ClinVar Miner

Submissions for variant NM_000076.2(CDKN1C):c.626C>G (p.Ala209Gly) (rs1564929680)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000686644 SCV000814172 uncertain significance Beckwith-Wiedemann syndrome 2018-02-23 criteria provided, single submitter clinical testing This sequence change replaces alanine with glycine at codon 209 of the CDKN1C protein (p.Ala209Gly). The alanine residue is weakly conserved and there is a small physicochemical difference between alanine and glycine. 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 output the following: SIFT: "Tolerated"; Align-GVGD: "Class C0". The glycine amino acid residue is found in multiple mammalian species, suggesting that this missense change does not adversely affect protein function. 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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