rs786202271
Variant summary
Our verdict is Benign. The variant received -19 ACMG points: 0P and 19B. BP4_ModerateBP6_Very_StrongBP7BS1BS2
The NM_000465.4(BARD1):c.117C>T(p.Ala39Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000434 in 1,611,454 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 (★★). Synonymous variant affecting the same amino acid position (i.e. A39A) has been classified as Likely benign.
Frequency
Consequence
NM_000465.4 synonymous
Scores
Clinical Significance
Conservation
Publications
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ACMG classification
Our verdict: Benign. The variant received -19 ACMG points.
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes AF: 0.000105 AC: 16AN: 152206Hom.: 0 Cov.: 34 show subpopulations
GnomAD2 exomes AF: 0.0000459 AC: 11AN: 239884 AF XY: 0.0000303 show subpopulations
GnomAD4 exome AF: 0.0000370 AC: 54AN: 1459248Hom.: 0 Cov.: 76 AF XY: 0.0000262 AC XY: 19AN XY: 725988 show subpopulations
GnomAD4 genome AF: 0.000105 AC: 16AN: 152206Hom.: 0 Cov.: 34 AF XY: 0.0000941 AC XY: 7AN XY: 74366 show subpopulations
ClinVar
Submissions by phenotype
Hereditary cancer-predisposing syndrome Benign:4
BP4, BP7 c.117C>T located in exon 1 of the BARD1 gene, is predicted to result in no amino acid change, p.(Ala39=)(BP7). This variant is found in 7/34746 with a filter allele frequency of 0.007% at 99% confidence in the gnomAD v2.1.1 database (Latino non-cancer data set). The SpliceAI algorithm predicts no significant impact on splicing (BP4). The variant has been identified in the ClinVar (10x likely benign) and in the LOVD (1x benign) databases. Based on currently available information, the variant c.117C>T is classified as a likely benign variant according to ACMG guidelines. -
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. -
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Familial cancer of breast Benign:4
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This variant is considered benign. This variant is a silent/synonymous amino acid change and it is not expected to impact splicing. -
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not provided Benign:3
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BARD1: BP4, BP7 -
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not specified Benign:2
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Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at