5-132591917-A-G
Variant summary
Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2
The NM_005732.4(RAD50):c.1676A>G(p.His559Arg) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000206 in 1,457,030 control chromosomes in the GnomAD database, with no homozygous occurrence. 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. H559Q) 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: Uncertain_significance. The variant received 2 ACMG points.
Transcripts
RefSeq
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
RAD50 | ENST00000378823.8 | c.1676A>G | p.His559Arg | missense_variant | Exon 11 of 25 | 1 | NM_005732.4 | ENSP00000368100.4 | ||
ENSG00000283782 | ENST00000638452.2 | c.1379A>G | p.His460Arg | missense_variant | Exon 13 of 27 | 5 | ENSP00000492349.2 |
Frequencies
GnomAD3 genomes Cov.: 32
GnomAD4 exome AF: 0.00000206 AC: 3AN: 1457030Hom.: 0 Cov.: 31 AF XY: 0.00000138 AC XY: 1AN XY: 725200 show subpopulations
Age Distribution
GnomAD4 genome Cov.: 32
ClinVar
Submissions by phenotype
Hereditary cancer-predisposing syndrome Uncertain:2
The p.H559R variant (also known as c.1676A>G), located in coding exon 11 of the RAD50 gene, results from an A to G substitution at nucleotide position 1676. The histidine at codon 559 is replaced by arginine, an amino acid with highly similar properties. This amino acid position is highly conserved in available vertebrate species. In addition, the in silico prediction for this alteration is inconclusive. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. -
This sequence change replaces histidine, which is basic and polar, with arginine, which is basic and polar, at codon 559 of the RAD50 protein (p.His559Arg). This variant is not present in population databases (gnomAD no frequency). 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: 408346). 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 with a negative predictive value of 80%. 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. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at