rs867328327
Variant summary
Our verdict is Uncertain significance. Variant got 5 ACMG points: 5P and 0B. PVS1_StrongPP5
The NM_005732.4(RAD50):c.94dupA(p.Thr32AsnfsTer16) variant causes a frameshift change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000062 in 1,614,044 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).
Frequency
Consequence
NM_005732.4 frameshift
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Uncertain_significance. Variant got 5 ACMG points.
Transcripts
RefSeq
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
RAD50 | ENST00000378823.8 | c.94dupA | p.Thr32AsnfsTer16 | frameshift_variant | Exon 1 of 25 | 1 | NM_005732.4 | ENSP00000368100.4 | ||
ENSG00000283782 | ENST00000640655.2 | c.-168-1866dupA | intron_variant | Intron 2 of 25 | 5 | ENSP00000491596.2 |
Frequencies
GnomAD3 genomes AF: 0.0000131 AC: 2AN: 152218Hom.: 0 Cov.: 33
GnomAD3 exomes AF: 0.0000119 AC: 3AN: 251276Hom.: 0 AF XY: 0.0000147 AC XY: 2AN XY: 135828
GnomAD4 exome AF: 0.00000547 AC: 8AN: 1461826Hom.: 0 Cov.: 34 AF XY: 0.00000688 AC XY: 5AN XY: 727216
GnomAD4 genome AF: 0.0000131 AC: 2AN: 152218Hom.: 0 Cov.: 33 AF XY: 0.0000134 AC XY: 1AN XY: 74378
ClinVar
Submissions by phenotype
Hereditary cancer-predisposing syndrome Pathogenic:2
This sequence change creates a premature translational stop signal (p.Thr32Asnfs*16) in the RAD50 gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in RAD50 are known to be pathogenic (PMID: 19409520). This variant is present in population databases (rs587781625, gnomAD 0.004%). This variant has not been reported in the literature in individuals affected with RAD50-related conditions. ClinVar contains an entry for this variant (Variation ID: 141279). For these reasons, this variant has been classified as Pathogenic. -
The c.94dupA pathogenic mutation, located in coding exon 1 of the RAD50 gene, results from a duplication of one nucleotide at position 94, causing a translational frameshift with a predicted alternate stop codon. Since frameshifts are typically deleterious in nature, this alteration is interpreted as a disease-causing mutation (ACMG Recommendations for Standards for Interpretation and Reporting of Sequence Variations. Revision 2007. Genet Med. 2008;10:294). -
Nijmegen breakage syndrome-like disorder Pathogenic:2
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not provided Pathogenic:1Uncertain:1
Frameshift variant predicted to result in protein truncation or nonsense mediated decay in a gene for which loss-of-function is not a known mechanism of disease; This variant is associated with the following publications: (PMID: 28152038, 31589614) -
The RAD50 c.94dup (p.Thr32Asnfs*16) variant alters the translational reading frame of the RAD50 mRNA and is predicted to cause the premature termination of RAD50 protein synthesis. This variant has not been reported in individuals with RAD50-related conditions in the published literature. The frequency of this variant in the general population, 0.000023 (3/128982 chromosomes (Genome Aggregation Database, http://gnomad.broadinstitute.org)), is consistent with pathogenicity. Based on the available information, this variant is classified as likely pathogenic. -
RAD50-related disorder Pathogenic:1
The RAD50 c.94dupA variant is predicted to result in a frameshift and premature protein termination (p.Thr32Asnfs*16). This variant has been reported in large population studies and carrier testing screens, where the phenotype of individuals is not known (LaDuca et al. 2017. PubMed ID: 28152038; Capalbo et al. 2019. PubMed ID: 31589614). This variant is reported in 0.0040% of alleles in individuals of African descent in gnomAD (http://gnomad.broadinstitute.org/variant/5-131893109-T-TA). Frameshift variants in RAD50 are expected to be pathogenic and this variant has been classified as pathogenic in ClinVar (https://www.ncbi.nlm.nih.gov/clinvar/variation/141279/). This variant is interpreted as likely pathogenic. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at