ClinVar Miner

Submissions for variant NM_172057.2(KCNH2):c.1586C>T (p.Pro529Leu) (rs763031434)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000181877 SCV000234180 uncertain significance not provided 2013-06-10 criteria provided, single submitter clinical testing The Pro869Leu variant in the KCNH2 gene has not been reported as a disease-causing mutation or as a benign polymorphism to our knowledge. Pro869Leu results in the removal of a sterically constrained Proline residue at a position that is conserved across species. Other nearby missense mutations have been reported (Ile858Thr, Asn861His, Asn861Ile, Asp864Gly, Gly873Ser, Gly879Arg) in association with arrhythmia, further supporting the functional importance of this region of the protein. In addition, the Pro869Leu variant was not observed in approximately 6,000 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. However, in silico analysis predicts Pro869Leu is benign to the protein structure/function.With the clinical and molecular information available at this time, we cannot definitively determine if Pro869Leu in the KCNH2 gene is a disease-causing mutation or a rare benign variant. The variant is found in POSTMORTEM,LQT panel(s).
Center for Human Genetics,University of Leuven RCV000498950 SCV000579532 uncertain significance Brugada syndrome 1 2017-02-09 criteria provided, single submitter clinical testing ACMG score unknown significance

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