rs756173890
Variant summary
Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate
The NM_005732.4(RAD50):c.1192A>G(p.Lys398Glu) variant causes a missense change. The variant allele was found at a frequency of 0.0000186 in 1,613,972 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. K398R) has been classified as Likely benign.
Frequency
Consequence
NM_005732.4 missense
Scores
Clinical Significance
Conservation
Publications
- Nijmegen breakage syndrome-like disorderInheritance: AR Classification: STRONG, LIMITED Submitted by: Ambry Genetics, G2P, Labcorp Genetics (formerly Invitae)
- familial ovarian cancerInheritance: AD Classification: NO_KNOWN Submitted by: ClinGen
- hereditary breast carcinomaInheritance: AD Classification: NO_KNOWN Submitted by: ClinGen
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ACMG classification
Our verdict: Likely_benign. The variant received -2 ACMG points.
Variant Effect in Transcripts
ACMG analysis was done for transcript: NM_005732.4. You can select a different transcript below to see updated ACMG assignments.
RefSeq Transcripts
| Selected | Gene | Transcript | Tags | HGVSc | HGVSp | Effect | Exon Rank | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|---|
| RAD50 | NM_005732.4 | MANE Select | c.1192A>G | p.Lys398Glu | missense | Exon 8 of 25 | NP_005723.2 |
Ensembl Transcripts
| Selected | Gene | Transcript | Tags | HGVSc | HGVSp | Effect | Exon Rank | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|---|
| RAD50 | ENST00000378823.8 | TSL:1 MANE Select | c.1192A>G | p.Lys398Glu | missense | Exon 8 of 25 | ENSP00000368100.4 | ||
| ENSG00000283782 | ENST00000638452.2 | TSL:5 | c.895A>G | p.Lys299Glu | missense | Exon 10 of 27 | ENSP00000492349.2 | ||
| RAD50 | ENST00000533482.5 | TSL:1 | n.*818A>G | non_coding_transcript_exon | Exon 8 of 25 | ENSP00000431225.1 |
Frequencies
GnomAD3 genomes AF: 0.0000328 AC: 5AN: 152216Hom.: 0 Cov.: 32 show subpopulations
GnomAD4 exome AF: 0.0000171 AC: 25AN: 1461756Hom.: 0 Cov.: 32 AF XY: 0.0000193 AC XY: 14AN XY: 727186 show subpopulations
Age Distribution
GnomAD4 genome AF: 0.0000328 AC: 5AN: 152216Hom.: 0 Cov.: 32 AF XY: 0.0000538 AC XY: 4AN XY: 74376 show subpopulations
ClinVar
Submissions by phenotype
Hereditary cancer-predisposing syndrome Uncertain:2
This sequence change replaces lysine, which is basic and polar, with glutamic acid, which is acidic and polar, at codon 398 of the RAD50 protein (p.Lys398Glu). This variant is present in population databases (rs756173890, gnomAD 0.02%). 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: 219813). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt RAD50 protein function. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.
The p.K398E variant (also known as c.1192A>G), located in coding exon 8 of the RAD50 gene, results from an A to G substitution at nucleotide position 1192. The lysine at codon 398 is replaced by glutamic acid, an amino acid with similar properties. This amino acid position is not well conserved in available vertebrate species. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.
RAD50-related disorder Uncertain:1
The RAD50 c.1192A>G variant is predicted to result in the amino acid substitution p.Lys398Glu. To our knowledge, this variant has not been reported in the literature. This variant is reported in 0.019% of alleles in individuals of European (Non-Finnish) descent in gnomAD and is interpreted as uncertain in ClinVar (https://www.ncbi.nlm.nih.gov/clinvar/variation/219813/). At this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence.
Nijmegen breakage syndrome-like disorder Uncertain:1
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at