ClinVar Miner

Submissions for variant NM_007078.3(LDB3):c.890G>A (p.Arg297Lys)

gnomAD frequency: 0.00001  dbSNP: rs1266510625
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV001589876 SCV001823759 uncertain significance not provided 2021-03-19 criteria provided, single submitter clinical testing Not observed at a significant frequency in large population cohorts (Lek et al., 2016); In silico analysis supports that this missense variant does not alter protein structure/function; This variant is associated with the following publications: (PMID: 28798025)
Invitae RCV003502597 SCV004353661 uncertain significance Myofibrillar myopathy 4 2023-10-05 criteria provided, single submitter clinical testing This sequence change replaces arginine, which is basic and polar, with lysine, which is basic and polar, at codon 250 of the LDB3 protein (p.Arg250Lys). This variant is present in population databases (no rsID available, gnomAD 0.004%). This missense change has been observed in individual(s) with clinical features of LDB3-related conditions (PMID: 28798025). This variant is also known as R365K. ClinVar contains an entry for this variant (Variation ID: 1217617). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be tolerated. 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.

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