Total submissions: 2
Submitter | RCV | SCV | Clinical significance | Condition | Last evaluated | Review status | Method | Comment |
---|---|---|---|---|---|---|---|---|
Invitae | RCV001220155 | SCV001392131 | uncertain significance | Autosomal recessive distal spinal muscular atrophy 1; Charcot-Marie-Tooth disease axonal type 2S | 2019-04-11 | criteria provided, single submitter | clinical testing | 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 are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0"). This variant has not been reported in the literature in individuals with IGHMBP2-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces serine with phenylalanine at codon 53 of the IGHMBP2 protein (p.Ser53Phe). The serine residue is weakly conserved and there is a large physicochemical difference between serine and phenylalanine. |
Ambry Genetics | RCV002402660 | SCV002706772 | uncertain significance | Inborn genetic diseases | 2022-02-28 | criteria provided, single submitter | clinical testing | The p.S53F variant (also known as c.158C>T), located in coding exon 2 of the IGHMBP2 gene, results from a C to T substitution at nucleotide position 158. The serine at codon 53 is replaced by phenylalanine, an amino acid with highly dissimilar properties. This amino acid position is conserved. 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. |