ClinVar Miner

Submissions for variant NM_198253.3(TERT):c.1028C>G (p.Pro343Arg)

gnomAD frequency: 0.00001  dbSNP: rs1233561979
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV002553876 SCV001224636 uncertain significance Dyskeratosis congenita, autosomal dominant 2; Idiopathic Pulmonary Fibrosis 2019-04-23 criteria provided, single submitter clinical testing This variant is not present in population databases (ExAC no frequency). This sequence change replaces proline with arginine at codon 343 of the TERT protein (p.Pro343Arg). The proline residue is weakly conserved and there is a moderate physicochemical difference between proline and arginine. This variant has not been reported in the literature in individuals with TERT-related conditions. 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. Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The arginine amino acid residue is found in multiple mammalian species, suggesting that this missense change does not adversely affect protein function. These predictions have not been confirmed by published functional studies and their clinical significance is uncertain.

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