ClinVar Miner

Submissions for variant NM_007294.4(BRCA1):c.4465A>G (p.Lys1489Glu)

dbSNP: rs2052721149
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001222939 SCV001395063 uncertain significance Hereditary breast ovarian cancer syndrome 2020-10-13 criteria provided, single submitter clinical testing 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 glutamic acid 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. This variant has been observed in an individual affected with breast cancer (PMID: 22655046). This variant is not present in population databases (ExAC no frequency). This sequence change replaces lysine with glutamic acid at codon 1489 of the BRCA1 protein (p.Lys1489Glu). The lysine residue is weakly conserved and there is a small physicochemical difference between lysine and glutamic acid. 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.

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