ClinVar Miner

Submissions for variant NM_000061.3(BTK):c.1762T>C (p.Trp588Arg)

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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 RCV003513680 SCV004300154 uncertain significance X-linked agammaglobulinemia with growth hormone deficiency 2022-11-12 criteria provided, single submitter clinical testing This variant is not present in population databases (gnomAD no frequency). This sequence change replaces tryptophan, which is neutral and slightly polar, with arginine, which is basic and polar, at codon 588 of the BTK protein (p.Trp588Arg). This missense change has been observed in individual(s) with agammaglobulinemia (PMID: 17045652). 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. This variant disrupts the p.Trp588 amino acid residue in BTK. Other variant(s) that disrupt this residue have been determined to be pathogenic (PMID: 14974089, 26931785). This suggests that this residue is clinically significant, and that variants that disrupt this residue are likely to be disease-causing. 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 BTK protein function.

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