rs762247126
Variant summary
Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP4_StrongBP6BS2
The NM_002878.4(RAD51D):c.481-8C>T variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000181 in 1,606,102 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).
Frequency
Consequence
NM_002878.4 splice_region, intron
Scores
Clinical Significance
Conservation
Publications
- breast-ovarian cancer, familial, susceptibility to, 4Inheritance: AD Classification: STRONG, LIMITED Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), Genomics England PanelApp
- hereditary breast ovarian cancer syndromeInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- hereditary breast carcinomaInheritance: AD Classification: LIMITED Submitted by: ClinGen
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ACMG classification
Our verdict: Benign. The variant received -9 ACMG points.
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|
| RAD51D | NM_002878.4 | c.481-8C>T | splice_region_variant, intron_variant | Intron 5 of 9 | ENST00000345365.11 | NP_002869.3 |
Ensembl
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
|---|---|---|---|---|---|---|---|---|---|---|
| RAD51D | ENST00000345365.11 | c.481-8C>T | splice_region_variant, intron_variant | Intron 5 of 9 | 1 | NM_002878.4 | ENSP00000338790.6 | |||
| ENSG00000267618 | ENST00000593039.5 | c.4-8C>T | splice_region_variant, intron_variant | Intron 1 of 6 | 2 | ENSP00000466834.1 |
Frequencies
GnomAD3 genomes AF: 0.0000263 AC: 4AN: 152196Hom.: 0 Cov.: 32 show subpopulations
GnomAD2 exomes AF: 0.0000372 AC: 9AN: 241990 AF XY: 0.0000306 show subpopulations
GnomAD4 exome AF: 0.0000172 AC: 25AN: 1453906Hom.: 0 Cov.: 30 AF XY: 0.0000235 AC XY: 17AN XY: 722994 show subpopulations
Age Distribution
GnomAD4 genome AF: 0.0000263 AC: 4AN: 152196Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1AN XY: 74346 show subpopulations
Age Distribution
ClinVar
Submissions by phenotype
Breast-ovarian cancer, familial, susceptibility to, 4 Benign:4
This variant is considered likely benign. This variant is intronic and is not expected to impact mRNA splicing. -
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This submission and the accompanying classification are no longer maintained by the submitter. For more information on current observations and classification, please contact variantquestions@myriad.com. -
Hereditary cancer-predisposing syndrome Uncertain:1Benign:1
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BP4 RAD51D c.481-8C>T is an intronic variant located close to a canonical splice site. This variant is found in 10/259676 alleles at a frequency of 0.0039% in the gnomAD v2.1.1 database, non-cancer dataset. The SpliceAI algorithm predicts no significant impact on splicing (BP4). To our knowledge, neither relevant clinical data nor well-stablished functional studies have been reported for this variant. It has been reported in the ClinVar database (7x likely benign, 1x uncertain significance) but it has not been identified in LOVD database. Based on the currently available information, c.481-8C>T is classified as an uncertain significance variant according to ACMG guidelines. -
not specified Benign:1
Variant summary: RAD51D c.481-8C>T alters a nucleotide located at a position not widely known to affect splicing. Consensus agreement among computation tools predict no significant impact on normal splicing. However, these predictions have yet to be confirmed by functional studies. The variant allele was found at a frequency of 1.8e-05 in 1599178 control chromosomes in the gnomAD database (v4.1 dataset). This frequency is not significantly higher than estimated for a pathogenic variant in RAD51D causing Hereditary Breast And Ovarian Cancer Syndrome (0.00013), allowing no conclusion about variant significance. To our knowledge, no occurrence of c.481-8C>T in individuals affected with Hereditary Breast And Ovarian Cancer Syndrome and no experimental evidence demonstrating its impact on protein function have been reported. ClinVar contains an entry for this variant (Variation ID: 239398). Based on the evidence outlined above, the variant was classified as likely benign. -
not provided Benign:1
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RAD51D-related disorder Benign:1
This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at