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NM_000059.4(BRCA2):c.4451A>G (p.Asp1484Gly) AND Hereditary cancer-predisposing syndrome

Germline classification:
Conflicting interpretations of pathogenicity (2 submissions)
Last evaluated:
Mar 23, 2023
Review status:
criteria provided, conflicting classifications
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:
RCV001188267.8

Allele description [Variation Report for NM_000059.4(BRCA2):c.4451A>G (p.Asp1484Gly)]

NM_000059.4(BRCA2):c.4451A>G (p.Asp1484Gly)

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.4451A>G (p.Asp1484Gly)
HGVS:
  • NC_000013.11:g.32338806A>G
  • NG_012772.3:g.28327A>G
  • NM_000059.4:c.4451A>GMANE SELECT
  • NP_000050.2:p.Asp1484Gly
  • NP_000050.3:p.Asp1484Gly
  • LRG_293t1:c.4451A>G
  • LRG_293:g.28327A>G
  • LRG_293p1:p.Asp1484Gly
  • NC_000013.10:g.32912943A>G
  • NM_000059.3:c.4451A>G
Protein change:
D1484G
Links:
dbSNP: rs1327059542
NCBI 1000 Genomes Browser:
rs1327059542
Molecular consequence:
  • NM_000059.4:c.4451A>G - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:
Hereditary cancer-predisposing syndrome
Synonyms:
Neoplastic Syndromes, Hereditary; Tumor predisposition; Cancer predisposition; See all synonyms [MedGen]
Identifiers:
MONDO: MONDO:0015356; MeSH: D009386; MedGen: C0027672

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV001355288Color Diagnostics, LLC DBA Color Health
criteria provided, single submitter

(ACMG Guidelines, 2015)
Uncertain significance
(Sep 20, 2019)
germlineclinical testing

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

SCV003850517University of Washington Department of Laboratory Medicine, University of Washington
criteria provided, single submitter

(Dines et al. (Genet Med. 2020))
Likely benign
(Mar 23, 2023)
germlinecuration

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

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedcuration, clinical testing

Citations

PubMed

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

Systematic misclassification of missense variants in BRCA1 and BRCA2 "coldspots".

Dines JN, Shirts BH, Slavin TP, Walsh T, King MC, Fowler DM, Pritchard CC.

Genet Med. 2020 May;22(5):825-830. doi: 10.1038/s41436-019-0740-6. Epub 2020 Jan 8.

PubMed [citation]
PMID:
31911673
PMCID:
PMC7200594

Details of each submission

From Color Diagnostics, LLC DBA Color Health, SCV001355288.2

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (1)

Description

This missense variant replaces aspartic acid with glycine at codon 1484 of the BRCA2 protein. Computational prediction tool suggests that this variant may not impact protein structure and function (internally defined REVEL score threshold ≤0.5, PMID: 27666373). Splice site prediction tools suggest that this variant may not impact RNA splicing. To our knowledge, functional studies have not been performed for this variant. This variant has not been reported in individuals affected with hereditary cancer in the literature. This variant has not been identified in the general population by the Genome Aggregation Database (gnomAD). The available evidence is insufficient to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance.

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

From University of Washington Department of Laboratory Medicine, University of Washington, SCV003850517.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedcuration PubMed (1)

Description

Missense variant in a coldspot region where missense variants are very unlikely to be pathogenic (PMID:31911673).

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

Last Updated: Sep 29, 2024