ClinVar Miner

Submissions for variant NM_004895.4(NLRP3):c.918G>C (p.Glu306Asp) (rs1572169394)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000793429 SCV000932781 uncertain significance Cryopyrin associated periodic syndrome 2018-12-26 criteria provided, single submitter clinical testing This sequence change replaces glutamic acid with aspartic acid at codon 306 of the NLRP3 protein (p.Glu306Asp). The glutamic acid residue is highly conserved and there is a small physicochemical difference between glutamic acid and aspartic acid. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with NLRP3-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). This variant disrupts the p.Glu306 amino acid residue in NLRP3. Another variant, referred to as E304K, that disrupts this residue, has been observed in individuals with NLRP3-related conditions (PMID: 16920754, 20472245, 25883259, 27650144), suggesting that it is a clinically significant residue. As a result, variants that disrupt this residue are likely to be causative of disease. 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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