ClinVar Miner

Submissions for variant NM_181078.3(IL21R):c.976G>A (p.Ala326Thr)

gnomAD frequency: 0.00001  dbSNP: rs1171960252
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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 RCV001052558 SCV001216772 uncertain significance Cryptosporidiosis-chronic cholangitis-liver disease syndrome 2022-03-05 criteria provided, single submitter clinical testing This sequence change replaces alanine, which is neutral and non-polar, with threonine, which is neutral and polar, at codon 326 of the IL21R protein (p.Ala326Thr). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with IL21R-related conditions. ClinVar contains an entry for this variant (Variation ID: 848737). 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 threonine 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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