NM_000059.4:c.9285C>T

Variant summary

Our verdict is Likely benign.
-4 Likely Benign
-7
-6
-1
0
+5
+6
+9
+10
B
LB
VUS
LP
P
The variant received -4 classification points (ACGS-UK Somatic Oncogenicity v2025). B4_Strong

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

Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000016 ( 1 hom. )

Consequence

BRCA2
NM_000059.4 synonymous

Scores

3

Clinical Significance

Likely benign reviewed by expert panel U:2B:13

Conservation

PhyloP100: 1.46

Publications

8 publications found
Variant links:
Genes affected
BRCA2 (HGNC:1101): (BRCA2 DNA repair associated) The product of this gene in involved in maintenance of genome stability. It is involved in double-strand break repair pathways during mitotic and meiotic homologous recombination and functions in protecting DNA replication forks. The encoded protein contains sites for interactions with PALB2 and EMSY and an N-terminal DNA binding domain. It also contains a RAD51 binding domain with multiple components. It has multiple BRC repeats, an alpha helix domain, oligonucleotide binding folds, and a tower-like domain. It has a nuclear localization signal and a phosphorylation site for cyclin-dependent kinase. The C-terminus of the protein can bind single-stranded and double-stranded DNA. The product of this gene interacts with multiple proteins, including RAD51. It is involved in recruiting RAD51 filaments to DNA double-strand break sites and also in cytoplasmic division. It also acts as a tumor suppressor. Mutations in this gene or decreased expression have been implicated in multiple tumor types, including breast, ovarian, pancreatic, prostate and other cancers. [provided by RefSeq, May 2026]
BRCA2 Gene-Disease associations (from GenCC):
  • BRCA2-related cancer predisposition
    Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
  • breast-ovarian cancer, familial, susceptibility to, 2
    Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), Genomics England PanelApp, Ambry Genetics
  • Fanconi anemia complementation group D1
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: G2P, Labcorp Genetics (formerly Invitae), ClinGen, Ambry Genetics
  • pancreatic cancer, susceptibility to, 2
    Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp
  • sarcoma
    Inheritance: AD Classification: MODERATE Submitted by: Genomics England PanelApp
  • hereditary breast ovarian cancer syndrome
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • Fanconi anemia
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • medulloblastoma
    Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

Genome browser will be placed here

new If you want to explore the variant's impact on the transcript NM_000059.4, check out the Mutation Effect Viewer. This is especially useful for frameshift variants or if you want to visualize the effect of exon loss / intron retention.

Classification according to ACGS-UK Somatic Oncogenicity v2025

Classification was made for transcript:

Our verdict: Likely_benign. The variant received -4 points.

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

BRCA2 NM_000059.4
MANE Select
HGVSc / HGVSpc.9285C>Tp.Asp3095Asp
Exon rankExon 25 of 27
synonymous
Prot: NP_000050.3UniProt: A0A7P0T9D7P51587
BRCA2 NM_001432077.1
HGVSc / HGVSpc.9285C>Tp.Asp3095Asp
Exon rankExon 25 of 27
synonymous
Prot: NP_001419006.1UniProt: A0A7P0T9D7P51587
BRCA2 NM_001406720.1
HGVSc / HGVSpc.9234C>Tp.Asp3078Asp
Exon rankExon 25 of 27
synonymous
Prot: NP_001393649.1UniProt: A0A8V8TPZ2

Ensembl Transcripts

BRCA2 ENST00000380152.8
TSL:5MANE Select
HGVSc / HGVSpc.9285C>Tp.Asp3095Asp
Exon rankExon 25 of 27
synonymous
Prot: ENSP00000369497.3UniProt: P51587
BRCA2 ENST00000544455.6
TSL:1
HGVSc / HGVSpc.9285C>Tp.Asp3095Asp
Exon rankExon 25 of 27
synonymous
Prot: ENSP00000439902.1UniProt: P51587
BRCA2 ENST00000530893.7
TSL:1
HGVSc / HGVSpc.8916C>Tp.Asp2972Asp
Exon rankExon 25 of 27
synonymous
Prot: ENSP00000499438.2UniProt: A0A590UJI7

Frequencies

Allele frequencies (AF), counts (AC/AN), homozygotes and coverage

Common (AF > 0.05 / Hom > 5)
Rare (AF ≤ 0.0001 / Hom ≤ 1)
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
Showing 10 sources

Case/control cohorts

CohortCasesControls
AFACANAFACAN
BipEx
(Bipolar disorder (including schizoaffective))
0.0000352 128420 0.0000347 128844
Epi25
(Epilepsy)
0.0000477 241958 0.0000150 166888
SCHEMA
(Schizophrenia)
0.000184 19103346 0.000135 25184610
Showing 3 cohortsAllele count / allele number. AF is computed from the counts for ASC (not provided by the source).

ClinVar

ClinVar submissions
Significance:Likely benign
Revision:reviewed by expert panel
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
-
4
Breast-ovarian cancer, familial, susceptibility to, 2 (4)
-
-
3
not specified (3)
-
-
2
Hereditary cancer-predisposing syndrome (2)
-
-
2
not provided (2)
-
-
1
BRCA2-related disorder (1)
-
1
-
Breast neoplasm (1)
-
-
1
Hereditary breast ovarian cancer syndrome (1)
-
1
-
Malignant tumor of breast (1)

Computational Scores

AlphaGenome AVI
Benign0.78
BayesDel_noAF
Benign-0.49
CADD
Benign6.6
DANN
Benign0.27
GPN-Star LLR
N/A-0.62
GPN-Star score
N/A0.49
PhyloP100
Benign1.5
Showing 7 of 7 scores

Splicing Scores

Pangolin (max)
Benign0.0
SpliceAI score (max)
Benign0.0
Details are displayed if max score is > 0.2
Showing 2 of 2 scores

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

MaxEntScan Visualizer can be used to analyze the impact of this mutation on the neighboring sequence.

MaveDB functional evidence

MaveDB is a public repository of laboratory assays that test the effect of thousands of variants at once — treat this as supporting research data and interpret it with great caution; it is not a clinical classification.

1 normal (RUO)
1 no calibration
Nucleotide level
Scores from sGE of BRCA2 exons 15–26 in humanized mouse embryonic stem cells
SGE of BRCA2 exons 15–26 in humanized mouse embryonic stem cells
Gene
BRCA2
Score
0.388
Classified as
No clinical calibration. Only research-use-only (RUO) calibrations exist for this assay — they are not reliable evidence; treat them with extreme caution.
BS3 moderate plusFunctionally normalRUO
ExCALIBR calibration: BS3 Moderate+ (-3)
+1 more calibration
BS3 moderate plusFunctionally normalRUO
ExCALIBR calibration (ClinVar 2018): BS3 Moderate+ (-3)
Nucleotide level
Scores from sGE of BRCA2 exons 15 to 26 in Hap1 cells
SGE of BRCA2 exons 15 to 26 in Hap1 cells
Gene
BRCA2
Score
0.180
No calibration data
This score is at approximately the 76th percentile of all variants tested in this assay.
This score has not been calibrated against ACMG evidence — shown for context only, not as clinical evidence.

Publications

Other links and lift over

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