ClinVar Miner

Submissions for variant NM_000138.5(FBN1):c.1015G>T (p.Ala339Ser)

dbSNP: rs2141336224
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV002016928 SCV002298976 uncertain significance Marfan syndrome; Familial thoracic aortic aneurysm and aortic dissection 2021-02-25 criteria provided, single submitter clinical testing 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. Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt FBN1 protein function. This variant has not been reported in the literature in individuals with FBN1-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces alanine with serine at codon 339 of the FBN1 protein (p.Ala339Ser). The alanine residue is weakly conserved and there is a moderate physicochemical difference between alanine and serine.

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