Plant Cysteine Oxidases are Dioxygenases that Directly Enable Arginyl Transferase-Catalyzed Arginylation of N-End Rule Targets
Mark D. White, Maria Klecker, Richard J. Hopkinson, Daan Weits, Carolin Mueller, Christin Naumann, Rebecca O’Neill, James Wickens, Jiayu Yang, Jonathan C. Brooks-Bartlett, Elspeth F. Garman, Tom N. Grossman, Nico Dissmeyer, Emily Flashman
The paper demonstrates that plant cysteine oxidases (PCOs) catalyze Cys-sulfinic acid formation, enabling arginylation of ERF-VII proteins by ATE1, thus stabilizing them under hypoxia.
bioRxiv · Aug 14, 2016 · PreprintBiochemistry