Defining a two-pronged structural model for PB1 (Phox/Bem1p) domain interaction in plant auxin responses.

@article{Korasick2015DefiningAT,
  title={Defining a two-pronged structural model for PB1 (Phox/Bem1p) domain interaction in plant auxin responses.},
  author={David A Korasick and Srirupa Chatterjee and Marco Tonelli and Hesam Dashti and Soon Goo Lee and Corey S. Westfall and D. Bruce Fulton and Amy H. Andreotti and Gaya K Amarasinghe and Lucia C Strader and Joseph M Jez},
  journal={The Journal of biological chemistry},
  year={2015},
  volume={290 20},
  pages={
          12868-78
        }
}
Phox/Bem1p (PB1) domains are universal structural modules that use surfaces of different charge for protein-protein association. In plants, PB1-mediated interactions of auxin response factors (ARF) and auxin/indole 3-acetic acid inducible proteins regulate transcriptional events modulated by the phytohormone auxin. Here we investigate the thermodynamic and structural basis for Arabidopsis thaliana ARF7 PB1 domain self-interaction. Isothermal titration calorimetry and NMR experiments indicate… CONTINUE READING
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