ClinVar Miner

Submissions for variant NM_000059.3(BRCA2):c.7938C>G (p.Cys2646Trp) (rs1064794927)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000485719 SCV000570235 uncertain significance not provided 2018-02-15 criteria provided, single submitter clinical testing This variant is denoted BRCA2 c.7938C>G at the cDNA level, p.Cys2646Trp (C2646W) at the protein level, and results in the change of a Cysteine to a Tryptophan (TGC>TGG). Using alternate nomenclature, this variant would be defined as BRCA2 8166C>G. This variant has not, to our knowledge, been published in the literature as pathogenic or benign. BRCA2 Cys2646Trp was not observed in large population cohorts (Lek 2016). BRCA2 Cys2646Trp is located within the DSS1 contacting residue and the region of interaction with SHFM1 (Marston 1999, Yang 2002). In-silico analysis, which includes protein predictors and evolutionary conservation, supports a deleterious effect. Based on currently available evidence, it is unclear whether BRCA2 Cys2646Trp is a pathogenic or benign variant. We consider it to be a variant of uncertain significance.

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