ClinVar Miner

Submissions for variant NM_000038.6(APC):c.2494C>G (p.Pro832Ala)

dbSNP: rs1554084213
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV002530041 SCV000768119 uncertain significance Familial adenomatous polyposis 1 2023-11-17 criteria provided, single submitter clinical testing This sequence change replaces proline, which is neutral and non-polar, with alanine, which is neutral and non-polar, at codon 832 of the APC protein (p.Pro832Ala). 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: 537467). 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.
Color Diagnostics, LLC DBA Color Health RCV001185030 SCV001351160 uncertain significance Hereditary cancer-predisposing syndrome 2023-12-05 criteria provided, single submitter clinical testing This missense variant replaces proline with alanine at codon 832 of the APC protein. Computational prediction tools and conservation analyses are inconclusive regarding the impact of this variant on the protein function. Computational splicing tools suggest that this variant may not impact RNA splicing. To our knowledge, functional assays have not been performed for this variant nor has this variant been reported in individuals affected with hereditary cancer in the literature. This variant has not been identified in the general population by the Genome Aggregation Database (gnomAD). Available evidence is insufficient to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance.
Institute for Clinical Genetics, University Hospital TU Dresden, University Hospital TU Dresden RCV003237972 SCV002010895 uncertain significance not provided 2021-11-03 criteria provided, single submitter clinical testing
Ambry Genetics RCV001185030 SCV002741050 uncertain significance Hereditary cancer-predisposing syndrome 2023-09-05 criteria provided, single submitter clinical testing The p.P832A variant (also known as c.2494C>G), located in coding exon 15 of the APC gene, results from a C to G substitution at nucleotide position 2494. The proline at codon 832 is replaced by alanine, an amino acid with highly similar properties. This amino acid position is highly conserved in available vertebrate species. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

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