ClinVar Miner

Submissions for variant NM_015443.4(KANSL1):c.736A>G (p.Ser246Gly)

gnomAD frequency: 0.00006  dbSNP: rs141969887
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000437694 SCV000521228 likely benign not specified 2016-05-24 criteria provided, single submitter clinical testing This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease.
Athena Diagnostics RCV000992212 SCV001144293 likely benign not provided 2018-09-25 criteria provided, single submitter clinical testing
Labcorp Genetics (formerly Invitae), Labcorp RCV001211698 SCV001383250 uncertain significance Koolen-de Vries syndrome 2021-08-29 criteria provided, single submitter clinical testing Due to the possible presence of a polymorphic segmental duplication, the location of the variant could not be unambiguously resolved. Variants with ambiguous mapping are still reported relative to the KANSL1 transcript. This sequence change replaces serine with glycine at codon 246 of the KANSL1 protein (p.Ser246Gly). The serine residue is highly conserved and there is a small physicochemical difference between serine and glycine. The frequency data for this variant in the population databases (ExAC) is considered unreliable due to the presence of homologous sequence, such as pseudogenes or paralogs, in the genome. This variant has not been reported in the literature in individuals with KANSL1-related conditions. ClinVar contains an entry for this variant (Variation ID: 381695). 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 tolerated. Until the location of this sequence change can be resolved, the clinical significance of this variant remains uncertain. It has been classified as a Variant of Uncertain Significance.

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