ClinVar Miner

Submissions for variant NM_000138.5(FBN1):c.5789A>G (p.Asp1930Gly)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV002306195 SCV002599958 likely pathogenic not provided 2022-10-06 criteria provided, single submitter clinical testing Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; This variant is associated with the following publications: (PMID: 21895641, 20886638, 17657824, 21883168, 32123317, 25636182)
Labcorp Genetics (formerly Invitae), Labcorp RCV003099100 SCV003443566 likely pathogenic Marfan syndrome; Familial thoracic aortic aneurysm and aortic dissection 2024-04-15 criteria provided, single submitter clinical testing This sequence change replaces aspartic acid, which is acidic and polar, with glycine, which is neutral and non-polar, at codon 1930 of the FBN1 protein (p.Asp1930Gly). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individuals with clinical features of FBN1-related conditions (PMID: 21883168; Invitae). It has also been observed to segregate with disease in related individuals. ClinVar contains an entry for this variant (Variation ID: 1723088). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. RNA analysis performed to evaluate the impact of this missense change on mRNA splicing indicates it does not significantly alter splicing (PMID: 21895641, 25636182, 32123317). In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic.

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