ClinVar Miner

Submissions for variant NM_001365999.1(SZT2):c.5579G>A (p.Gly1860Asp)

dbSNP: rs1654050516
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Victorian Clinical Genetics Services, Murdoch Childrens Research Institute RCV001089975 SCV001245004 uncertain significance Developmental and epileptic encephalopathy, 18 2018-09-13 criteria provided, single submitter clinical testing A heterozygous missense variant, NM_015284.3(SZT2):c.5408G>A, has been identified in exon 38 of 71 of the SZT2 gene. The variant is predicted to result in a moderate amino acid change from a glycine to an aspartate at position 1803 of the protein, NP_056099.3(SZT2):p.(Gly1803Asp). The glycine residue at this position has very high conservation (100 vertebrates, UCSC), but is not located within a well established functional domain. In silico predictions for this variant are consistently pathogenic (Polyphen, SIFT, CADD, Mutation Taster). The variant is absent in population databases (gnomAD, dbSNP, 1000G) and has not been previously reported in clinical cases. Analysis of maternal sample indicated this variant was maternally inherited. Based on the information available at the time of curation, this variant has been classified as VARIANT of UNCERTAIN SIGNIFICANCE (VUS) with POTENTIAL CLINICAL RELEVANCE.

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