ClinVar Miner

Submissions for variant NM_007294.3(BRCA1):c.861C>G (p.Asn287Lys) (rs1064794692)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000487264 SCV000569740 uncertain significance not provided 2016-03-22 criteria provided, single submitter clinical testing This variant is denoted BRCA1 c.861C>G at the cDNA level, p.Asn287Lys (N287K) at the protein level, and results in the change of an Asparagine to a Lysine (AAC>AAG). Using alternate nomenclature, this variant would be defined as BRCA1 c.980C>G. This variant has not, to our knowledge, been published in the literature as pathogenic or benign. BRCA1 Asn287Lys 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 Asparagine and Lysine differ in some properties, this is considered a semi-conservative amino acid substitution. BRCA1 Asn287Lys occurs at a position that is not conserved and is located in a region known to interact with multiple proteins (Paul 2014). In silico analyses predict that this variant is probably damaging to protein structure and function. Based on currently available evidence, it is unclear whether BRCA1 Asn287Lys is a pathogenic or benign variant. We consider it to be a variant of uncertain significance.

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