters, no conflicts

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:: RCV001366906.8

Allele description [Variation Report for NM_000465.4(BARD1):c.2304G>A (p.Met768Ile)]

NM_000465.4(BARD1):c.2304G>A (p.Met768Ile)

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.2304G>A (p.Met768Ile)

HGVS:

NC_000002.12:g.214728706C>T
NG_012047.3:g.86006G>A
NM_000465.4:c.2304G>AMANE SELECT
NM_001282543.2:c.2247G>A
NM_001282545.2:c.951G>A
NM_001282548.2:c.894G>A
NM_001282549.2:c.765G>A
NP_000456.2:p.Met768Ile
NP_001269472.1:p.Met749Ile
NP_001269474.1:p.Met317Ile
NP_001269477.1:p.Met298Ile
NP_001269478.1:p.Met255Ile
LRG_297t1:c.2304G>A
LRG_297:g.86006G>A
LRG_297p1:p.Met768Ile
NC_000002.11:g.215593430C>T
NG_012047.2:g.85999G>A
NM_000465.2:c.2304G>A
NR_104212.2:n.2269G>A
NR_104215.2:n.2212G>A
NR_104216.2:n.1468G>A

Protein change:

M255I

Links:

dbSNP: rs730881409

NCBI 1000 Genomes Browser:

rs730881409

Molecular consequence:

NM_000465.4:c.2304G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_001282543.2:c.2247G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_001282545.2:c.951G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_001282548.2:c.894G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_001282549.2:c.765G>A - missense variant - [Sequence Ontology: SO:0001583]
NR_104212.2:n.2269G>A - non-coding transcript variant - [Sequence Ontology: SO:0001619]
NR_104215.2:n.2212G>A - non-coding transcript variant - [Sequence Ontology: SO:0001619]
NR_104216.2:n.1468G>A - 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
SCV001563226	Invitae	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Oct 10, 2023)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV005054593	Baylor Genetics	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain significance (Feb 20, 2024)	unknown	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

SCV001563226

Invitae

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Oct 10, 2023)

germline

clinical testing

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

SCV005054593

Baylor Genetics

criteria provided, single submitter

(ACMG Guidelines, 2015)

Uncertain significance
(Feb 20, 2024)

unknown

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
not provided	unknown	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

Standards and guidelines for the interpretation of sequence variants: a joint consensus recommendation of the American College of Medical Genetics and Genomics and the Association for Molecular Pathology.

Richards S, Aziz N, Bale S, Bick D, Das S, Gastier-Foster J, Grody WW, Hegde M, Lyon E, Spector E, Voelkerding K, Rehm HL; ACMG Laboratory Quality Assurance Committee..

Genet Med. 2015 May;17(5):405-24. doi: 10.1038/gim.2015.30. Epub 2015 Mar 5.

PubMed [citation]

PMID:: 25741868
PMCID:: PMC4544753

Details of each submission

From Invitae, SCV001563226.4

#	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 methionine, which is neutral and non-polar, with isoleucine, which is neutral and non-polar, at codon 768 of the BARD1 protein (p.Met768Ile). This variant is present in population databases (no rsID available, gnomAD 0.007%). 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: 481365). Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Not Available"; PolyPhen-2: "Benign"; Align-GVGD: "Not Available". The isoleucine 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

From Baylor Genetics, SCV005054593.1

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

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	unknown	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Sep 8, 2024

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