ClinVar Miner

Submissions for variant NM_000057.4(BLM):c.1437C>G (p.Phe479Leu)

dbSNP: rs1567041060
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000689409 SCV000817057 uncertain significance Bloom syndrome 2021-09-01 criteria provided, single submitter clinical testing This sequence change replaces phenylalanine with leucine at codon 479 of the BLM protein (p.Phe479Leu). The phenylalanine residue is weakly conserved and there is a small physicochemical difference between phenylalanine and leucine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals affected with BLM-related conditions. 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 leucine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. 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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