ClinVar Miner

Submissions for variant NM_001130438.3(SPTAN1):c.6794G>C (p.Ser2265Thr)

gnomAD frequency: 0.00001  dbSNP: rs796053326
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000189532 SCV000243175 uncertain significance not provided 2015-03-12 criteria provided, single submitter clinical testing p.Ser2265Thr (AGT>ACT): c.6794 G>C in exon 53 of the SPTAN1 gene (NM_001130438.1) The Ser2265Thr missense change has not been published as a mutation, nor has it been reported as a benign polymorphism to our knowledge. It was not observed in approximately 6,500 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. The amino acid substitution is conservative as both Serine and Threonine are uncharged, polar amino acid residues. Ser2265Thr alters a highly conserved position in the 23rd spectrin repeat of the alpha-II protein, where most of the pathogenic mutations in the SPTAN1 gene have been reported previously. However, these pathogenic mutations are in frame deletions or duplications and missense mutations in this region have not been reported, to our knowledge. In addition, in-silico algorithms are not consistent in their predictions of whether Ser2265Thr is damaging to the structure/function of the protein. Therefore, based on the currently available information, it is unclear whether Ser2265Thr is a disease-causing mutation or a rare benign variant. The variant is found in CHILD-EPI panel(s).

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