13-32371035-A-C

Variant summary

Our verdict is Benign. Variant got -9 ACMG points: 0P and 9B. BP4_StrongBP6BS2

The NM_000059.4(BRCA2):​c.8567A>C​(p.Glu2856Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00246 in 1,614,178 control chromosomes in the GnomAD database, including 8 homozygotes. In-silico tool predicts a benign outcome for this variant. 13/19 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: š‘“ 0.0015 ( 0 hom., cov: 32)
Exomes š‘“: 0.0026 ( 8 hom. )

Consequence

BRCA2
NM_000059.4 missense

Scores

3
13

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:37

Conservation

PhyloP100: 1.24
Variant links:
Genes affected
BRCA2 (HGNC:1101): (BRCA2 DNA repair associated) Inherited mutations in BRCA1 and this gene, BRCA2, confer increased lifetime risk of developing breast or ovarian cancer. Both BRCA1 and BRCA2 are involved in maintenance of genome stability, specifically the homologous recombination pathway for double-strand DNA repair. The largest exon in both genes is exon 11, which harbors the most important and frequent mutations in breast cancer patients. The BRCA2 gene was found on chromosome 13q12.3 in human. The BRCA2 protein contains several copies of a 70 aa motif called the BRC motif, and these motifs mediate binding to the RAD51 recombinase which functions in DNA repair. BRCA2 is considered a tumor suppressor gene, as tumors with BRCA2 mutations generally exhibit loss of heterozygosity (LOH) of the wild-type allele. [provided by RefSeq, May 2020]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -9 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.04511389).
BP6
Variant 13-32371035-A-C is Benign according to our data. Variant chr13-32371035-A-C is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 38168.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=12, Benign=14, Uncertain_significance=1}. Variant chr13-32371035-A-C is described in Lovd as [Benign]. Variant chr13-32371035-A-C is described in Lovd as [Likely_benign].
BS2
High Homozygotes in GnomAdExome4 at 8 AD,AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
BRCA2NM_000059.4 linkc.8567A>C p.Glu2856Ala missense_variant Exon 20 of 27 ENST00000380152.8 NP_000050.3 P51587

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
BRCA2ENST00000380152.8 linkc.8567A>C p.Glu2856Ala missense_variant Exon 20 of 27 5 NM_000059.4 ENSP00000369497.3 P51587
BRCA2ENST00000530893.7 linkc.8198A>C p.Glu2733Ala missense_variant Exon 20 of 27 1 ENSP00000499438.2 A0A590UJI7
BRCA2ENST00000614259.2 linkn.*625A>C non_coding_transcript_exon_variant Exon 19 of 26 2 ENSP00000506251.1 A0A7P0TAP7
BRCA2ENST00000614259 linkn.*625A>C 3_prime_UTR_variant Exon 19 of 25 2 ENSP00000506251.1 A0A7P0TAP7

Frequencies

GnomAD3 genomes
AF:
0.00148
AC:
225
AN:
152214
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000555
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.000377
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00288
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00107
AC:
269
AN:
251244
Hom.:
0
AF XY:
0.00105
AC XY:
142
AN XY:
135778
show subpopulations
Gnomad AFR exome
AF:
0.000738
Gnomad AMR exome
AF:
0.0000289
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.000693
Gnomad NFE exome
AF:
0.00208
Gnomad OTH exome
AF:
0.000816
GnomAD4 exome
AF:
0.00256
AC:
3740
AN:
1461846
Hom.:
8
Cov.:
31
AF XY:
0.00245
AC XY:
1784
AN XY:
727228
show subpopulations
Gnomad4 AFR exome
AF:
0.000418
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.000805
Gnomad4 NFE exome
AF:
0.00323
Gnomad4 OTH exome
AF:
0.00147
GnomAD4 genome
AF:
0.00148
AC:
225
AN:
152332
Hom.:
0
Cov.:
32
AF XY:
0.00118
AC XY:
88
AN XY:
74492
show subpopulations
Gnomad4 AFR
AF:
0.000553
Gnomad4 AMR
AF:
0.000131
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.000377
Gnomad4 NFE
AF:
0.00288
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.00185
Hom.:
0
Bravo
AF:
0.00124
TwinsUK
AF:
0.00216
AC:
8
ALSPAC
AF:
0.00311
AC:
12
ESP6500AA
AF:
0.000454
AC:
2
ESP6500EA
AF:
0.00198
AC:
17
ExAC
AF:
0.000881
AC:
107
EpiCase
AF:
0.00142
EpiControl
AF:
0.00190

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:2Benign:37
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

Breast-ovarian cancer, familial, susceptibility to, 2 Benign:11
Mar 02, 2020
BRCAlab, Lund University
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

-
Diagnostic Laboratory, Department of Genetics, University Medical Center Groningen
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Oct 09, 2014
Genome Diagnostics Laboratory, University Medical Center Utrecht
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Nov 06, 2014
Pathway Genomics
Significance: Likely benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Nov 03, 2014
Michigan Medical Genetics Laboratories, University of Michigan
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

May 29, 2002
Breast Cancer Information Core (BIC) (BRCA2)
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

May 01, 2012
Sharing Clinical Reports Project (SCRP)
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Sep 01, 2021
Genetics and Molecular Pathology, SA Pathology
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Sep 21, 2015
Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Feb 28, 2018
Illumina Laboratory Services, Illumina
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. The evidence from the literature, in combination with allele frequency data from public databases where available, was sufficient to determine this variant is unlikely to cause disease. Therefore, this variant is classified as likely benign. -

Apr 08, 2014
Counsyl
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: literature only

- -

not specified Uncertain:1Benign:8
-
Clinical Genetics Laboratory, Department of Pathology, Netherlands Cancer Institute
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Jan 07, 2014
GeneDx
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -

-
Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Mar 04, 2025
Center for Genomic Medicine, Rigshospitalet, Copenhagen University Hospital
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Mar 28, 2016
Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

Variant identified in a genome or exome case(s) and assessed due to predicted null impact of the variant or pathogenic assertions in the literature or databases. Disclaimer: This variant has not undergone full assessment. The following are preliminary notes: ClinVar: 10 labs classify as LB/Ben; ExAC: 0.1% (94/66682) European chromosomes -

May 01, 2014
Eurofins Ntd Llc (ga)
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

-
Department of Pathology and Laboratory Medicine, Sinai Health System
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

The p.Glu2856Ala variant is identified in the literature in 26 out of 7714 proband chromosomes (frequency 0.003) with breast, ovarian and prostate cancers, however it is also identified in 16 out of 5286 control chromosomes (frequency 0.003) (Spitzer 2000, Borg 2010, Soegaard 2008, Edwards 2003, Chenevix-Trench 2006, Evans 2008), and listed in dbSNP database as coming from a "clinical source" (ID#: rs11571747) with an average heterozygosity of 0.002+/-0.031 in various human populations, therefore increasing the likelihood of this variant to be benign. In the UMD database, this variant has been identified in two (out of 23) individuals with breast or ovarian cancers, where a second pathogenic BRCA1 or BRCA2 mutation was also detected, and also found in an breast cancer individual in the homozygous state (Chenevix-Trench 2006), further suggesting the benign nature of this variant. The p.Glu2856 residue is conserved in mammals and computational analyses (PolyPhen2, SIFT, AlignGVGD) provide inconsistent predictions regarding the impact to the protein, leaning more towards deleterious, but this information is not predictive enough to assume pathogenicity. Furthermore, Myriad genetics has reported this variant as a polymorphism increasing the likelihood this variant is benign (personal communication). Based on the above information, this variant is classified as Benign. -

Apr 19, 2017
Cancer Genetics and Genomics Laboratory, British Columbia Cancer Agency
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Sep 29, 2021
Genetic Services Laboratory, University of Chicago
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

not provided Benign:6
-
Laboratory of Diagnostic Genome Analysis, Leiden University Medical Center (LUMC)
Significance: Likely benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Aug 25, 2017
PreventionGenetics, part of Exact Sciences
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Nov 03, 2021
Institute for Clinical Genetics, University Hospital TU Dresden, University Hospital TU Dresden
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Jul 13, 2012
Biesecker Lab/Clinical Genomics Section, National Institutes of Health
Significance: Likely benign
Review Status: no assertion criteria provided
Collection Method: research

- -

Feb 01, 2025
CeGaT Center for Human Genetics Tuebingen
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

BRCA2: BP4, BS3:Moderate, BS1 -

Nov 15, 2024
ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Hereditary cancer-predisposing syndrome Benign:5
Nov 19, 2014
Ambry Genetics
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This alteration is classified as benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

May 23, 2018
Institute for Biomarker Research, Medical Diagnostic Laboratories, L.L.C.
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Aug 14, 2017
True Health Diagnostics
Significance: Likely benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Nov 25, 2014
Color Diagnostics, LLC DBA Color Health
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Oct 19, 2020
Sema4, Sema4
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: curation

- -

Hereditary breast ovarian cancer syndrome Benign:4
Apr 25, 2016
Institute for Biomarker Research, Medical Diagnostic Laboratories, L.L.C.
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Apr 19, 2022
National Health Laboratory Service, Universitas Academic Hospital and University of the Free State
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Feb 04, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Sep 29, 2014
Women's Health and Genetics/Laboratory Corporation of America, LabCorp
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Breast and/or ovarian cancer Uncertain:1Benign:1
Mar 08, 2023
CHEO Genetics Diagnostic Laboratory, Children's Hospital of Eastern Ontario
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Aug 16, 2001
Foulkes Cancer Genetics LDI, Lady Davis Institute for Medical Research
Significance: Uncertain significance
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Fanconi anemia complementation group D1 Benign:1
Feb 28, 2018
Illumina Laboratory Services, Illumina
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). No publications were found based on this search. Allele frequency data from public databases allowed determination this variant is unlikely to cause disease. Therefore, this variant is classified as likely benign. -

BRCA2-related cancer predisposition Benign:1
Sep 27, 2024
All of Us Research Program, National Institutes of Health
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.091
BayesDel_addAF
Benign
-0.31
T
BayesDel_noAF
Benign
-0.23
CADD
Benign
19
DANN
Uncertain
0.99
Eigen
Uncertain
0.31
Eigen_PC
Uncertain
0.31
FATHMM_MKL
Benign
0.72
D
M_CAP
Benign
0.064
D
MetaRNN
Benign
0.045
T;T
MetaSVM
Benign
-0.59
T
PrimateAI
Benign
0.33
T
PROVEAN
Benign
-1.6
N;N
REVEL
Benign
0.22
Sift
Benign
0.16
T;T
Sift4G
Benign
0.28
T;T
Vest4
0.50
MVP
0.86
MPC
0.16
ClinPred
0.052
T
GERP RS
5.3
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
gMVP
0.42

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs11571747; hg19: chr13-32945172; COSMIC: COSV104701319; API