ClinVar Miner

Submissions for variant NM_001122630.2(CDKN1C):c.620C>T (p.Ala207Val)

dbSNP: rs1564929547
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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 RCV000687878 SCV000815469 uncertain significance Beckwith-Wiedemann syndrome 2018-01-14 criteria provided, single submitter clinical testing This sequence change replaces alanine with valine at codon 218 of the CDKN1C protein (p.Ala218Val). The alanine residue is weakly conserved and there is a small physicochemical difference between alanine and valine. While this variant is not present in population databases, the frequency information is unreliable, as metrics indicate poor data quality at this position in the ExAC database. This variant has not been reported in the literature in individuals with CDKN1C-related disease. Algorithms developed to predict the effect of missense changes on protein structure and function do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0"). 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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