ClinVar Miner

Submissions for variant NM_001399.5(EDA):c.167T>A (p.Leu56Gln)

dbSNP: rs1569272203
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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 RCV000690311 SCV000817993 pathogenic Hypohidrotic X-linked ectodermal dysplasia 2022-02-23 criteria provided, single submitter clinical testing For these reasons, this variant has been classified as Pathogenic. This sequence change replaces leucine, which is neutral and non-polar, with glutamine, which is neutral and polar, at codon 56 of the EDA protein (p.Leu56Gln). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individual(s) with ectodermal dysplasia (Invitae). ClinVar contains an entry for this variant (Variation ID: 569631). 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 expected to disrupt EDA protein function. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site. This variant disrupts the p.Leu56 amino acid residue in EDA. Other variant(s) that disrupt this residue have been determined to be pathogenic (PMID: 25626993). This suggests that this residue is clinically significant, and that variants that disrupt this residue are likely to be disease-causing.

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