ClinVar Miner

Submissions for variant NM_000155.4(GALT):c.379A>G (p.Lys127Glu)

gnomAD frequency: 0.00001  dbSNP: rs111033682
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Total submissions: 5
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Eurofins Ntd Llc (ga) RCV000723539 SCV000331278 uncertain significance not provided 2015-09-08 criteria provided, single submitter clinical testing
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV000022098 SCV000695691 pathogenic Deficiency of UDPglucose-hexose-1-phosphate uridylyltransferase 2016-08-23 criteria provided, single submitter clinical testing Variant summary: The GALT c.379A>G (p.Lys127Glu) variant involves the alteration of a conserved nucleotide. 2/4 in silico tools predict a damaging outcome for this variant. This variant is located in the HIT-like domain (InterPro). Predicted structural consequences of this variant is misfolding of the protein (Facchiano_2010, McCorvie_2016). This variant was absent in 121412 control chromosomes. This variant is widely reported as pathogenic variant causing galactosemia with consistent patient and functional data. In addition, multiple reputable databases classified this variant as pathogenic. Taken together, this variant is classified as Pathogenic.
Invitae RCV000022098 SCV000830435 pathogenic Deficiency of UDPglucose-hexose-1-phosphate uridylyltransferase 2024-01-04 criteria provided, single submitter clinical testing This sequence change replaces lysine, which is basic and polar, with glutamic acid, which is acidic and polar, at codon 127 of the GALT protein (p.Lys127Glu). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individual(s) with galactosemia and/or Galactosemia including one with the Duarte allele and one where the variant is observed on the opposite chromosome (in trans) from a pathogenic variant (PMID: 11397328, 22870861, 31954591; Invitae; http://www.arup.utah.edu/database/GALT/GALT_display.php). In at least one individual the data is consistent with being in trans (on the opposite chromosome) from a pathogenic variant. ClinVar contains an entry for this variant (Variation ID: 25167). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. For these reasons, this variant has been classified as Pathogenic.
Baylor Genetics RCV000022098 SCV004198552 likely pathogenic Deficiency of UDPglucose-hexose-1-phosphate uridylyltransferase 2023-02-13 criteria provided, single submitter clinical testing
Counsyl RCV000022098 SCV000798380 likely pathogenic Deficiency of UDPglucose-hexose-1-phosphate uridylyltransferase 2018-03-09 no assertion criteria provided clinical testing

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