ArticleBiochemical and biophysical research communications2011
Yeast ornithine decarboxylase and antizyme form a 1:1 complex in vitro: purification and characterization of the inhibitory complex.
Article in Biochemical and biophysical research communications, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 5 citations in OpenAlex.
- Molecular basis of ubiquitin-independent recognition and degradation of ODC/Antizyme by the 26S proteasome.bioRxiv : the preprint server for biology · 2026Article
- Polyamine metabolism in fungi with emphasis on phytopathogenic species.Journal of amino acids · 2012Article
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5 authors at 2 institutions in 1 country.
Funding
Abstract
Saccharomyces cerevisiae antizyme (AZ) resembles mammalian AZ in its mode of synthesis by translational frameshifting and its ability to inhibit and facilitate the degradation of ornithine decarboxylase (ODC). Despite many studies on the interaction of AZ and ODC, the ODC:AZ complex has not been purified from any source and thus clear information about the stoichiometry of the complex is still lacking. In this study we have studied the yeast antizyme protein and the ODC:AZ complex. The far UV CD spectrum of the full-length antizyme shows that the yeast protein consists of 51% β-sheet, 19% α-helix, and 24% coils. Surface plasmon resonance analyses show that the association constant (K(A)) between yeast AZ and yeast ODC is 6×10(7) (M(-1)). Using purified His-tagged AZ as a binding partner, we have purified the ODC:AZ inhibitory complex. The isolated complex has no ODC activity. The molecular weight of the complex is 90 kDa, which indicates a one to one stoichiometric binding of AZ and ODC in vitro. Comparison of the circular dichroism (CD) spectra of the two individual proteins and of the ODC:AZ complex shows a change in the secondary structure in the complex.
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