ClinVar Miner

Submissions for variant NM_000059.3(BRCA2):c.2363G>A (p.Gly788Asp) (rs886039316)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV000510030 SCV000608240 uncertain significance Hereditary cancer-predisposing syndrome 2016-01-18 criteria provided, single submitter clinical testing
GeneDx RCV000255355 SCV000321453 uncertain significance not provided 2016-04-13 criteria provided, single submitter clinical testing This variant is denoted BRCA2 c.2363G>A at the cDNA level, p.Gly788Asp (G788D) at the protein level, and results in the change of a Glycine to an Aspartic Acid (GGC>GAC). Using alternate nomenclature, this variant would be defined as BRCA2 2591G>A. This variant was identified in at least one individual with a personal and/or family history of cancer suggestive of hereditary breast and ovarian cancer syndrome (Caux-Moncoutier 2009). BRCA2 Gly788Asp 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 Glycine and Aspartic Acid differ in polarity, charge, size or other properties, this is considered a non-conservative amino acid substitution. BRCA2 Gly788Asp occurs at a position that is not conserved and is not located within a known functional domain. In silico analyses predict that this variant is unlikely to alter protein structure or function. Based on currently available information, it is unclear whether BRCA2 Gly788Asp is pathogenic or benign. We consider it to be a variant of uncertain significance.

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