ClinVar Miner

Submissions for variant NM_000492.4(CFTR):c.212A>G (p.Asn71Ser)

dbSNP: rs1003610229
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001222064 SCV001394145 uncertain significance Cystic fibrosis 2021-09-01 criteria provided, single submitter clinical testing This sequence change replaces asparagine with serine at codon 71 of the CFTR protein (p.Asn71Ser). The asparagine residue is weakly conserved and there is a small physicochemical difference between asparagine and serine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals affected with CFTR-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated. 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.
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV001824938 SCV002074441 uncertain significance not specified 2022-01-26 criteria provided, single submitter clinical testing Variant summary: CFTR c.212A>G (p.Asn71Ser) results in a conservative amino acid change in the encoded protein sequence. Two of four in-silico tools predict a benign effect of the variant on protein function. The variant was absent in 250978 control chromosomes (gnomAD). The available data on variant occurrences in the general population are insufficient to allow any conclusion about variant significance. To our knowledge, no occurrence of c.212A>G in individuals affected with Cystic Fibrosis and no experimental evidence demonstrating its impact on protein function have been reported. One clinical diagnostic laboratory has submitted clinical-significance assessments for this variant to ClinVar after 2014 and classified the variant as uncertain significance. Based on the evidence outlined above, the variant was classified as uncertain significance.
Natera, Inc. RCV001833924 SCV002080088 uncertain significance CFTR-related disorders 2021-01-29 no assertion criteria provided clinical testing

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