Total submissions: 1
Submitter | RCV | SCV | Clinical significance | Condition | Last evaluated | Review status | Method | Comment |
---|---|---|---|---|---|---|---|---|
Labcorp Genetics |
RCV001922281 | SCV002156880 | uncertain significance | Andersen Tawil syndrome; Short QT syndrome type 3 | 2021-09-23 | 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: "Deleterious"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0"). This variant has not been reported in the literature in individuals affected with KCNJ2-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces leucine with histidine at codon 368 of the KCNJ2 protein (p.Leu368His). The leucine residue is highly conserved and there is a moderate physicochemical difference between leucine and histidine. |