ClinVar Miner

Submissions for variant NM_000397.4(CYBB):c.160A>G (p.Arg54Gly)

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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 RCV003509045 SCV004298948 likely pathogenic Granulomatous disease, chronic, X-linked 2023-09-21 criteria provided, single submitter clinical testing This missense change has been observed in individuals with chronic granulomatous disease (PMID: 34462840; Invitae). This variant is not present in population databases (gnomAD no frequency). This sequence change replaces arginine, which is basic and polar, with glycine, which is neutral and non-polar, at codon 54 of the CYBB protein (p.Arg54Gly). 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 CYBB protein function. Experimental studies are conflicting or provide insufficient evidence to determine the effect of this variant on CYBB function (PMID: 21659519). This variant disrupts the p.Arg54 amino acid residue in CYBB. Other variant(s) that disrupt this residue have been observed in individuals with CYBB-related conditions (PMID: 7713925, 9667376, 34462840), which suggests that this may be a clinically significant amino acid residue. In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic.

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