ClinVar Miner

Submissions for variant NM_000038.6(APC):c.5503A>G (p.Arg1835Gly)

dbSNP: rs879254181
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000236329 SCV000293732 uncertain significance not provided 2015-12-18 criteria provided, single submitter clinical testing This variant is denoted APC c.5503A>G at the cDNA level, p.Arg1835Gly (R1835G) at the protein level, and results in the change of an Arginine to a Glycine (AGA>GGA). This variant has not, to our knowledge, been published in the literature as pathogenic or benign. APC Arg1835Gly was not observed in approximately 6,500 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, suggesting it is not a common benign variant in these populations. Since Arginine and Glycine differ in polarity, charge, size or other properties, this is considered a non-conservative amino acid substitution. APC Arg1835Gly occurs at a position where amino acids with properties similar to Arginine are tolerated across species and is located within a Beta-catenin down-regulating domain, SAMP repeats/axin binding domain, and within a Serine-rich region (Azzopardi 2008, UniProt). In silico analyses are inconsistent regarding the effect this variant may have on protein structure and function. Based on currently available evidence, it is unclear whether APC Arg1835Gly is pathogenic or benign. We consider it to be a variant of uncertain significance.
Invitae RCV003743692 SCV000647593 uncertain significance Familial adenomatous polyposis 1 2022-03-23 criteria provided, single submitter clinical testing This sequence change replaces arginine, which is basic and polar, with glycine, which is neutral and non-polar, at codon 1835 of the APC protein (p.Arg1835Gly). This variant is not present in population databases (gnomAD no frequency). 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. Experimental studies have shown that this missense change affects APC function (PMID: 29535845). Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0"). ClinVar contains an entry for this variant (Variation ID: 246257). This missense change has been observed in individual(s) with pancreatoblastoma and an individual with breast cancer (PMID: 26976419, 29535845).
Color Diagnostics, LLC DBA Color Health RCV000580701 SCV000681745 uncertain significance Hereditary cancer-predisposing syndrome 2019-05-31 criteria provided, single submitter clinical testing

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