Submissions for variant NM_004104.5(FASN):c.6229G>A (p.Asp2077Asn) (rs141935205)

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Total submissions: 1

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Submitter	RCV	SCV	Clinical significance	Condition	Last evaluated	Review status	Method	Comment
Invitae	RCV000547088	SCV000635020	uncertain significance	Epileptic encephalopathy	2018-06-13	criteria provided, single submitter	clinical testing	This sequence change replaces aspartic acid with asparagine at codon 2077 of the FASN protein (p.Asp2077Asn). The aspartic acid residue is moderately conserved and there is a small physicochemical difference between aspartic acid and asparagine. This variant is present in population databases (rs141935205, ExAC 0.07%). 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 output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The asparagine 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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