ClinVar Miner

Submissions for variant NM_053025.4(MYLK):c.1566C>A (p.Asp522Glu)

gnomAD frequency: 0.00001  dbSNP: rs1262457848
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001237682 SCV001410454 uncertain significance Aortic aneurysm, familial thoracic 7 2021-08-04 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. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Benign"; Align-GVGD: "Class C35"). This variant has not been reported in the literature in individuals with MYLK-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces aspartic acid with glutamic acid at codon 522 of the MYLK protein (p.Asp522Glu). The aspartic acid residue is highly conserved and there is a small physicochemical difference between aspartic acid and glutamic acid.
Ambry Genetics RCV003166476 SCV003864612 uncertain significance Familial thoracic aortic aneurysm and aortic dissection 2022-11-17 criteria provided, single submitter clinical testing The p.D522E variant (also known as c.1566C>A), located in coding exon 9 of the MYLK gene, results from a C to A substitution at nucleotide position 1566. The aspartic acid at codon 522 is replaced by glutamic acid, 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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