ClinVar Miner

Submissions for variant NM_012463.4(ATP6V0A2):c.26C>T (p.Thr9Ile)

gnomAD frequency: 0.00004  dbSNP: rs752689489
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Total submissions: 5
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
CeGaT Center for Human Genetics Tuebingen RCV000488263 SCV000574944 uncertain significance not provided 2016-09-01 criteria provided, single submitter clinical testing
Illumina Laboratory Services, Illumina RCV001111207 SCV001268737 uncertain significance Cutis laxa with osteodystrophy 2018-01-13 criteria provided, single submitter clinical testing This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease.
Labcorp Genetics (formerly Invitae), Labcorp RCV002525989 SCV003485254 uncertain significance ALG9 congenital disorder of glycosylation 2024-12-03 criteria provided, single submitter clinical testing This sequence change replaces threonine, which is neutral and polar, with isoleucine, which is neutral and non-polar, at codon 9 of the ATP6V0A2 protein (p.Thr9Ile). The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. This variant has not been reported in the literature in individuals affected with ATP6V0A2-related conditions. ClinVar contains an entry for this variant (Variation ID: 425021). Invitae Evidence Modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) indicates that this missense variant is expected to disrupt ATP6V0A2 protein function with a positive predictive value of 80%. 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.
Ambry Genetics RCV002527000 SCV003738216 uncertain significance Inborn genetic diseases 2022-12-21 criteria provided, single submitter clinical testing The c.26C>T (p.T9I) alteration is located in exon 1 (coding exon 1) of the ATP6V0A2 gene. This alteration results from a C to T substitution at nucleotide position 26, causing the threonine (T) at amino acid position 9 to be replaced by an isoleucine (I). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear.
Fulgent Genetics, Fulgent Genetics RCV005010401 SCV005634169 uncertain significance Cutis laxa with osteodystrophy; Wrinkly skin syndrome 2024-05-09 criteria provided, single submitter clinical testing

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