ClinVar Miner

Submissions for variant NM_000059.3(BRCA2):c.2681_2682delinsAG (p.Val894Glu) (rs1064793516)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000483826 SCV000566307 uncertain significance not provided 2015-04-15 criteria provided, single submitter clinical testing This variant is denoted BRCA2 c.2681_2682delTAinsAG at the cDNA level, p.Val894Glu (V894E) at the protein level. The normal sequence, with the bases that are deleted and inserted in brackets, is CAAG(delTAinsAG)GCTA. This in frame deletion and insertion, also denoted BRCA2 2909_2910delTAinsAG using alternate nomenclature, occurs on the same allele (in cis) and results in the missense change of a Valine to a Glutamic Acid (GTA>GAG). This variant has not, to our knowledge, been published in the literature as pathogenic or benign. Neither BRCA2 c.2681_2682delTAinsAG nor BRCA2 Val894Glu (by this or an alternate nucleotide change) was observed in approximately 6,500 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. Since Valine and Glutamic Acid differ in polarity, charge, size or other properties, this is considered a non-conservative amino acid substitution. BRCA2 Val894Glu occurs at a position that is not conserved across species and is located within the region of interaction with NPM1 (UniProt). In silico analyses are inconsistent regarding the effect this variant may have on protein structure and function. Based on currently available information, it is unclear whether BRCA2 Val894Glu is pathogenic or benign. We consider it to be a variant of uncertain significance.

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