ClinVar Miner

Submissions for variant NM_000059.3(BRCA2):c.9932C>G (p.Pro3311Arg) (rs1060502416)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000478378 SCV000571916 uncertain significance not provided 2016-10-04 criteria provided, single submitter clinical testing This variant is denoted BRCA2 c.9932C>G at the cDNA level, p.Pro3311Arg (P3311R) at the protein level, and results in the change of a Proline to an Arginine (CCC>CGC). Using alternate nomenclature, this variant would be defined as BRCA2 10160C>G. This variant has not, to our knowledge, been published in the literature as pathogenic or benign. BRCA2 Pro3311Arg was not observed in approximately 6,500 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, suggesting it is not a common benign variant in these populations. Since Proline and Arginine differ in polarity, charge, size or other properties, this is considered a non-conservative amino acid substitution. BRCA2 Pro3311Arg occurs at a position that is not conserved and is located in the NLS2 domain (Borg 2010). In silico analyses are inconsistent regarding the effect this variant may have on protein structure and function. Based on currently available evidence, it is unclear whether BRCA2 Pro3311Arg is a pathogenic or benign variant. We consider it to be a variant of uncertain significance.

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