ClinVar Miner

Submissions for variant NM_001458.5(FLNC):c.1867G>A (p.Asp623Asn)

gnomAD frequency: 0.00001  dbSNP: rs912680912
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001346054 SCV001540215 uncertain significance Myofibrillar myopathy 5; Distal myopathy with posterior leg and anterior hand involvement; Hypertrophic cardiomyopathy 26; Dilated Cardiomyopathy, Dominant 2021-11-28 criteria provided, single submitter clinical testing This sequence change replaces aspartic acid, which is acidic and polar, with asparagine, which is neutral and polar, at codon 623 of the FLNC protein (p.Asp623Asn). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with FLNC-related conditions. ClinVar contains an entry for this variant (Variation ID: 1042149). Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated. 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.
Ambry Genetics RCV002412088 SCV002724144 uncertain significance Cardiovascular phenotype 2021-11-14 criteria provided, single submitter clinical testing The p.D623N variant (also known as c.1867G>A), located in coding exon 12 of the FLNC gene, results from a G to A substitution at nucleotide position 1867. The aspartic acid at codon 623 is replaced by asparagine, an amino acid with highly similar properties. This amino acid position is conserved. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

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