ClinVar Miner

Submissions for variant NM_000038.6(APC):c.679G>T (p.Asp227Tyr)

dbSNP: rs1554074749
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV003538441 SCV000768086 uncertain significance Familial adenomatous polyposis 1 2021-01-02 criteria provided, single submitter clinical testing This sequence change replaces aspartic acid with tyrosine at codon 227 of the APC protein (p.Asp227Tyr). The aspartic acid residue is moderately conserved and there is a large physicochemical difference between aspartic acid and tyrosine. 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. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site, but this prediction has not been confirmed by published transcriptional studies. 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: "Tolerated"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0"). This variant has not been reported in the literature in individuals with APC-related disease. This variant is not present in population databases (ExAC no frequency).

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