ClinVar Miner

Submissions for variant NM_000214.3(JAG1):c.487C>T (p.Pro163Ser)

dbSNP: rs2067394475
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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 RCV001242612 SCV001415709 uncertain significance Alagille syndrome due to a JAG1 point mutation 2019-11-01 criteria provided, single submitter clinical testing This sequence change replaces proline with serine at codon 163 of the JAG1 protein (p.Pro163Ser). The proline residue is highly conserved and there is a moderate physicochemical difference between proline and serine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with JAG1-related disease. 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, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. Other missense substitutions at this codon (p.Pro163Leu and p.Pro163Arg) have been reported in individuals affected with Alagille syndrome (PMID 10220506, 12497640). 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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