ClinVar Miner

Submissions for variant NM_000535.7(PMS2):c.2324_2328delinsGCTGA (p.Asn775_Trp776delinsSerTer)

dbSNP: rs1554293959
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000630130 SCV000751086 pathogenic Hereditary nonpolyposis colorectal neoplasms 2018-10-05 criteria provided, single submitter clinical testing For these reasons, this variant has been classified as Pathogenic. Loss-of-function variants in PMS2 are known to be pathogenic (PMID: 21376568, 24362816). This variant has not been reported in the literature in individuals with PMS2-related disease. ClinVar contains an entry for this variant (Variation ID: 525809). The frequency data for this variant in the population databases (ExAC) is considered unreliable due to the presence of homologous sequence, such as pseudogenes or paralogs, in the genome. This sequence change replaces asparagine with serine at codon 775 and replaces tryptophan with a stop at codon 776 of the PMS2 gene (p.Asn775_Trp776delinsSer*). The asparagine residue at codon 775 is highly conserved and there is a small physicochemical difference between asparagine and serine. This change also creates a premature translational stop signal at codon 776 in the PMS2 gene which is expected to result in an absent or disrupted protein product.

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