ClinVar Miner

Submissions for variant NM_000038.6(APC):c.5569del (p.Ser1857fs) (rs1064795688)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000487142 SCV000571718 likely pathogenic not provided 2016-09-20 criteria provided, single submitter clinical testing This deletion of one nucleotide in APC is denoted c.5569delT at the cDNA level and p.Ser1857HisfsX6 (S1857HfsX6) at the protein level. The normal sequence, with the base that is deleted in braces, is GTTTT[T]CACG. The deletion causes a frameshift which changes a Serine to a Histidine at codon 1857, and creates a premature stop codon at position 6 of the new reading frame. Even though this frameshift occurs in the last exon of the gene, and nonsense-mediated decay is not expected to occur, it is significant since the last 987 amino acids are replaced with 5 incorrect ones. Although this variant has not, to our knowledge, been reported in the literature, it is predicted to cause loss of normal protein function through protein truncation. Based on the currently available information, we consider this deletion to be a likely pathogenic variant.

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