ClinVar Miner

Submissions for variant NM_000038.6(APC):c.6571G>A (p.Gly2191Arg)

dbSNP: rs1561608336
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Color Diagnostics, LLC DBA Color Health RCV000777454 SCV000913316 uncertain significance Hereditary cancer-predisposing syndrome 2019-01-31 criteria provided, single submitter clinical testing
Ambry Genetics RCV000777454 SCV002663345 uncertain significance Hereditary cancer-predisposing syndrome 2021-01-22 criteria provided, single submitter clinical testing The p.G2191R variant (also known as c.6571G>A), located in coding exon 15 of the APC gene, results from a G to A substitution at nucleotide position 6571. The glycine at codon 2191 is replaced by arginine, an amino acid with dissimilar properties. This amino acid position is highly conserved in available vertebrate species. In addition, the in silico prediction for this alteration is inconclusive. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.
Invitae RCV003653320 SCV003460175 uncertain significance Familial adenomatous polyposis 1 2023-12-15 criteria provided, single submitter clinical testing This sequence change replaces glycine, which is neutral and non-polar, with arginine, which is basic and polar, at codon 2191 of the APC protein (p.Gly2191Arg). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with APC-related conditions. ClinVar contains an entry for this variant (Variation ID: 631281). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt APC protein function with a negative predictive value of 95%. 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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