ClinVar Miner

Submissions for variant NM_005591.4(MRE11):c.734A>T (p.His245Leu)

gnomAD frequency: 0.00001  dbSNP: rs1555013153
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000642456 SCV000764135 uncertain significance Ataxia-telangiectasia-like disorder 2019-09-11 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. 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 disruptive, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. This variant has not been reported in the literature in individuals with MRE11-related disease. This variant is not present in population databases (ExAC no frequency). This sequence change replaces histidine with leucine at codon 245 of the MRE11 protein (p.His245Leu). The histidine residue is highly conserved and there is a moderate physicochemical difference between histidine and leucine.
Ambry Genetics RCV002461948 SCV002756279 uncertain significance Hereditary cancer-predisposing syndrome 2022-07-11 criteria provided, single submitter clinical testing The p.H245L variant (also known as c.734A>T), located in coding exon 7 of the MRE11A gene, results from an A to T substitution at nucleotide position 734. The histidine at codon 245 is replaced by leucine, an amino acid with similar properties. This amino acid position is conserved. In addition, this alteration is predicted to be deleterious by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

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