Stress-induced tyrosine phosphorylation of RtcB modulates IRE1 activity and signaling outputs.
A. Papaioannou, F. G. Centonze, A. Metais, M. Maurel, L. Negroni, M. Gonzales-Quiroz, E. Zare Golchesmeh, A. Blondel, A. C. Koong, C. Hetz, R. Pedeux, M. L. Tremblay, S. J. Mahdizadeh, G. Svensson, L. A. Eriksson, e. chevet
This study identifies RtcB tyrosine phosphorylation as a regulatory mechanism controlling IRE1's dual RNase activities, influencing cell survival or death during ER stress.
bioRxiv · Mar 2, 2020Biochemistry