ClinVar Miner

Submissions for variant NM_000059.3(BRCA2):c.5710C>T (p.Leu1904Phe) (rs55875643)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Breast Cancer Information Core (BIC) (BRCA2) RCV000113465 SCV000146672 uncertain significance Breast-ovarian cancer, familial 2 2002-05-29 no assertion criteria provided clinical testing
GeneDx RCV000522965 SCV000616978 uncertain significance not provided 2017-05-01 criteria provided, single submitter clinical testing This variant is denoted BRCA2 c.5710C>T at the cDNA level, p.Leu1904Phe (L1904F) at the protein level, and results in the change of a Leucine to a Phenylalanine (CTT>TTT). Using alternate nomenclature, this variant would be defined as BRCA2 5938C>T. This variant has not, to our knowledge, been published in the literature as pathogenic or benign. BRCA2 Leu1904Phe was not observed in large population cohorts (NHLBI Exome Sequencing Project, The 1000 Genomes Consortium 2015, Lek 2016). Since Leucine and Phenylalanine share similar properties, this is considered a conservative amino acid substitution. BRCA2 Leu1904Phe occurs at a position that is not conserved and is located in the RAD51 binding domain (Roy 2012). In silico analyses predict that this variant is unlikely to alter protein structure or function. Based on currently available evidence, it is unclear whether BRCA2 Leu1904Phe is a pathogenic or benign variant. We consider it to be a variant of uncertain significance.

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