ClinVar Miner

Submissions for variant NM_000397.4(CYBB):c.1244C>G (p.Pro415Arg)

gnomAD frequency: 0.00001  dbSNP: rs137854585
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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 RCV001228259 SCV001400649 likely pathogenic Granulomatous disease, chronic, X-linked 2019-10-23 criteria provided, single submitter clinical testing This sequence change replaces proline with arginine at codon 415 of the CYBB protein (p.Pro415Arg). The proline residue is highly conserved and there is a moderate physicochemical difference between proline and arginine. This variant is not present in population databases (ExAC no frequency). This variant has been observed in individual(s) with clinical features of chronic granulomatous disease (PMID: 11162142, Invitae). Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be disruptive, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. This variant disrupts the p.Pro415 amino acid residue in CYBB. Other variant(s) that disrupt this residue have been determined to be pathogenic (PMID: 2556453, 9585602, 20724480, 11162142). This suggests that this residue is clinically significant, and that variants that disrupt this residue are likely to be disease-causing. 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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