Total submissions: 2
| Submitter | RCV | SCV | Clinical significance | Condition | Last evaluated | Review status | Method | Comment |
|---|---|---|---|---|---|---|---|---|
| Ambry Genetics | RCV000572346 | SCV000671826 | uncertain significance | Hereditary cancer-predisposing syndrome | 2022-12-11 | criteria provided, single submitter | clinical testing | The p.I778V variant (also known as c.2332A>G), located in coding exon 14 of the RAD50 gene, results from an A to G substitution at nucleotide position 2332. The isoleucine at codon 778 is replaced by valine, an amino acid with highly 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. |
| Invitae | RCV000572346 | SCV002262378 | uncertain significance | Hereditary cancer-predisposing syndrome | 2021-11-29 | criteria provided, single submitter | clinical testing | This variant has not been reported in the literature in individuals affected with RAD50-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces isoleucine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 778 of the RAD50 protein (p.Ile778Val). ClinVar contains an entry for this variant (Variation ID: 484686). 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. Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The valine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. |