ClinVar Miner

Submissions for variant NM_000138.5(FBN1):c.1118C>A (p.Ala373Asp)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV002843839 SCV003219952 uncertain significance Marfan syndrome; Familial thoracic aortic aneurysm and aortic dissection 2023-03-07 criteria provided, single submitter clinical testing This sequence change replaces alanine, which is neutral and non-polar, with aspartic acid, which is acidic and polar, at codon 373 of the FBN1 protein (p.Ala373Asp). This variant is not present in population databases (gnomAD no frequency). 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. ClinVar contains an entry for this variant (Variation ID: 2016320). This variant has not been reported in the literature in individuals affected with FBN1-related conditions.

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