ClinVar Miner

Submissions for variant NM_000038.6(APC):c.6866C>T (p.Thr2289Ile) (rs876660654)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV000221312 SCV000278263 uncertain significance Hereditary cancer-predisposing syndrome 2015-09-11 criteria provided, single submitter clinical testing
Invitae RCV000539738 SCV000647674 uncertain significance Familial adenomatous polyposis 1 2017-05-09 criteria provided, single submitter clinical testing This sequence change replaces threonine with isoleucine at codon 2289 of the APC protein (p.Thr2289Ile). The threonine residue is moderately conserved and there is a moderate physicochemical difference between threonine and isoleucine. This variant is not present in population databases (ExAC no frequency) and has not been reported in the literature in individuals with a APC-related disease. ClinVar contains an entry for this variant (Variation ID: 233810). 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 tolerated, but these predictions have not been confirmed by published functional studies. In summary, this variant is a rare missense change that is not predicted to affect protein function. There is no indication that it causes disease, but the available evidence is currently insufficient to prove that conclusively. Therefore, it has been classified as a Variant of Uncertain Significance.

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