ClinVar Miner

Submissions for variant NM_000076.2(CDKN1C):c.769G>T (p.Ala257Ser) (rs754283907)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000535977 SCV000623180 uncertain significance Beckwith-Wiedemann syndrome 2018-11-01 criteria provided, single submitter clinical testing This sequence change replaces alanine with serine at codon 257 of the CDKN1C protein (p.Ala257Ser). The alanine residue is moderately conserved and there is a moderate physicochemical difference between alanine and serine. This variant is present in population databases (rs754283907, ExAC 0.02%). This variant has not been reported in the literature in individuals with CDKN1C-related disease. ClinVar contains an entry for this variant (Variation ID: 454031). 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. 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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