NM_000465.4(BARD1):c.905A>C (p.Lys302Thr) AND Familial cancer of breast

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Aug 7, 2019
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:: RCV001227919.8

Allele description [Variation Report for NM_000465.4(BARD1):c.905A>C (p.Lys302Thr)]

NM_000465.4(BARD1):c.905A>C (p.Lys302Thr)

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.905A>C (p.Lys302Thr)

HGVS:

NC_000002.12:g.214780969T>G
NG_012047.3:g.33743A>C
NM_000465.4:c.905A>CMANE SELECT
NM_001282543.2:c.848A>C
NM_001282545.2:c.215+16092A>C
NM_001282548.2:c.159-28414A>C
NM_001282549.2:c.364+11328A>C
NP_000456.2:p.Lys302Thr
NP_001269472.1:p.Lys283Thr
LRG_297t1:c.905A>C
LRG_297:g.33743A>C
LRG_297p1:p.Lys302Thr
NC_000002.11:g.215645693T>G
NG_012047.2:g.33736A>C
NM_000465.3:c.905A>C
NR_104212.2:n.870A>C
NR_104215.2:n.813A>C

Protein change:

K283T

Links:

dbSNP: rs1553622357

NCBI 1000 Genomes Browser:

rs1553622357

Molecular consequence:

NM_001282545.2:c.215+16092A>C - intron variant - [Sequence Ontology: SO:0001627]
NM_001282548.2:c.159-28414A>C - intron variant - [Sequence Ontology: SO:0001627]
NM_001282549.2:c.364+11328A>C - intron variant - [Sequence Ontology: SO:0001627]
NM_000465.4:c.905A>C - missense variant - [Sequence Ontology: SO:0001583]
NM_001282543.2:c.848A>C - missense variant - [Sequence Ontology: SO:0001583]
NR_104212.2:n.870A>C - non-coding transcript variant - [Sequence Ontology: SO:0001619]
NR_104215.2:n.813A>C - 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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NADH dehydrogenase subunit F, partial (chloroplast) [Cestrum strigilatum]
NADH dehydrogenase subunit F, partial (chloroplast) [Cestrum strigilatum]
gi|1497455627|gb|AYO46265.1|

Protein
Primary failure of tooth eruption
Primary failure of tooth eruption

MedGen
C1852222[conceptid] (1)
MedGen
Vitamin K1-d7 (0)
PopSet
Vitamin K1-d7 AND (alive[prop]) (0)
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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001400298	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Aug 7, 2019)	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

SCV001400298

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Aug 7, 2019)

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, SCV001400298.5

#	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 threonine 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 and their clinical significance is uncertain. This variant has not been reported in the literature in individuals with BARD1-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces lysine with threonine at codon 302 of the BARD1 protein (p.Lys302Thr). The lysine residue is highly conserved and there is a moderate physicochemical difference between lysine and threonine.

#	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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