ClinVar Miner

Submissions for variant NM_053025.4(MYLK):c.1205G>A (p.Arg402Lys)

dbSNP: rs2062575448
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001052726 SCV001216950 uncertain significance Aortic aneurysm, familial thoracic 7 2019-02-15 criteria provided, single submitter clinical testing This variant is not present in population databases (ExAC no frequency). This sequence change replaces arginine with lysine at codon 402 of the MYLK protein (p.Arg402Lys). The arginine residue is weakly conserved and there is a small physicochemical difference between arginine and lysine. This variant has not been reported in the literature in individuals with MYLK-related conditions. 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 output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The lysine amino acid residue is found in multiple mammalian species, suggesting that this missense change does not adversely affect protein function. These predictions have not been confirmed by published functional studies and their clinical significance is uncertain.

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