ClinVar Miner

Submissions for variant NM_001330078.2(NRXN1):c.65G>A (p.Gly22Asp)

dbSNP: rs1575279682
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000818406 SCV000959017 uncertain significance Pitt-Hopkins-like syndrome 2 2018-07-23 criteria provided, single submitter clinical testing 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. 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: "Deleterious"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0"). This variant has not been reported in the literature in individuals with NRXN1-related disease. While this variant is not present in population databases, the frequency information is unreliable, as metrics indicate poor data quality at this position in the ExAC database. This sequence change replaces glycine with aspartic acid at codon 22 of the NRXN1 protein (p.Gly22Asp). The glycine residue is highly conserved and there is a moderate physicochemical difference between glycine and aspartic acid.

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