ClinVar Miner

Submissions for variant NM_000546.5(TP53):c.575A>G (p.Gln192Arg) (rs730882002)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000161029 SCV000211750 uncertain significance not provided 2014-05-07 criteria provided, single submitter clinical testing This variant is denoted TP53 c.575A>G at the cDNA level, p.Gln192Arg (Q192R) at the protein level, and results in the change of a Glutamine to an Arginine (CAG>CGG). This variant has been observed as a somatic mutation in several cancers but has not, to our knowledge, been published in the literature as either a germline pathogenic variant or a benign polymorphism (IARC TP53 Database). TP53 Gln192Arg 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. Since Glutamine and Arginine differ in some properties, this is considered a semi-conservative amino acid substitution. TP53 Gln192Arg occurs at a position that is well conserved across species and is located in the regions responsible for interaction with HIPK1, ZNF385A, FBXO42, and AXIN1 (UniProt). In addition, in silico analyses predict that this variant is probably damaging to protein structure and function. Based on currently available information, it is unclear whether TP53 Gln192Arg is pathogenic or benign. We consider it to be a variant of uncertain significance.

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