ClinVar Miner

Submissions for variant NM_000380.4(XPA):c.682C>T (p.Arg228Ter)

gnomAD frequency: 0.00033  dbSNP: rs104894132
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Total submissions: 8
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Counsyl RCV000001050 SCV000789455 pathogenic Xeroderma pigmentosum group A 2017-02-01 criteria provided, single submitter clinical testing
Fulgent Genetics, Fulgent Genetics RCV000001050 SCV000894457 pathogenic Xeroderma pigmentosum group A 2018-10-31 criteria provided, single submitter clinical testing
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV000781924 SCV000920350 pathogenic Xeroderma pigmentosum 2018-12-03 criteria provided, single submitter clinical testing Variant summary: XPA c.682C>T (p.Arg228X) results in a premature termination codon, predicted to cause a truncation of the encoded protein or absence of the protein due to nonsense mediated decay, which are commonly known mechanisms for disease. The variant allele was found at a frequency of 0.00034 in 276474 control chromosomes (gnomAD). c.682C>T has been reported in the literature in multiple individuals affected with Xeroderma Pigmentosum (Messaoud_2010, Kindil_2017). These data indicate that the variant is very likely to be associated with disease. Two ClinVar submissions (evaluation after 2014) cite the variant as pathogenic. Based on the evidence outlined above, the variant was classified as pathogenic.
Labcorp Genetics (formerly Invitae), Labcorp RCV000815514 SCV000955973 pathogenic not provided 2024-01-13 criteria provided, single submitter clinical testing This sequence change creates a premature translational stop signal (p.Arg228*) in the XPA gene. While this is not anticipated to result in nonsense mediated decay, it is expected to disrupt the last 46 amino acid(s) of the XPA protein. This variant is present in population databases (rs104894132, gnomAD 0.3%). This premature translational stop signal has been observed in individuals with xeroderma pigmentosum (PMID: 8105686, 20534089, 26743599, 27413738, 27607234, 29208038). It is commonly reported in individuals of North African ancestry (PMID: 8105686, 20534089, 26743599, 27413738, 27607234, 29208038). ClinVar contains an entry for this variant (Variation ID: 995). For these reasons, this variant has been classified as Pathogenic.
3billion RCV000001050 SCV002058781 pathogenic Xeroderma pigmentosum group A 2022-01-03 criteria provided, single submitter clinical testing Stop-gained (nonsense): predicted to result in a loss or disruption of normal protein function through protein truncation. Multiple pathogenic variants are reported in the predicted truncated region (PVS1_S). The variant has been reported at least twice as pathogenic/likely pathogenic with clinical assertions and evidence for the classification (ClinVar ID: VCV000000995, PMID:8105686, 3billion dataset). It is observed at an extremely low frequency in the gnomAD v2.1.1 dataset (total allele frequency: 0.000337, PM2_M). Therefore, this variant is classified as pathogenic according to the recommendation of ACMG/AMP guideline.
Baylor Genetics RCV000001050 SCV004206945 pathogenic Xeroderma pigmentosum group A 2024-03-16 criteria provided, single submitter clinical testing
OMIM RCV000001050 SCV000021200 pathogenic Xeroderma pigmentosum group A 1995-11-01 no assertion criteria provided literature only
GeneReviews RCV000001050 SCV000320722 not provided Xeroderma pigmentosum group A no assertion provided literature only

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