ClinVar Miner

Submissions for variant NM_000254.2(MTR):c.3142_3144delinsACG (p.Ala1048Thr) (rs1064796193)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000481667 SCV000572681 uncertain significance not provided 2017-01-04 criteria provided, single submitter clinical testing The c.3142_3144delGCAinsACG variant in the MTR gene has not been reported previously as a pathogenic variant, nor as a benign variant, to our knowledge. The c.3142_3144delGCAinsACG variant was not observed in approximately 6500 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. The c.3142_3144delGCAinsACG variant causes an in frame substitution, changing an Alanine residue at codon 1048 to a Threonine residue, denoted p.A1048T. This is a non-conservative amino acid substitution, which is likely to impact secondary protein structure as these residues differ in polarity, charge, size and/or other properties. However, this substitution occurs at a position that is not conserved and in silico analysis predicts this variant likely does not alter the protein structure/function. Therefore, we interpret c.3142_3144delGCAinsACG as a variant of uncertain significance.

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