ClinVar Miner

Submissions for variant NC_000003.12:g.(?_37048507)_(37050663_?)del

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000802566 SCV000942403 pathogenic Hereditary nonpolyposis colorectal neoplasms 2019-07-08 criteria provided, single submitter clinical testing This variant is a gross deletion of the genomic region encompassing exons 17-19 of the MLH1 gene. The 5' boundary is likely confined to intron 16. The 3' end of this event is unknown as it extends through the termination codon beyond the assayed region for this gene and may encompass additional genes. While this deletion is not anticipated to result in nonsense mediated decay, it is expected to create a truncated protein product or disrupt mRNA translation. This variant has been observed in several individuals with clinical features of Lynch syndrome (PMID: 24344984, 19419416). This in-frame deletion is expected to remove 124 amino acids (residues 633-756) that belong to the C-terminal PMS2 binding domain, which is important for adequate MLH1 protein function (PMID: 21404117, 20533529, 10037723). For these reasons, this variant has been classified as Pathogenic.

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