ClinVar Miner

Submissions for variant NM_000538.4(RFXAP):c.503A>G (p.Lys168Arg)

gnomAD frequency: 0.00001  dbSNP: rs1437034327
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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 RCV000803863 SCV000943750 uncertain significance MHC class II deficiency 2021-08-26 criteria provided, single submitter clinical testing This sequence change replaces lysine with arginine at codon 168 of the RFXAP protein (p.Lys168Arg). The lysine residue is highly conserved and there is a small physicochemical difference between lysine and arginine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals affected with RFXAP-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be disruptive. 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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