chr13-32394717-C-T
Variant summary
The NM_000059.4(BRCA2):c.9285C>T (p.Asp3095Asp) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The gene BRCA2 is a tumor suppressor gene (CancerMine: 139 TSG, 7 oncogene, 19 driver citations). The gene BRCA2 is a cancer driver gene (CancerMine: 139 TSG, 7 oncogene, 19 driver citations). The variant allele was found at a cumulative frequency of 0.0000167 (AC=27) in the gnomAD database across 1,613,354 control chromosomes, including 1 homozygote. The grpmax filtering allele frequency (95% CI) is 0.000118. In-silico predictor (BayesDel (noAF)) classifies this variant as likely benign. Splicing prediction tools (SpliceAI) predict no significant impact on normal splicing. Variant has been reported in ClinVar as Benign/Likely Benign (★★★).
Frequency
Consequence
NM_000059.4 synonymous
Scores
Clinical Significance
Conservation
Publications
- BRCA2-related cancer predispositionInheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
- breast-ovarian cancer, familial, susceptibility to, 2Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), Genomics England PanelApp, Ambry Genetics
- Fanconi anemia complementation group D1Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: G2P, Labcorp Genetics (formerly Invitae), ClinGen, Ambry Genetics
- pancreatic cancer, susceptibility to, 2Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp
- sarcomaInheritance: AD Classification: MODERATE Submitted by: Genomics England PanelApp
- hereditary breast ovarian cancer syndromeInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- Fanconi anemiaInheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
- medulloblastomaInheritance: AD Classification: LIMITED Submitted by: Ambry Genetics
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Classification according to ACGS-UK Somatic Oncogenicity v2025
Our verdict: Likely_benign. The variant received -4 points.
| Apply | Criterion Code & Title / Strength | Rationale / Clinical Context | |
|---|---|---|---|
| B4Synonymous/intronic, no splicing impact | Synonymous/intronic variant with confirmed no splicing impact (B4 strong); Synonymous variant — splicing algorithms confirm no impact on splicing (B4 strong [-4]) |
Variant Effect in Transcripts
Automated classification analysis was done for transcript: NM_000059.4. You can select a different transcript below to see updated classification assignments.
RefSeq Transcripts
| Sel. | Gene / Transcript | Tags | HGVSc / HGVSp | Effect | Exon rank | Protein / UniProt |
|---|---|---|---|---|---|---|
BRCA2 | MANE Select | c.9285C>T p.Asp3095Asp | synonymous | Exon 25 of 27 | Prot: NP_000050.3 UniProt: | |
BRCA2 | c.9285C>T p.Asp3095Asp | synonymous | Exon 25 of 27 | Prot: NP_001419006.1 UniProt: | ||
BRCA2 | c.9234C>T p.Asp3078Asp | synonymous | Exon 25 of 27 | Prot: NP_001393649.1 UniProt: |
Ensembl Transcripts
| Sel. | Gene / Transcript | Tags | HGVSc / HGVSp | Effect | Exon rank | Protein / UniProt |
|---|---|---|---|---|---|---|
BRCA2 | TSL:5MANE Select | c.9285C>T p.Asp3095Asp | synonymous | Exon 25 of 27 | Prot: ENSP00000369497.3 UniProt: | |
BRCA2 | TSL:1 | c.9285C>T p.Asp3095Asp | synonymous | Exon 25 of 27 | Prot: ENSP00000439902.1 UniProt: | |
BRCA2 | TSL:1 | c.8916C>T p.Asp2972Asp | synonymous | Exon 25 of 27 | Prot: ENSP00000499438.2 UniProt: |
Frequencies
Allele frequencies (AF), counts (AC/AN), homozygotes and coverage
| Source / population | AF | AC | Hom | AN | Coverage |
|---|---|---|---|---|---|
Global population databases 6 sources | |||||
GnomAD3 genomes | AF: 0.0000197 | AC:3 | Hom:0 | AN:151994 | Cov:33 |
GnomAD2 exomes | AF: 0.0000758 | AC:19 | AN:250672 | ||
GnomAD4 exome | AF: 0.0000164 | AC:24 | Hom:1 | AN:1461360 | Cov:31 |
GnomAD4 genome | AF: 0.0000197 | AC:3 | Hom:0 | AN:151994 | Cov:33 |
TOPMed (Bravo) | AF: 0.0000189 | AC:5 | Hom:0 | AN:264690 | |
ALFA (dbGaP/dbSNP Allele Frequency Aggregator) | AF: 0.00 | AC:0 | Hom:0 | AN:16840 | |
Local & regional cohorts 4 sources | |||||
ChinaMAP Phase 1 | AF: 0.00113 | ||||
Korea4K (4,157 Koreans) | AF: 0.000415 | AC:3 | AN:7234 | ||
ToMMo 61KJPN (+60KJPN MNV) | AF: 0.0000160 | AC:2 | Hom:0 | AN:122182 | |
WBBC (Westlake BioBank for Chinese) pilot | AF: 0.000558 | AC:5 | Hom:1 | AN:8960 | |
Case/control cohorts
| Cohort | Cases | Controls | ||||
|---|---|---|---|---|---|---|
| AF | AC | AN | AF | AC | AN | |
BipEx | 0.0000352 | 1 | 28420 | 0.0000347 | 1 | 28844 |
Epi25 | 0.0000477 | 2 | 41958 | 0.0000150 | 1 | 66888 |
SCHEMA | 0.000184 | 19 | 103346 | 0.000135 | 25 | 184610 |
ClinVar
Computational Scores
| Algorithm | Calibrated pred. | Score | Prediction |
|---|---|---|---|
AlphaGenome AVI | Benign | 0.78 | |
BayesDel_noAF | Benign | -0.49 | |
CADD | Benign | 6.6 | |
DANN | Benign | 0.27 | |
GPN-Star LLR | N/A | -0.62 | |
GPN-Star score | N/A | 0.49 | |
PhyloP100 | Benign | 1.5 |
Splicing Scores
| Algorithm | Calibrated pred. | Score | Prediction |
|---|---|---|---|
Pangolin (max) | Benign | 0.0 | |
SpliceAI score (max) | Benign | 0.0 | Details are displayed if max score is > 0.2 |
Find out detailed SpliceAI scores and Pangolin per-transcript scores at
MaxEntScan Visualizer can be used to analyze the impact of this mutation on the neighboring sequence.
MaveDB functional evidence
- Gene
- BRCA2
- Score
- 0.388
- Gene
- BRCA2
- Score
- 0.180