NM_000059.4:c.5785A>G

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_000059.4(BRCA2):​c.5785A>G​(p.Ile1929Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000378 in 1,613,236 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. 15/19 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★★).

Frequency

Genomes: 𝑓 0.00041 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00037 ( 2 hom. )

Consequence

BRCA2
NM_000059.4 missense

Scores

16

Clinical Significance

Benign reviewed by expert panel B:31O:1

Conservation

PhyloP100: -0.370
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 -20 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.005847633).
BP6
Variant 13-32340140-A-G is Benign according to our data. Variant chr13-32340140-A-G is described in ClinVar as [Benign]. Clinvar id is 37997.Status of the report is reviewed_by_expert_panel, 3 stars. Variant chr13-32340140-A-G is described in Lovd as [Benign]. Variant chr13-32340140-A-G is described in Lovd as [Likely_benign].
BS1
Variant frequency is greater than expected in population eas. gnomad4 allele frequency = 0.000414 (63/152300) while in subpopulation EAS AF= 0.00906 (47/5186). AF 95% confidence interval is 0.007. There are 0 homozygotes in gnomad4. There are 40 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High Homozygotes in GnomAdExome4 at 2 AD,AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
BRCA2NM_000059.4 linkc.5785A>G p.Ile1929Val missense_variant Exon 11 of 27 ENST00000380152.8 NP_000050.3 P51587

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
BRCA2ENST00000380152.8 linkc.5785A>G p.Ile1929Val missense_variant Exon 11 of 27 5 NM_000059.4 ENSP00000369497.3 P51587
BRCA2ENST00000530893.7 linkc.5416A>G p.Ile1806Val missense_variant Exon 11 of 27 1 ENSP00000499438.2 A0A590UJI7
BRCA2ENST00000614259.2 linkn.5785A>G non_coding_transcript_exon_variant Exon 10 of 26 2 ENSP00000506251.1 A0A7P0TAP7

Frequencies

GnomAD3 genomes
AF:
0.000414
AC:
63
AN:
152182
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:
0.00904
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.000847
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000735
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.000890
AC:
223
AN:
250572
Hom.:
1
AF XY:
0.000915
AC XY:
124
AN XY:
135526
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000290
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00963
Gnomad SAS exome
AF:
0.000361
Gnomad FIN exome
AF:
0.000740
Gnomad NFE exome
AF:
0.000115
Gnomad OTH exome
AF:
0.000819
GnomAD4 exome
AF:
0.000374
AC:
547
AN:
1460936
Hom.:
2
Cov.:
48
AF XY:
0.000388
AC XY:
282
AN XY:
726700
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000448
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00940
Gnomad4 SAS exome
AF:
0.000279
Gnomad4 FIN exome
AF:
0.00120
Gnomad4 NFE exome
AF:
0.0000243
Gnomad4 OTH exome
AF:
0.000928
GnomAD4 genome
AF:
0.000414
AC:
63
AN:
152300
Hom.:
0
Cov.:
32
AF XY:
0.000537
AC XY:
40
AN XY:
74478
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00906
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.000847
Gnomad4 NFE
AF:
0.0000735
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.000441
Hom.:
1
Bravo
AF:
0.000450
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000259
AC:
1
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.000955
AC:
116
Asia WGS
AF:
0.00375
AC:
13
AN:
3478
EpiCase
AF:
0.000164
EpiControl
AF:
0.0000593

ClinVar

Significance: Benign
Submissions summary: Benign:31Other:1
Revision: reviewed by expert panel
LINK: link

Submissions by phenotype

Breast-ovarian cancer, familial, susceptibility to, 2 Benign:10Other:1
May 01, 2012
Sharing Clinical Reports Project (SCRP)
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Jul 07, 2023
KCCC/NGS Laboratory, Kuwait Cancer Control Center
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

May 16, 2014
Counsyl
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: literature only

- -

Apr 21, 2016
Michigan Medical Genetics Laboratories, University of Michigan
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

- -

Jul 24, 2014
Pathway Genomics
Significance: Likely benign
Review Status: no assertion criteria provided
Collection Method: literature only

- -

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

- -

Aug 10, 2015
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 = 0.00000521 -

-
Breast Cancer Information Core (BIC) (BRCA2)
Significance: not provided
Review Status: no classification 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

- -

Mar 06, 2018
Illumina Laboratory Services, Illumina
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as likely benign is not then subjected to further curation. The score for this variant resulted in a classification of likely benign for this disease. -

not specified Benign:9
Jul 07, 2016
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. -

Mar 28, 2016
Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine
Significance: Benign
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: ExAC: 1% (85/8650) East Asian chromosomes -

-
Clinical Genetics Laboratory, Department of Pathology, Netherlands Cancer Institute
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Apr 18, 2017
Cancer Genetics and Genomics Laboratory, British Columbia Cancer Agency
Significance: Benign
Review Status: criteria provided, single submitter
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 27, 2016
Genetic Services Laboratory, University of Chicago
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Jul 25, 2014
Eurofins Ntd Llc (ga)
Significance: Likely benign
Review Status: criteria provided, single submitter
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

- -

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

The p.Ile1929Val variant has been reported in the literature in 21/19278 proband chromosomes from individuals with HBOC, sporadic breast cancer, as well as benign breast disease. It was also identified in 15/1406 control chromosomes (Borg_2010, Capanu_2011, Caux_Moncoutier_2010, Haffty_2009, Han_2006, Kim_2006, Lindor_2012, Seo_2004, Suter_2004, Thirthagiri_2008). This variant has been previously identified in our lab (n=3; benign classification) and in the UMD (n=1), LOVD (n=2), Exome Server as well as BOCs (ACMG category 5) databases. It is listed in the dbSNP database as coming from a "clinical source" (ID#: rs79538375) with a MAF score of 0.001 (1000 Genomes), increasing the likelihood that this is a low frequency benign variant. This residue is not conserved in mammals and computational analyses (PolyPhen, SIFT, AlignGVGD) do not suggest a high likelihood of impact to the protein. However, this information is not predictive enough to rule out pathogenicity. In summary, based on the above information, this variant is classified as benign. -

not provided Benign:3
Nov 26, 2024
ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories
Significance: 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

- -

May 01, 2024
CeGaT Center for Human Genetics Tuebingen
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

BRCA2: BP4, BS1, BS2 -

Hereditary cancer-predisposing syndrome Benign:3
Apr 10, 2015
Color Diagnostics, LLC DBA Color Health
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

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. -

Nov 12, 2020
Sema4, Sema4
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: curation

- -

Familial cancer of breast Benign:2
Feb 01, 2025
KCCC/NGS Laboratory, Kuwait Cancer Control Center
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

-
Center for Precision Medicine, Meizhou People's Hospital
Significance: Likely benign
Review Status: no assertion criteria provided
Collection Method: literature only

- -

Medulloblastoma;C0346153:Familial cancer of breast;C0376358:Malignant tumor of prostate;C1838457:Fanconi anemia complementation group D1;C2675520:Breast-ovarian cancer, familial, susceptibility to, 2;C2751641:Glioma susceptibility 3;C3150546:Pancreatic cancer, susceptibility to, 2;CN033288:Wilms tumor 1 Benign:1
May 21, 2022
Fulgent Genetics, Fulgent Genetics
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Breast and/or ovarian cancer Benign:1
May 05, 2023
CHEO Genetics Diagnostic Laboratory, Children's Hospital of Eastern Ontario
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Fanconi anemia complementation group D1 Benign:1
Mar 06, 2018
Illumina Laboratory Services, Illumina
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as likely benign is not then subjected to further curation. The score for this variant resulted in a classification of likely benign for this disease. -

Hereditary breast ovarian cancer syndrome Benign:1
Feb 04, 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
Benign
0.083
BayesDel_addAF
Benign
-0.42
T
BayesDel_noAF
Benign
-0.36
CADD
Benign
0.11
DANN
Benign
0.22
Eigen
Benign
-1.5
Eigen_PC
Benign
-1.6
FATHMM_MKL
Benign
0.032
N
M_CAP
Benign
0.084
D
MetaRNN
Benign
0.0058
T;T
MetaSVM
Benign
-0.99
T
PrimateAI
Benign
0.25
T
PROVEAN
Benign
-0.49
N;N
REVEL
Benign
0.17
Sift
Benign
0.31
T;T
Sift4G
Benign
0.55
T;T
Vest4
0.19
MVP
0.54
MPC
0.020
ClinPred
0.011
T
GERP RS
-5.7
gMVP
0.11

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: rs79538375; hg19: chr13-32914277; COSMIC: COSV66449691; API