ClinVar Miner

Submissions for variant NM_000152.5(GAA):c.924C>A (p.His308Gln)

dbSNP: rs370105640
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Eurofins Ntd Llc (ga) RCV000730059 SCV000857768 uncertain significance not provided 2017-10-27 criteria provided, single submitter clinical testing
Invitae RCV001042496 SCV001206178 uncertain significance Glycogen storage disease, type II 2021-08-26 criteria provided, single submitter clinical testing This sequence change replaces histidine with glutamine at codon 308 of the GAA protein (p.His308Gln). The histidine residue is highly conserved and there is a small physicochemical difference between histidine and glutamine. This variant is present in population databases (rs370105640, ExAC 0.01%). This variant has not been reported in the literature in individuals affected with GAA-related conditions. ClinVar contains an entry for this variant (Variation ID: 594706). 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.His308 amino acid residue in GAA. Other variant(s) that disrupt this residue have been observed in individuals with GAA-related conditions (PMID: 11071489, 14695532), which suggests that this may be a clinically significant amino acid residue. 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.
Genome-Nilou Lab RCV001042496 SCV002027248 uncertain significance Glycogen storage disease, type II 2021-09-05 criteria provided, single submitter clinical testing

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