ClinVar Miner

Submissions for variant NM_000057.4(BLM):c.3199T>C (p.Cys1067Arg)

dbSNP: rs1896980012
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001224390 SCV001396582 uncertain significance Bloom syndrome 2021-08-12 criteria provided, single submitter clinical testing This sequence change replaces cysteine with arginine at codon 1067 of the BLM protein (p.Cys1067Arg). The cysteine residue is weakly conserved and there is a large physicochemical difference between cysteine and arginine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with BLM-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. 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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