ClinVar Miner

Submissions for variant NM_000448.3(RAG1):c.2219C>G (p.Ala740Gly)

gnomAD frequency: 0.00001  dbSNP: rs762107952
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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 RCV001317633 SCV001508302 uncertain significance Combined immunodeficiency with skin granulomas; Severe combined immunodeficiency, autosomal recessive, T cell-negative, B cell-negative, NK cell-positive 2020-10-20 criteria provided, single submitter clinical testing The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the ExAC database. 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. 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 expected to disrupt RAG1 protein function. This variant has not been reported in the literature in individuals with RAG1-related conditions. This sequence change replaces alanine with glycine at codon 740 of the RAG1 protein (p.Ala740Gly). The alanine residue is highly conserved and there is a small physicochemical difference between alanine and glycine.

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