ClinVar Miner

Submissions for variant NM_001267550.2(TTN):c.86009T>C (p.Ile28670Thr)

gnomAD frequency: 0.00001  dbSNP: rs1703105655
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Johns Hopkins Genomics, Johns Hopkins University RCV001250553 SCV001425385 uncertain significance Autosomal recessive limb-girdle muscular dystrophy type 2J 2020-02-15 criteria provided, single submitter clinical testing c.86009T>C (p.Ile28670Thr) has not been reported in ClinVar nor the literature, to our knowledge. This variant is absent from large population datasets. Of two bioinformatics tools queried, one predicts that this amino acid substitution would be benign, while one predicts that it would be deleterious. The amino acid residue at this position is evolutionarily conserved across most mammals and birds, but a threonine is substituted at this position in platypus9. This missense variant is located in the Fibronectrin-3 (Fn3) repeat in the A-band of TTN3. Due to insufficient evidence, we consider the clinical significance of c.86009T>C to be uncertain at this time.

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