ClinVar Miner

Submissions for variant NM_000059.3(BRCA2):c.8915T>G (p.Leu2972Trp) (rs80359142)

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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV000215767 SCV000274114 uncertain significance Hereditary cancer-predisposing syndrome 2015-02-26 criteria provided, single submitter clinical testing
Breast Cancer Information Core (BIC) (BRCA2) RCV000114014 SCV000147485 uncertain significance Breast-ovarian cancer, familial 2 2001-01-17 no assertion criteria provided clinical testing
Color RCV000215767 SCV000684006 uncertain significance Hereditary cancer-predisposing syndrome 2018-10-16 criteria provided, single submitter clinical testing
GeneDx RCV000212282 SCV000210488 uncertain significance not provided 2015-07-13 criteria provided, single submitter clinical testing This variant is denoted BRCA2 c.8915T>G at the cDNA level, p.Leu2972Trp (L2972W) at the protein level, and results in the change of a Leucine to a Tryptophan (TTG>TGG). Using alternate nomenclature, this variant would be defined as BRCA2 9143T>G. This variant has been included in one functional study where it was determined not to influence the interaction with Filamin A (Mondal 2012). BRCA2 Leu2972Trp was not observed at a significant allele frequency in the NHLBI Exome Sequencing Project. Since Leucine and Tryptophan differ in some properties, this is considered a semi-conservative amino acid substitution. BRCA2 Leu2972Trp occurs at a position where amino acids with properties similar to Leucine are tolerated across species and is located within the DNA binding domain (Borg 2010). Both in house in silico analyses and published computational models predict that this variant is probably damaging to protein structure and function (Karchin 2008). Based on currently available information, it is unclear whether BRCA2 Leu2972Trp is pathogenic or benign. We consider it to be a variant of uncertain significance.

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