ClinVar Miner

Submissions for variant NM_002641.4(PIGA):c.112G>A (p.Val38Ile)

dbSNP: rs1555945533
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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 RCV000649037 SCV000770862 uncertain significance Multiple congenital anomalies-hypotonia-seizures syndrome 2 2017-10-03 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 do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0"). This variant has not been reported in the literature in individuals with PIGA-related disease. This variant is not present in population databases (ExAC no frequency). This sequence change replaces valine with isoleucine at codon 38 of the PIGA protein (p.Val38Ile). The valine residue is highly conserved and there is a small physicochemical difference between valine and isoleucine.

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