ClinVar Miner

Submissions for variant NM_152393.4(KLHL40):c.296C>T (p.Ala99Val)

gnomAD frequency: 0.00001  dbSNP: rs915743218
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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 RCV001337305 SCV001530901 uncertain significance Nemaline myopathy 8 2022-06-05 criteria provided, single submitter clinical testing ClinVar contains an entry for this variant (Variation ID: 1034564). 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 sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site. 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. This variant has not been reported in the literature in individuals affected with KLHL40-related conditions. The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. This sequence change replaces alanine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 99 of the KLHL40 protein (p.Ala99Val).

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