ClinVar Miner

Submissions for variant NM_000546.5(TP53):c.546C>G (p.Cys182Trp) (rs1064796257)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000485383 SCV000572791 uncertain significance not provided 2017-01-25 criteria provided, single submitter clinical testing This variant is denoted TP53 c.546C>G at the cDNA level, p.Cys182Trp (C182W) at the protein level, and results in the change of a Cysteine to a Tryptophan (TGC>TGG). This variant is reported as having functional transactivation in the International Agency for Research on Cancer TP53 database based on functional assays by Kato et al. (2003). TP53 Cys182Trp was not observed in approximately 6,500 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, suggesting it is not a common benign variant in these populations. Since Cysteine and Tryptophan differ in polarity, charge, size or other properties, this is considered a non-conservative amino acid substitution. TP53 Cys182Trp occurs at a position that is not conserved and is located in the DNA binding domain (Bode 2004). In silico analyses predict that this variant is probably damaging to protein structure and function. Based on currently available evidence, it is unclear whether TP53 Cys182Trp is pathogenic or benign. We consider it to be a variant of uncertain significance.

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