ClinVar Miner

Submissions for variant NM_000038.6(APC):c.7271C>G (p.Ser2424Ter)

dbSNP: rs1554088206
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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 RCV000570138 SCV000667649 pathogenic Hereditary cancer-predisposing syndrome 2019-09-28 criteria provided, single submitter clinical testing The p.S2424* pathogenic mutation (also known as c.7271C>G), located in coding exon 15 of the APC gene, results from a C to G substitution at nucleotide position 7271. This changes the amino acid from a serine to a stop codon within coding exon 15. The stop codon occurs in the last exon of the gene, so while it is truncating, the mRNA may escape nonsense mediated decay (NMD). Premature termination codons located either in the last exon or within 50-55 nucleotides upstream of the 3'-most exon-exon junction usually fail to elicit NMD (Maquat LE et al. Nat. Rev. Mol. Cell Biol. 2004 Feb; 5(2):89-99). This alteration is expected to result in loss of function by premature protein truncation. The exact functional impact of these removed amino acids is unknown at this time; however, structural analysis suggests this alteration removes a known motif (Thr2841-Ser2842-Val2843) needed for protein binding involved in regulation of protein function (Zhang Z et al. PLoS ONE, 2011 Aug;6:e23507; Slep KC. PLoS ONE, 2012 Nov;7:e50097). As such, this alteration is interpreted as a disease-causing mutation.
Myriad Genetics, Inc. RCV003335503 SCV004044296 pathogenic Familial adenomatous polyposis 1 2023-05-16 criteria provided, single submitter clinical testing This variant is considered pathogenic. This variant creates a termination codon and is predicted to result in premature protein truncation.

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