ClinVar Miner

Submissions for variant NM_001458.5(FLNC):c.2202G>C (p.Lys734Asn)

dbSNP: rs769984017
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001242274 SCV001415348 uncertain significance Myofibrillar myopathy 5; Distal myopathy with posterior leg and anterior hand involvement; Hypertrophic cardiomyopathy 26; Dilated Cardiomyopathy, Dominant 2022-09-13 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) has been performed at Invitae for this missense variant, however the output from this modeling did not meet the statistical confidence thresholds required to predict the impact of this variant on FLNC protein function. ClinVar contains an entry for this variant (Variation ID: 967379). This variant has not been reported in the literature in individuals affected with FLNC-related conditions. This variant is present in population databases (rs769984017, gnomAD 0.0009%). This sequence change replaces lysine, which is basic and polar, with asparagine, which is neutral and polar, at codon 734 of the FLNC protein (p.Lys734Asn).
GeneDx RCV001556125 SCV001777648 uncertain significance not provided 2021-12-10 criteria provided, single submitter clinical testing Has not been previously published as pathogenic or benign to our knowledge; In silico analysis supports that this missense variant has a deleterious effect on protein structure/function
Ambry Genetics RCV002430028 SCV002729541 uncertain significance Cardiovascular phenotype 2020-02-28 criteria provided, single submitter clinical testing The p.K734N variant (also known as c.2202G>C), located in coding exon 14 of the FLNC gene, results from a G to C substitution at nucleotide position 2202. The lysine at codon 734 is replaced by asparagine, an amino acid with similar properties. This amino acid position is highly conserved in available vertebrate species. 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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