ClinVar Miner

Submissions for variant NM_000206.3(IL2RG):c.344G>T (p.Cys115Phe)

dbSNP: rs1556330755
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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 RCV001969652 SCV002265344 likely pathogenic X-linked severe combined immunodeficiency 2022-07-19 criteria provided, single submitter clinical testing This sequence change replaces cysteine, which is neutral and slightly polar, with phenylalanine, which is neutral and non-polar, at codon 115 of the IL2RG protein (p.Cys115Phe). In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic. This variant disrupts the p.Cys115 amino acid residue in IL2RG. Other variant(s) that disrupt this residue have been determined to be pathogenic (PMID: 8299698; Invitae). This suggests that this residue is clinically significant, and that variants that disrupt this residue are likely to be disease-causing. 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 IL2RG protein function. ClinVar contains an entry for this variant (Variation ID: 1473926). This variant has not been reported in the literature in individuals affected with IL2RG-related conditions. This variant is not present in population databases (gnomAD no frequency).

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