ClinVar Miner

Submissions for variant NM_001297.5(CNGB1):c.878G>A (p.Ser293Asn)

gnomAD frequency: 0.00105  dbSNP: rs146170855
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Eurofins Ntd Llc (ga) RCV000723993 SCV000225819 uncertain significance not provided 2014-08-25 criteria provided, single submitter clinical testing
Illumina Laboratory Services, Illumina RCV000320799 SCV000398361 uncertain significance Retinitis pigmentosa 2018-01-12 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.
GeneDx RCV000723993 SCV000568882 uncertain significance not provided 2015-12-03 criteria provided, single submitter clinical testing The S293N variant in the CNGB1 gene has not been reported previously as a pathogenic variant, nor as a benign variant, to our knowledge. The S293N variant was not observed at any significant frequency in approximately 6200 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. The S293N variant is a conservative amino acid substitution, which is not likely to impact secondary protein structure as these residues share similar properties. This substitution occurs at a position that is not conserved; Asparagine is seen in one species. In silico analysis predicts this variant likely does not alter the protein structure/function. We interpret S293N as a variant of uncertain significance.
Invitae RCV000723993 SCV001673821 likely benign not provided 2024-01-29 criteria provided, single submitter clinical testing

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