ClinVar Miner

Submissions for variant NM_138773.4(SLC25A46):c.427G>A (p.Val143Ile) (rs1554092069)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000652876 SCV000774748 uncertain significance Neuropathy, hereditary motor and sensory, type 6B 2019-08-20 criteria provided, single submitter clinical testing This sequence change replaces valine with isoleucine at codon 143 of the SLC25A46 protein (p.Val143Ile). The valine residue is weakly conserved and there is a small physicochemical difference between valine and isoleucine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with SLC25A46-related disease. Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The isoleucine 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. 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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