ClinVar Miner

Submissions for variant NM_018979.4(WNK1):c.568G>A (p.Ala190Thr)

gnomAD frequency: 0.00003  dbSNP: rs1229285578
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000812098 SCV000952402 uncertain significance Neuropathy, hereditary sensory and autonomic, type 2A; Pseudohypoaldosteronism type 2C 2018-12-17 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 with WNK1-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces alanine with threonine at codon 190 of the WNK1 protein (p.Ala190Thr). The alanine residue is highly conserved and there is a small physicochemical difference between alanine and threonine.
Ambry Genetics RCV002345847 SCV002647850 uncertain significance Inborn genetic diseases 2021-10-29 criteria provided, single submitter clinical testing The p.A190T variant (also known as c.568G>A), located in coding exon 1 of the WNK1 gene, results from a G to A substitution at nucleotide position 568. The alanine at codon 190 is replaced by threonine, an amino acid with similar properties. This amino acid position is well conserved in available vertebrate species; however, threonine is the reference amino acid in other 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.
Fulgent Genetics, Fulgent Genetics RCV000812098 SCV002788251 uncertain significance Neuropathy, hereditary sensory and autonomic, type 2A; Pseudohypoaldosteronism type 2C 2022-05-26 criteria provided, single submitter clinical testing

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