ClinVar Miner

Submissions for variant NM_004104.5(FASN):c.4477C>G (p.Leu1493Val) (rs1451796502)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000696592 SCV000825157 uncertain significance Epileptic encephalopathy 2018-03-09 criteria provided, single submitter clinical testing This sequence change replaces leucine with valine at codon 1493 of the FASN protein (p.Leu1493Val). The leucine residue is weakly conserved and there is a small physicochemical difference between leucine and valine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with FASN-related disease. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated, but 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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