ClinVar Miner

Submissions for variant NM_013275.6(ANKRD11):c.4456C>T (p.Arg1486Trp)

gnomAD frequency: 0.00004  dbSNP: rs189656772
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV002316688 SCV000850323 uncertain significance Inborn genetic diseases 2016-11-22 criteria provided, single submitter clinical testing The p.R1486W variant (also known as c.4456C>T), located in coding exon 7 of the ANKRD11 gene, results from a C to T substitution at nucleotide position 4456. The arginine at codon 1486 is replaced by tryptophan, an amino acid with dissimilar properties. This variant was previously reported in the SNPDatabase as rs189656772. Based on data from the 1000 Genomes Project, the T allele has an overall frequency of approximately 0.05% (1/2098) total alleles studied. The highest observed frequency was 0.94% (1/106) African-American SW alleles. This amino acid position is well conserved on limited sequence alignment. 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.
Invitae RCV002534944 SCV003446514 uncertain significance KBG syndrome 2023-10-13 criteria provided, single submitter clinical testing This sequence change replaces arginine, which is basic and polar, with tryptophan, which is neutral and slightly polar, at codon 1486 of the ANKRD11 protein (p.Arg1486Trp). This variant is present in population databases (rs189656772, gnomAD 0.007%). This variant has not been reported in the literature in individuals affected with ANKRD11-related conditions. ClinVar contains an entry for this variant (Variation ID: 589456). 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 ANKRD11 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.

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