ClinVar Miner

Submissions for variant NM_000426.4(LAMA2):c.3290A>G (p.His1097Arg)

dbSNP: rs370218452
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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 RCV000551800 SCV000658667 uncertain significance LAMA2-related muscular dystrophy 2021-08-28 criteria provided, single submitter clinical testing This sequence change replaces histidine with arginine at codon 1097 of the LAMA2 protein (p.His1097Arg). The histidine residue is weakly conserved and there is a small physicochemical difference between histidine and arginine. This variant is present in population databases (rs370218452, ExAC 0.001%). This variant has not been reported in the literature in individuals affected with LAMA2-related conditions. 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. 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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