ClinVar Miner

Submissions for variant NM_000535.7(PMS2):c.2500_2501del (p.Met834fs)

dbSNP: rs876661042
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000222715 SCV000279328 likely pathogenic not provided 2015-12-04 criteria provided, single submitter clinical testing This variant is denoted PMS2 c.2500_2501delATinsG at the cDNA level and p.Met834GlyfsX17 (M834GfsX17) at the protein level.The normal sequence, with the bases that are deleted in braces and inserted in brackets, is CCAC{AT}[G]GGGGGA. The deletion and insertion causes a frameshift, which changes a Methionine to a Glycine at codon 834, and creates a premature stop codon at position 17 of the new reading frame.This variant is predicted to cause loss of normal protein function through protein truncation.Due to the premature truncation, the last 29 amino acids of the protein are replaced by 16 incorrect amino acids, located in a highly conserved region involved in interaction with MLH1 and endonuclease activity (Guerrette 1999, Fukui 2011). Although this variant has not been reported in association with Lynch syndrome to our knowledge, based on the currently available evidence, we consider it to be a likely pathogenic variant.

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