ClinVar Miner

Submissions for variant NM_000059.4(BRCA2):c.2900T>C (p.Leu967Pro)

dbSNP: rs786202161
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Total submissions: 5
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV000164842 SCV000215525 uncertain significance Hereditary cancer-predisposing syndrome 2024-06-22 criteria provided, single submitter clinical testing The p.L967P variant (also known as c.2900T>C), located in coding exon 10 of the BRCA2 gene, results from a T to C substitution at nucleotide position 2900. The leucine at codon 967 is replaced by proline, an amino acid with similar properties. This amino acid position is not well conserved in available vertebrate species. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.
Labcorp Genetics (formerly Invitae), Labcorp RCV000637332 SCV000758784 uncertain significance Hereditary breast ovarian cancer syndrome 2021-08-12 criteria provided, single submitter clinical testing This sequence change replaces leucine with proline at codon 967 of the BRCA2 protein (p.Leu967Pro). The leucine residue is weakly conserved and there is a moderate physicochemical difference between leucine and proline. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with BRCA2-related disease. ClinVar contains an entry for this variant (Variation ID: 185423). Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The proline amino acid residue is found in multiple mammalian species, suggesting that this missense change does not adversely affect protein function. These predictions have not been confirmed by published functional studies and their clinical significance is uncertain. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.
Color Diagnostics, LLC DBA Color Health RCV000164842 SCV000906054 uncertain significance Hereditary cancer-predisposing syndrome 2020-01-14 criteria provided, single submitter clinical testing This missense variant replaces leucine with proline at codon 967 of the BRCA2 protein. Computational prediction suggests that this variant may not impact protein structure and function (internally defined REVEL score threshold <= 0.5, PMID: 27666373). Splice site prediction tools suggest that this variant may not impact RNA splicing. To our knowledge, functional studies have not been performed for this variant. This variant has not been reported in individuals affected with hereditary cancer in the literature. This variant has not been identified in the general population by the Genome Aggregation Database (gnomAD). The available evidence is insufficient to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance.
University of Washington Department of Laboratory Medicine, University of Washington RCV000164842 SCV003850219 likely benign Hereditary cancer-predisposing syndrome 2023-03-23 criteria provided, single submitter curation Missense variant in a coldspot region where missense variants are very unlikely to be pathogenic (PMID:31911673).
All of Us Research Program, National Institutes of Health RCV003995369 SCV004845079 uncertain significance Breast-ovarian cancer, familial, susceptibility to, 2 2023-03-28 criteria provided, single submitter clinical testing This missense variant replaces leucine with proline at codon 967 of the BRCA2 protein. Computational prediction suggests that this variant may not impact protein structure and function (internally defined REVEL score threshold <= 0.5, PMID: 27666373). Splice site prediction tools suggest that this variant may not impact RNA splicing. To our knowledge, functional studies have not been performed for this variant. This variant has not been reported in individuals affected with hereditary cancer in the literature. This variant has not been identified in the general population by the Genome Aggregation Database (gnomAD). The available evidence is insufficient to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance.

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