ClinVar Miner

Submissions for variant NM_033118.4(MYLK2):c.683T>C (p.Ile228Thr)

dbSNP: rs1060500985
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV000465390 SCV000544633 uncertain significance Hypertrophic cardiomyopathy 1 2016-06-13 criteria provided, single submitter clinical testing This sequence change replaces isoleucine with threonine at codon 228 of the MYLK2 protein (p.Ile228Thr). The isoleucine residue is moderately conserved and there is a moderate physicochemical difference between isoleucine and threonine. This variant is not present in population databases (ExAC no frequency) and has not been reported in the literature in individuals with a MYLK2-related disease. 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 threonine amino acid residue is also 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. In summary, this variant is a novel missense change that is not predicted to affect protein function. There is no indication that it causes disease, but the available evidence is currently insufficient to prove that conclusively. Therefore, it has been classified as a Variant of Uncertain Significance.

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