ArticleProtein science : a publication of the Protein Society2023
Evolution of affinity between p53 transactivation domain and MDM2 across the animal kingdom demonstrates high plasticity of motif-mediated interactions.
Article in Protein science : a publication of the Protein Society, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 6 citations in OpenAlex.
- Exploration of extracellular vesicles from porcine endometrial cells for enhancing the development of parthenogenetic embryos.Veterinary and animal science · 2026Article
- The molecular basis for cellular function of intrinsically disordered protein regions.Nature reviews. Molecular cell biology · 2024Review
- Conservation of Affinity Rather Than Sequence Underlies a Dynamic Evolution of the Motif-Mediated p53/MDM2 Interaction in Ray-Finned Fishes.Molecular biology and evolution · 2024Article
- Evolution of affinity between p53 transactivation domain and MDM2 across the animal kingdom demonstrates high plasticity of motif-mediated interactions.Protein science : a publication of the Protein Society · 2023Article
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6 authors at 1 institution in 1 country.
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Abstract
The interaction between the transcription factor p53 and the ubiquitin ligase MDM2 results in the degradation of p53 and is well-studied in cancer biology and drug development. Available sequence data suggest that both p53 and MDM2-family proteins are present across the animal kingdom. However, the interacting regions are missing in some animal groups, and it is not clear whether MDM2 interacts with, and regulates p53 in all species. We used phylogenetic analyses and biophysical measurements to examine the evolution of affinity between the interacting protein regions: a conserved 12-residue intrinsically disordered binding motif in the p53 transactivation domain (TAD) and the folded SWIB domain of MDM2. The affinity varied significantly across the animal kingdom. The p53TAD/MDM2 interaction among jawed vertebrates displayed high affinity, in particular for chicken and human proteins (K
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