ClinVar Miner

Submissions for variant NM_024570.4(RNASEH2B):c.219G>T (p.Trp73Cys)

dbSNP: rs1951650677
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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 RCV001367637 SCV001563993 uncertain significance Aicardi-Goutieres syndrome 2 2021-08-31 criteria provided, single submitter clinical testing This sequence change replaces tryptophan with cysteine at codon 73 of the RNASEH2B protein (p.Trp73Cys). The tryptophan residue is highly conserved and there is a large physicochemical difference between tryptophan and cysteine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals affected with RNASEH2B-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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