ClinVar Miner

Submissions for variant NM_207122.2(EXT2):c.1244A>G (p.Asn415Ser)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV002922691 SCV003262248 uncertain significance Exostoses, multiple, type 2 2023-08-10 criteria provided, single submitter clinical testing This sequence change replaces asparagine, which is neutral and polar, with serine, which is neutral and polar, at codon 415 of the EXT2 protein (p.Asn415Ser). This variant is present in population databases (rs767085143, gnomAD 0.03%). This missense change has been observed in individual(s) with chordoma (PMID: 34070849). This variant is also known as p.Asn448Ser. ClinVar contains an entry for this variant (Variation ID: 2053675). 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 EXT2 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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