ClinVar Miner

Submissions for variant NM_022489.4(INF2):c.409G>A (p.Val137Met)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000690750 SCV000818452 uncertain significance Focal segmental glomerulosclerosis 5; Charcot-Marie-Tooth disease, dominant intermediate E 2018-02-01 criteria provided, single submitter clinical testing This sequence change replaces valine with methionine at codon 137 of the INF2 protein (p.Val137Met). The valine residue is moderately conserved and there is a small physicochemical difference between valine and methionine. This variant is present in population databases (rs200713451, ExAC 0.05%), and has an allele count higher than expected for a pathogenic variant (PMID: 28166811). This variant has not been reported in the literature in individuals with INF2-related disease. Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Deleterious"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0". The methionine 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.
Bioscientia Institut fuer Medizinische Diagnostik GmbH,Sonic Healthcare RCV000735727 SCV000863880 uncertain significance Focal segmental glomerulosclerosis 5 2018-05-17 no assertion criteria provided clinical testing

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