ClinVar Miner

Submissions for variant NM_005559.4(LAMA1):c.6152G>A (p.Arg2051Gln)

gnomAD frequency: 0.00068  dbSNP: rs145781920
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Total submissions: 5
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
CeGaT Center for Human Genetics Tuebingen RCV000996637 SCV001151456 likely benign not provided 2025-01-01 criteria provided, single submitter clinical testing LAMA1: BP4
GeneDx RCV000996637 SCV001991621 uncertain significance not provided 2022-02-10 criteria provided, single submitter clinical testing In silico analysis, which includes protein predictors and evolutionary conservation, supports that this variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge
Labcorp Genetics (formerly Invitae), Labcorp RCV000996637 SCV002130849 uncertain significance not provided 2022-10-05 criteria provided, single submitter clinical testing This sequence change replaces arginine, which is basic and polar, with glutamine, which is neutral and polar, at codon 2051 of the LAMA1 protein (p.Arg2051Gln). This variant is present in population databases (rs145781920, gnomAD 0.1%), and has an allele count higher than expected for a pathogenic variant. This variant has not been reported in the literature in individuals affected with LAMA1-related conditions. ClinVar contains an entry for this variant (Variation ID: 808347). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt LAMA1 protein function. 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.
Ambry Genetics RCV002550699 SCV003638415 likely benign Inborn genetic diseases 2021-11-29 criteria provided, single submitter clinical testing This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity.
Institute of Human Genetics, Univ. Regensburg, Univ. Regensburg RCV004818121 SCV005070139 uncertain significance Retinal dystrophy 2023-01-01 no assertion criteria provided clinical testing

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