2-214780860-G-C

Variant summary

Our verdict is Benign. The variant received -11 ACMG points: 2P and 13B. PM2BP4_StrongBP6_Very_StrongBP7

The NM_000465.4(BARD1):​c.1014C>G​(p.Thr338Thr) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000031 in 1,613,986 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

BARD1
NM_000465.4 synonymous

Scores

2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:5

Conservation

PhyloP100: 1.42

Publications

0 publications found
Variant links:
Genes affected
BARD1 (HGNC:952): (BRCA1 associated RING domain 1) This gene encodes a protein which interacts with the N-terminal region of BRCA1. In addition to its ability to bind BRCA1 in vivo and in vitro, it shares homology with the 2 most conserved regions of BRCA1: the N-terminal RING motif and the C-terminal BRCT domain. The RING motif is a cysteine-rich sequence found in a variety of proteins that regulate cell growth, including the products of tumor suppressor genes and dominant protooncogenes. This protein also contains 3 tandem ankyrin repeats. The BARD1/BRCA1 interaction is disrupted by tumorigenic amino acid substitutions in BRCA1, implying that the formation of a stable complex between these proteins may be an essential aspect of BRCA1 tumor suppression. This protein may be the target of oncogenic mutations in breast or ovarian cancer. Multiple alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Sep 2013]
BARD1 Gene-Disease associations (from GenCC):
  • breast cancer
    Inheritance: AD Classification: DEFINITIVE Submitted by: G2P
  • hereditary breast carcinoma
    Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), ClinGen
  • familial ovarian cancer
    Inheritance: AD Classification: LIMITED Submitted by: ClinGen
  • hereditary nonpolyposis colon cancer
    Inheritance: AD Classification: LIMITED Submitted by: ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -11 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.62).
BP6
Variant 2-214780860-G-C is Benign according to our data. Variant chr2-214780860-G-C is described in CliVar as Benign/Likely_benign. Clinvar id is 220253.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr2-214780860-G-C is described in CliVar as Benign/Likely_benign. Clinvar id is 220253.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr2-214780860-G-C is described in CliVar as Benign/Likely_benign. Clinvar id is 220253.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr2-214780860-G-C is described in CliVar as Benign/Likely_benign. Clinvar id is 220253.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr2-214780860-G-C is described in CliVar as Benign/Likely_benign. Clinvar id is 220253.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr2-214780860-G-C is described in CliVar as Benign/Likely_benign. Clinvar id is 220253.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr2-214780860-G-C is described in CliVar as Benign/Likely_benign. Clinvar id is 220253.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr2-214780860-G-C is described in CliVar as Benign/Likely_benign. Clinvar id is 220253.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr2-214780860-G-C is described in CliVar as Benign/Likely_benign. Clinvar id is 220253.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr2-214780860-G-C is described in CliVar as Benign/Likely_benign. Clinvar id is 220253.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr2-214780860-G-C is described in CliVar as Benign/Likely_benign. Clinvar id is 220253.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr2-214780860-G-C is described in CliVar as Benign/Likely_benign. Clinvar id is 220253.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr2-214780860-G-C is described in CliVar as Benign/Likely_benign. Clinvar id is 220253.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr2-214780860-G-C is described in CliVar as Benign/Likely_benign. Clinvar id is 220253.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr2-214780860-G-C is described in CliVar as Benign/Likely_benign. Clinvar id is 220253.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr2-214780860-G-C is described in CliVar as Benign/Likely_benign. Clinvar id is 220253.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr2-214780860-G-C is described in CliVar as Benign/Likely_benign. Clinvar id is 220253.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=1.42 with no splicing effect.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
BARD1NM_000465.4 linkc.1014C>G p.Thr338Thr synonymous_variant Exon 4 of 11 ENST00000260947.9 NP_000456.2 Q99728-1A0AVN2

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
BARD1ENST00000260947.9 linkc.1014C>G p.Thr338Thr synonymous_variant Exon 4 of 11 1 NM_000465.4 ENSP00000260947.4 Q99728-1

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152190
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000483
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.00000398
AC:
1
AN:
251170
AF XY:
0.00
show subpopulations
Gnomad AFR exome
AF:
0.0000617
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000205
AC:
3
AN:
1461796
Hom.:
0
Cov.:
34
AF XY:
0.00000275
AC XY:
2
AN XY:
727190
show subpopulations
African (AFR)
AF:
0.0000597
AC:
2
AN:
33480
American (AMR)
AF:
0.00
AC:
0
AN:
44716
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26134
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39694
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86256
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53386
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
8.99e-7
AC:
1
AN:
1111968
Other (OTH)
AF:
0.00
AC:
0
AN:
60394
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.508
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152190
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74356
show subpopulations
⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.
African (AFR)
AF:
0.0000483
AC:
2
AN:
41446
American (AMR)
AF:
0.00
AC:
0
AN:
15278
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5190
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4836
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10616
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68032
Other (OTH)
AF:
0.00
AC:
0
AN:
2094
⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.350
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
Alfa
AF:
0.0000712
Hom.:
0
Bravo
AF:
0.0000227

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:5
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Familial cancer of breast Benign:2
Jan 23, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Jul 23, 2024
Myriad Genetics, Inc.
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant is considered benign. This variant is a silent/synonymous amino acid change and it is not expected to impact splicing. -

Hereditary cancer-predisposing syndrome Benign:2
Jan 22, 2016
Ambry Genetics
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This alteration is classified as likely 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. -

Dec 21, 2017
Color Diagnostics, LLC DBA Color Health
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

not specified Benign:1
Oct 28, 2015
GeneDx
Significance:Likely 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. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.62
CADD
Benign
6.4
DANN
Benign
0.26
PhyloP100
1.4
Mutation Taster
=100/0
polymorphism

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

Other links and lift over

dbSNP: rs864622443; hg19: chr2-215645584; API