ClinVar Miner

Submissions for variant NM_001298.3(CNGA3):c.848G>T (p.Arg283Leu)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV004587978 SCV005075796 likely pathogenic Achromatopsia 2 2024-04-03 criteria provided, single submitter clinical testing Variant summary: CNGA3 c.848G>T (p.Arg283Leu) results in a non-conservative amino acid change located in the Ion transport domain (IPR005821) of the encoded protein sequence. Five of five in-silico tools predict a damaging effect of the variant on protein function. The variant was absent in 251352 control chromosomes. To our knowledge, no occurrence of c.848G>T in individuals affected with Achromatopsia 2 and no experimental evidence demonstrating its impact on protein function have been reported. Additionally, at least three variants at the Arg283 residue have been reported as associated with disease (p.Arg283Trp, p.Arg283Gln, p.Arg283Pro), suggesting that this codon is functionally important. No submitters have cited clinical-significance assessments for this variant to ClinVar. Based on the evidence outlined above, the variant was classified as likely pathogenic.
Fulgent Genetics, Fulgent Genetics RCV004587978 SCV005663331 likely pathogenic Achromatopsia 2 2024-04-03 criteria provided, single submitter clinical testing

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