ClinVar Miner

Submissions for variant NM_000059.4(BRCA2):c.793G>A (p.Gly265Arg)

dbSNP: rs1403242422
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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 RCV000568539 SCV000661327 likely benign Hereditary cancer-predisposing syndrome 2019-10-15 criteria provided, single submitter clinical testing This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity.
PreventionGenetics, part of Exact Sciences RCV000679189 SCV000805771 uncertain significance not provided 2017-02-27 criteria provided, single submitter clinical testing
Color Diagnostics, LLC DBA Color Health RCV000568539 SCV000904092 uncertain significance Hereditary cancer-predisposing syndrome 2019-06-02 criteria provided, single submitter clinical testing
Invitae RCV001232619 SCV001405183 uncertain significance Hereditary breast ovarian cancer syndrome 2023-07-17 criteria provided, single submitter clinical testing 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. Variants that disrupt the consensus splice site are a relatively common cause of aberrant splicing (PMID: 17576681, 9536098). RNA analysis performed to evaluate the impact of this missense change on mRNA splicing indicates it does not significantly alter splicing (Invitae). Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Not Available"; PolyPhen-2: "Benign"; Align-GVGD: "Not Available". The arginine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. ClinVar contains an entry for this variant (Variation ID: 479337). This variant has not been reported in the literature in individuals affected with BRCA2-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces glycine, which is neutral and non-polar, with arginine, which is basic and polar, at codon 265 of the BRCA2 protein (p.Gly265Arg). This variant also falls at the last nucleotide of exon 9, which is part of the consensus splice site for this exon.
Baylor Genetics RCV003476318 SCV004211796 uncertain significance Familial cancer of breast 2023-10-29 criteria provided, single submitter clinical testing

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