ClinVar Miner

Submissions for variant NM_000057.4(BLM):c.1397G>A (p.Gly466Glu)

dbSNP: rs1567041006
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000687149 SCV000814701 uncertain significance Bloom syndrome 2023-10-08 criteria provided, single submitter clinical testing This sequence change replaces glycine, which is neutral and non-polar, with glutamic acid, which is acidic and polar, at codon 466 of the BLM protein (p.Gly466Glu). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with BLM-related conditions. ClinVar contains an entry for this variant (Variation ID: 567150). 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 BLM 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.
Ambry Genetics RCV003163111 SCV003898888 uncertain significance Hereditary cancer-predisposing syndrome 2023-01-04 criteria provided, single submitter clinical testing The p.G466E variant (also known as c.1397G>A), located in coding exon 6 of the BLM gene, results from a G to A substitution at nucleotide position 1397. The glycine at codon 466 is replaced by glutamic acid, an amino acid with similar properties. This amino acid position is not well conserved in available vertebrate species, and glutamic acid is the reference amino acid in other 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.
Natera, Inc. RCV000687149 SCV001460781 uncertain significance Bloom syndrome 2020-09-16 no assertion criteria provided clinical testing

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