ClinVar Miner

Submissions for variant NM_002292.4(LAMB2):c.2509G>A (p.Gly837Arg)

dbSNP: rs2107639681
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001372535 SCV001569206 uncertain significance Pierson syndrome; LAMB2-related infantile-onset nephrotic syndrome 2020-09-11 criteria provided, single submitter clinical testing This variant has not been reported in the literature in individuals with LAMB2-related conditions. This sequence change replaces glycine with arginine at codon 837 of the LAMB2 protein (p.Gly837Arg). The glycine residue is highly conserved and there is a moderate physicochemical difference between glycine and arginine. This variant is not present in population databases (ExAC no frequency). 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 disruptive, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. 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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