ClinVar Miner

Submissions for variant NM_007294.4(BRCA1):c.3134A>G (p.Asn1045Ser)

dbSNP: rs1555588330
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV000568216 SCV000660986 uncertain significance Hereditary cancer-predisposing syndrome 2018-05-23 criteria provided, single submitter clinical testing The p.N1045S variant (also known as c.3134A>G), located in coding exon 9 of the BRCA1 gene, results from an A to G substitution at nucleotide position 3134. The asparagine at codon 1045 is replaced by serine, an amino acid with highly similar properties. This amino acid position is 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.
Invitae RCV001060862 SCV001225578 uncertain significance Hereditary breast ovarian cancer syndrome 2024-01-10 criteria provided, single submitter clinical testing This sequence change replaces asparagine, which is neutral and polar, with serine, which is neutral and polar, at codon 1045 of the BRCA1 protein (p.Asn1045Ser). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with BRCA1-related conditions. ClinVar contains an entry for this variant (Variation ID: 479197). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt BRCA1 protein function with a negative predictive value of 95%. 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.
University of Washington Department of Laboratory Medicine, University of Washington RCV000568216 SCV003847477 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).

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