ClinVar Miner

Submissions for variant NM_001364905.1(LRBA):c.4263T>G (p.Ser1421Arg)

gnomAD frequency: 0.00001  dbSNP: rs779941155
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000814096 SCV000954495 uncertain significance Combined immunodeficiency due to LRBA deficiency 2023-01-26 criteria provided, single submitter clinical testing 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) has been performed at Invitae for this missense variant, however the output from this modeling did not meet the statistical confidence thresholds required to predict the impact of this variant on LRBA protein function. ClinVar contains an entry for this variant (Variation ID: 657488). This variant has not been reported in the literature in individuals affected with LRBA-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 serine, which is neutral and polar, with arginine, which is basic and polar, at codon 1421 of the LRBA protein (p.Ser1421Arg). 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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