ClinVar Miner

Submissions for variant NM_182916.3(TRNT1):c.883C>G (p.Leu295Val)

dbSNP: rs2126036773
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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 RCV001988720 SCV002285328 uncertain significance Congenital sideroblastic anemia-B-cell immunodeficiency-periodic fever-developmental delay syndrome 2021-06-24 criteria provided, single submitter clinical testing This variant has not been reported in the literature in individuals with TRNT1-related conditions. This sequence change replaces leucine with valine at codon 295 of the TRNT1 protein (p.Leu295Val). The leucine residue is weakly conserved and there is a small physicochemical difference between leucine and valine. This variant is not present in population databases (ExAC no frequency). 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 valine 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. 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.

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