ClinVar Miner

Submissions for variant NM_021625.4(TRPV4):c.827A>C (p.Lys276Thr)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000806828 SCV000946847 uncertain significance Charcot-Marie-Tooth disease type 2C 2018-10-24 criteria provided, single submitter clinical testing This sequence change replaces lysine with threonine at codon 276 of the TRPV4 protein (p.Lys276Thr). The lysine residue is moderately conserved and there is a moderate physicochemical difference between lysine and threonine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with TRPV4-related disease. 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 disrupts the p.Lys276 amino acid residue in TRPV4. Other variant(s) that disrupt this residue have been observed in affected individuals (PMID:21964829), which suggests that this may be a clinically significant amino acid residue. 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.

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