ClinVar Miner

Submissions for variant NM_001999.4(FBN2):c.1328C>T (p.Ala443Val)

dbSNP: rs863223551
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000197057 SCV000250153 uncertain significance not provided 2014-07-31 criteria provided, single submitter clinical testing p.Ala443Val (GCC>GTC): c.1328 C>T in exon 10 of the FBN2 gene (NM_001999.3) The A443V variant has not been published as a mutation, nor has it been reported as a benign polymorphism to our knowledge. The A443V variant was not observed in approximately 6,500 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. The A443V variant is a conservative amino acid substitution, which is not likely to impact secondary protein structure as these residues share similar properties. This substitution occurs at a position that is not conserved across species. In silico analysis predicts this variant likely does not alter the protein structure/function. Furthermore, no missense mutations in nearby residues have been reported in association with CCA, indicating that this region of the protein may be tolerant of change. Therefore, based on the currently available information, it is unclear whether this variant is a pathogenic mutation or a rare benign variant. This variant was found in TAAD

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