ClinVar Miner

Submissions for variant NM_005534.4(IFNGR2):c.757G>A (p.Val253Met)

gnomAD frequency: 0.00002  dbSNP: rs191792822
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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 RCV002018738 SCV002261308 uncertain significance Immunodeficiency 28 2022-08-23 criteria provided, single submitter clinical testing This sequence change replaces valine, which is neutral and non-polar, with methionine, which is neutral and non-polar, at codon 253 of the IFNGR2 protein (p.Val253Met). This variant is present in population databases (rs191792822, gnomAD 0.006%), including at least one homozygous and/or hemizygous individual. This variant has not been reported in the literature in individuals affected with IFNGR2-related conditions. ClinVar contains an entry for this variant (Variation ID: 1477423). Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The methionine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect 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.

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