ClinVar Miner

Submissions for variant NM_002872.5(RAC2):c.281G>A (p.Arg94His)

gnomAD frequency: 0.00002  dbSNP: rs780585104
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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 RCV000801925 SCV000941729 uncertain significance Neutrophil immunodeficiency syndrome 2023-12-18 criteria provided, single submitter clinical testing This sequence change replaces arginine, which is basic and polar, with histidine, which is basic and polar, at codon 94 of the RAC2 protein (p.Arg94His). 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 variant has not been reported in the literature in individuals affected with RAC2-related conditions. ClinVar contains an entry for this variant (Variation ID: 647415). 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 RAC2 protein function with a negative predictive value of 95%. 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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