ClinVar Miner

Submissions for variant NM_005751.5(AKAP9):c.3155A>G (p.Asp1052Gly)

dbSNP: rs779035246
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV000631610 SCV000752692 uncertain significance Long QT syndrome 2017-12-07 criteria provided, single submitter clinical testing This sequence change replaces aspartic acid with glycine at codon 1052 of the AKAP9 protein (p.Asp1052Gly). The aspartic acid residue is moderately conserved and there is a moderate physicochemical difference between aspartic acid and glycine. This variant is present in population databases (rs779035246, ExAC 0.006%). This variant has not been reported in the literature in individuals with AKAP9-related disease. Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The glycine amino acid residue is found in multiple mammalian species, suggesting that this missense change does not adversely affect protein function. These predictions have not been confirmed by published functional studies and their clinical significance is uncertain. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site, but this prediction has not been confirmed by published transcriptional studies. 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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