ClinVar Miner

Submissions for variant NM_007294.3(BRCA1):c.2789C>T (p.Pro930Leu) (rs80357256)

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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Quest Diagnostics Nichols Institute San Juan Capistrano RCV000111938 SCV000296480 uncertain significance Breast-ovarian cancer, familial 1 2016-06-07 criteria provided, single submitter clinical testing
GeneDx RCV000478240 SCV000564731 uncertain significance not provided 2015-02-24 criteria provided, single submitter clinical testing This variant is denoted BRCA1 c.2789C>T at the cDNA level, p.Pro930Leu (P930L) at the protein level, and results in the change of a Proline to a Leucine (CCT>CTT). Using alternate nomenclature, this variant would be defined as BRCA1 2908C>T. BRCA1 Pro930Leu was not 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 Proline and Leucine differ in some properties, this is considered a semi-conservative amino acid substitution. BRCA1 Pro930Leu occurs at a position that is moderately conserved across mammals and is located in the DNA binding domain (Narod 2004). Although historical in silico model calculations have suggested pathogenicity (Burk-Herrick 2006, Pavlicek 2004), present-day in-house in silico analyses predict that this variant is unlikely to alter protein structure or function. Based on currently available information, it is unclear whether BRCA1 Pro930Leu is pathogenic or benign. We consider it to be a variant of uncertain significance.
Breast Cancer Information Core (BIC) (BRCA1) RCV000111938 SCV000144545 uncertain significance Breast-ovarian cancer, familial 1 2002-05-29 no assertion criteria provided clinical testing

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