ClinVar Miner

Submissions for variant NM_007294.4(BRCA1):c.2026A>G (p.Thr676Ala)

dbSNP: rs1268006720
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Color Diagnostics, LLC DBA Color Health RCV001188621 SCV001355705 uncertain significance Hereditary cancer-predisposing syndrome 2019-04-08 criteria provided, single submitter clinical testing
University of Washington Department of Laboratory Medicine, University of Washington RCV001188621 SCV003849558 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).
Labcorp Genetics (formerly Invitae), Labcorp RCV003645207 SCV004393556 uncertain significance Hereditary breast ovarian cancer syndrome 2023-04-19 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. 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. ClinVar contains an entry for this variant (Variation ID: 926207). This variant has not been reported in the literature in individuals affected with BRCA1-related conditions. This variant is present in population databases (no rsID available, gnomAD 0.0009%). This sequence change replaces threonine, which is neutral and polar, with alanine, which is neutral and non-polar, at codon 676 of the BRCA1 protein (p.Thr676Ala).

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