ClinVar Miner

Submissions for variant NM_000155.4(GALT):c.773G>A (p.Arg258His)

gnomAD frequency: 0.00001  dbSNP: rs773766027
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Illumina Laboratory Services, Illumina RCV001168023 SCV001330576 uncertain significance Deficiency of UDPglucose-hexose-1-phosphate uridylyltransferase 2017-04-27 criteria provided, single submitter clinical testing This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. However, the evidence from the literature, in combination with allele frequency data from public databases where available, was not sufficient to rule this variant in or out of causing disease. Therefore, this variant is classified as a variant of unknown significance.
Invitae RCV001168023 SCV001421837 uncertain significance Deficiency of UDPglucose-hexose-1-phosphate uridylyltransferase 2021-11-30 criteria provided, single submitter clinical testing This sequence change replaces arginine, which is basic and polar, with histidine, which is basic and polar, at codon 258 of the GALT protein (p.Arg258His). This variant is present in population databases (rs773766027, gnomAD 0.01%). This variant has not been reported in the literature in individuals affected with GALT-related conditions. ClinVar contains an entry for this variant (Variation ID: 914056). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt GALT protein function. 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.
Natera, Inc. RCV001833727 SCV002085233 uncertain significance Galactosemia 2020-03-31 no assertion criteria provided clinical testing

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