ArticlePloS one2018
p73, like its p53 homolog, shows preference for inverted repeats forming cruciforms.
Article in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed, 11 citations in OpenAlex.
- Reactivation ofInternational journal of molecular sciences · 2026Article
- Interaction of Proteins with Inverted Repeats and Cruciform Structures in Nucleic Acids.International journal of molecular sciences · 2022Review
- Mechanistic Impact of Zinc Deficiency in Human Development.Frontiers in nutrition · 2022Review
- The effect of hairpin loop on the structure and gene expression activity of the long-loop G-quadruplex.Nucleic acids research · 2021Article
- Amino Acid Composition in Various Types of Nucleic Acid-Binding Proteins.International journal of molecular sciences · 2021Review
- The Rich World of p53 DNA Binding Targets: The Role of DNA Structure.International journal of molecular sciences · 2019Review
- Roles of p53 Family Structure and Function in Non-Canonical Response Element Binding and Activation.International journal of molecular sciences · 2019Review
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
p73 is a member of the p53 protein family and has essential functions in several signaling pathways involved in development, differentiation, DNA damage responses and cancer. As a transcription factor, p73 achieves these functions by binding to consensus DNA sequences and p73 shares at least partial target DNA binding sequence specificity with p53. Transcriptional activation by p73 has been demonstrated for more than fifty p53 targets in yeast and/or human cancer cell lines. It has also been shown previously that p53 binding to DNA is strongly dependent on DNA topology and the presence of inverted repeats that can form DNA cruciforms, but whether p73 transcriptional activity has similar dependence has not been investigated. Therefore, we evaluated p73 binding to a set of p53-response elements with identical theoretical binding affinity in their linear state, but different probabilities to form extra helical structures. We show by a yeast-based assay that transactivation in vivo correlated more with the relative propensity of a response element to form cruciforms than to its expected in vitro DNA binding affinity. Structural features of p73 target sites are therefore likely to be an important determinant of its transactivation function.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.