ClinVar Miner

Submissions for variant NM_018979.4(WNK1):c.2825T>C (p.Leu942Pro)

gnomAD frequency: 0.00001  dbSNP: rs775394703
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000803470 SCV000943343 uncertain significance Neuropathy, hereditary sensory and autonomic, type 2A; Pseudohypoaldosteronism type 2C 2018-09-13 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 output the following: SIFT: "Tolerated"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0". The proline amino acid residue is found in multiple mammalian species, suggesting that this missense change does not adversely affect protein function. These predictions have not been confirmed by published functional studies and their clinical significance is uncertain. This variant has not been reported in the literature in individuals with WNK1-related disease. The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the ExAC database. This sequence change replaces leucine with proline at codon 942 of the WNK1 protein (p.Leu942Pro). The leucine residue is highly conserved and there is a moderate physicochemical difference between leucine and proline.

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