rs80358950

Variant summary

Our verdict is Benign. Variant got -8 ACMG points: 0P and 8B. BP6_Very_Strong

The NM_000059.4(BRCA2):​c.7232A>C​(p.Lys2411Thr) variant causes a missense change. The variant allele was found at a frequency of 0.0000279 in 1,613,874 control chromosomes in the GnomAD database, including 1 homozygotes. Variant has been reported in ClinVar as Benign (★★★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000029 ( 1 hom. )

Consequence

BRCA2
NM_000059.4 missense

Scores

4
10
2

Clinical Significance

Benign reviewed by expert panel U:1B:18

Conservation

PhyloP100: 6.34
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 -8 ACMG points.

BP6
Variant 13-32355085-A-C is Benign according to our data. Variant chr13-32355085-A-C is described in ClinVar as [Benign]. Clinvar id is 52294.Status of the report is reviewed_by_expert_panel, 3 stars. Variant chr13-32355085-A-C is described in Lovd as [Likely_benign]. Variant chr13-32355085-A-C is described in Lovd as [Benign].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
BRCA2NM_000059.4 linkc.7232A>C p.Lys2411Thr missense_variant Exon 14 of 27 ENST00000380152.8 NP_000050.3 P51587

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
BRCA2ENST00000380152.8 linkc.7232A>C p.Lys2411Thr missense_variant Exon 14 of 27 5 NM_000059.4 ENSP00000369497.3 P51587
BRCA2ENST00000530893.7 linkc.6863A>C p.Lys2288Thr missense_variant Exon 14 of 27 1 ENSP00000499438.2 A0A590UJI7
BRCA2ENST00000614259.2 linkn.7232A>C non_coding_transcript_exon_variant Exon 13 of 26 2 ENSP00000506251.1 A0A7P0TAP7

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152230
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.0000597
AC:
15
AN:
251296
Hom.:
0
AF XY:
0.0000663
AC XY:
9
AN XY:
135808
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000440
Gnomad OTH exome
AF:
0.00163
GnomAD4 exome
AF:
0.0000294
AC:
43
AN:
1461644
Hom.:
1
Cov.:
31
AF XY:
0.0000330
AC XY:
24
AN XY:
727146
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000232
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000809
Gnomad4 OTH exome
AF:
0.000166
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152230
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74380
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.000478
Alfa
AF:
0.000315
Hom.:
0
Bravo
AF:
0.0000264
ExAC
AF:
0.0000494
AC:
6
EpiCase
AF:
0.000109
EpiControl
AF:
0.0000593

ClinVar

Significance: Benign
Submissions summary: Uncertain:1Benign:18
Revision: reviewed by expert panel
LINK: link

Submissions by phenotype

Breast-ovarian cancer, familial, susceptibility to, 2 Uncertain:1Benign:5
Jun 18, 2019
Evidence-based Network for the Interpretation of Germline Mutant Alleles (ENIGMA)
Significance: Benign
Review Status: reviewed by expert panel
Collection Method: curation

IARC class based on posterior probability from multifactorial likelihood analysis, thresholds for class as per Plon et al. 2008 (PMID: 18951446). Class 1 based on posterior probability = 0.00026 -

Feb 20, 2004
Breast Cancer Information Core (BIC) (BRCA2)
Significance: Uncertain significance
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

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

- -

Jan 11, 2024
All of Us Research Program, National Institutes of Health
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Jul 28, 2017
Genome Diagnostics Laboratory, University Medical Center Utrecht
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Aug 13, 2014
Counsyl
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: literature only

- -

not specified Benign:5
Mar 04, 2025
Center for Genomic Medicine, Rigshospitalet, Copenhagen University Hospital
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

-
Laboratory of Diagnostic Genome Analysis, Leiden University Medical Center (LUMC)
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

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

- -

Jul 18, 2022
Women's Health and Genetics/Laboratory Corporation of America, LabCorp
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

Variant summary: BRCA2 c.7232A>C (p.Lys2411Thr) results in a non-conservative amino acid change in the encoded protein sequence. Five of five in-silico tools predict a damaging effect of the variant on protein function. The variant allele was found at a frequency of 6e-05 in 251296 control chromosomes. This frequency is not significantly higher than estimated for a pathogenic variant in BRCA2 causing Hereditary Breast And Ovarian Cancer Syndrome (6e-05 vs 0.00075), allowing no conclusion about variant significance. c.7232A>C has been reported in the literature in individuals undergoing testing for breast cancer (example, Borg_2010, Capanu_2011, Laitman_2012, van der Hout_2006). These report(s) do not provide unequivocal conclusions about association of the variant with Hereditary Breast And Ovarian Cancer Syndrome. Multifactorial probability studies have reported a neutral impact (example, Easton_2007, Lindor_2012). At-least two co-occurrences with another pathogenic variant(s) have been reported in the UMD and BIC databases (BRCA1 c.5145del, p.Tyr1716fs), providing supporting evidence for a benign role. Multiple publications report experimental evidence evaluating an impact on protein function (example, Guidugli_2012, Ikegami_2020). These results showed no damaging effect of this variant on homology directed repair (HDR) activity. Multiple clinical diagnostic laboratories and an expett panel (ENIGMA) have submitted clinical-significance assessments for this variant to ClinVar after 2014 without evidence for independent evaluation. All submitters classified the variant as benign/likely benign. Based on the evidence outlined above, the variant was classified as benign. -

Jun 03, 2022
Quest Diagnostics Nichols Institute San Juan Capistrano
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

not provided Benign:3
Jul 01, 2024
CeGaT Center for Human Genetics Tuebingen
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

BRCA2: BS1 -

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

The BRCA2 p.Lys2411Thr variant was identified in 2 of 6116 proband chromosomes (frequency: 0.000327) from individuals or families with hereditary breast and ovarian cancer (Borg_2010, Capanu_2011, Laitman_2011) and in 1 of 2796 control chromosomes (freq. 0.00036). The variant was also identified in the following databases: dbSNP (ID: rs80358950) as “With other allele”, ClinVar (as benign by Ambry Genetics and VKGL Data-share Consensus, as likely benign by Counsyl, GeneDx, Quest Diagnostics, Color Genomics, Integrated Genetics, and Invitae, and as uncertain significance by COGR), Clinvitae (4x), LOVD 3.0 (6x), UMD-LSDB (4x as uncertain significance), and ARUP Laboratories (as not pathogenic). The variant was not identified in Cosmic, MutDB, BIC Database, or Zhejiang Colon Cancer Database. The variant was also identified by our laboratory in 1 individual with breast cancer. The variant was identified in control databases in 13 of 246082 chromosomes at a frequency of 0.000053 (Genome Aggregation Database Feb 27, 2017). It was observed in the following populations: “Other” in 9 of 5480 chromosomes (freq: 0.001642), and European (Non-Finnish) in 4 of 111574 chromosomes (freq: 0.000036); it was not observed in the African, Latino, Ashkenazi Jewish, East Asian, European (Finnish), and South Asian populations. One functional study demonstrated homology-directed repair activity of the variant at a level similar to nonpathogenic variants (Guidugli_2014), and four studies using a multifactorial likelihood-ratio model predict the p.Lys2411Thr variant to be neutral (Easton_2007, Guidugli_2013, Lindor_2012, Pruss_2014_25085752). The p.Lys2411 residue is not conserved in mammals and computational analyses (PolyPhen-2, SIFT, AlignGVGD, BLOSUM, MutationTaster) provide inconsistent predictions regarding the impact to the protein; this information is not very predictive of pathogenicity. The variant occurs outside of the splicing consensus sequence and in silico or computational prediction software programs (SpliceSiteFinder, MaxEntScan, NNSPLICE, GeneSplicer, HumanSpliceFinder) do not predict a difference in splicing. In summary, based on the above information the clinical significance of this variant cannot be determined with certainty at this time although we would lean towards a more benign role for this variant. This variant is classified as likely benign. -

Aug 17, 2020
GeneDx
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This variant is associated with the following publications: (PMID: 21990134, 26566278, 21741379, 17924331, 20104584, 20960228, 26689913, 16683254, 24323938, 25085752, 25348012, 23108138, 29036293, 32444794) -

Hereditary cancer-predisposing syndrome Benign:3
Feb 10, 2017
Color Diagnostics, LLC DBA Color Health
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Feb 02, 2022
Sema4, Sema4
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: curation

- -

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. -

BRCA2-related disorder Benign:1
Mar 18, 2019
PreventionGenetics, part of Exact Sciences
Significance: Likely benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Hereditary breast ovarian cancer syndrome Benign:1
Jan 17, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.40
BayesDel_addAF
Uncertain
0.14
D
BayesDel_noAF
Uncertain
0.070
CADD
Benign
23
DANN
Uncertain
1.0
Eigen
Pathogenic
0.77
Eigen_PC
Pathogenic
0.74
FATHMM_MKL
Pathogenic
0.99
D
M_CAP
Uncertain
0.23
D
MetaRNN
Uncertain
0.45
T;T
MetaSVM
Uncertain
0.53
D
PrimateAI
Uncertain
0.51
T
PROVEAN
Benign
-1.8
N;N
REVEL
Uncertain
0.53
Sift
Pathogenic
0.0
D;D
Sift4G
Uncertain
0.0050
D;D
Vest4
0.45
MutPred
0.32
Loss of methylation at K2411 (P = 8e-04);Loss of methylation at K2411 (P = 8e-04);
MVP
0.97
MPC
0.17
ClinPred
0.33
T
GERP RS
5.5
gMVP
0.56

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: rs80358950; hg19: chr13-32929222; API