NM_000059.4(BRCA2):c.8929T>C (p.Tyr2977His) AND Hereditary breast ovarian cancer syndrome

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Feb 15, 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:: RCV000550010.7

Allele description [Variation Report for NM_000059.4(BRCA2):c.8929T>C (p.Tyr2977His)]

NM_000059.4(BRCA2):c.8929T>C (p.Tyr2977His)

Gene:

BRCA2:BRCA2 DNA repair associated [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

13q13.1

Genomic location:

Preferred name:

NM_000059.4(BRCA2):c.8929T>C (p.Tyr2977His)

HGVS:

NC_000013.11:g.32379491T>C
NG_012772.3:g.69012T>C
NM_000059.4:c.8929T>CMANE SELECT
NP_000050.2:p.Tyr2977His
NP_000050.3:p.Tyr2977His
LRG_293t1:c.8929T>C
LRG_293:g.69012T>C
LRG_293p1:p.Tyr2977His
NC_000013.10:g.32953628T>C
NM_000059.3:c.8929T>C

Protein change:

Y2977H

Links:

dbSNP: rs587776473

NCBI 1000 Genomes Browser:

rs587776473

Molecular consequence:

NM_000059.4:c.8929T>C - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Hereditary breast ovarian cancer syndrome
Synonyms:: Hereditary breast and ovarian cancer syndrome; Hereditary breast and ovarian cancer; Hereditary breast and ovarian cancer syndrome (HBOC); See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0003582; MeSH: D061325; MedGen: C0677776; Orphanet: 145

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000635702	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Feb 15, 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

SCV000635702

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Feb 15, 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, SCV000635702.4

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

Description

In summary, this variant is a novel missense change with uncertain impact on protein function. It has been classified as a Variant of Uncertain Significance. Algorithms developed to predict the effect of missense changes on protein structure and function do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0"). This variant is not present in population databases (ExAC no frequency) and has not been reported in the literature in individuals with a BRCA2-related disease. This sequence change replaces tyrosine with histidine at codon 2977 of the BRCA2 protein (p.Tyr2977His). The tyrosine residue is highly conserved and there is a moderate physicochemical difference between tyrosine and histidine.

#	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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