ClinVar Miner

Submissions for variant NM_000061.3(BTK):c.1556A>C (p.His519Pro)

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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 RCV002889876 SCV003237068 uncertain significance X-linked agammaglobulinemia with growth hormone deficiency 2023-06-16 criteria provided, single submitter clinical testing This variant disrupts the p.His519 amino acid residue in BTK. Other variant(s) that disrupt this residue have been observed in individuals with BTK-related conditions (PMID: 25777788, 30882382; Invitae), which suggests that this may be a clinically significant amino acid residue. 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. ClinVar contains an entry for this variant (Variation ID: 2035116). This missense change has been observed in individual(s) with agammaglobulinemia (Invitae). This variant is not present in population databases (gnomAD no frequency). This sequence change replaces histidine, which is basic and polar, with proline, which is neutral and non-polar, at codon 519 of the BTK protein (p.His519Pro). 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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