Phosphorylation of guanosine monophosphate reductase triggers a GTP-dependent switch from pro- to anti-oncogenic function of EPHA4

David W. Wolff, Zhiyong Deng, Anna Bianchi, C E Foley, Zhannan Han, Xingyou Wang, Shichen Shen, Masha M. Rosenberg, Sudha Moparthy, Dong Hyun Yun, Jialin Chen, Brian K. Baker, Matthew V. Roll, Andrew J. Magiera, Jun Li, Edward Hurley, M. Laura Feltri, Anderson O. Cox, Jingyun Lee, Cristina M. Furdui, Liang Liu, Wiam Bshara, Leslie E. W. LaConte, Eugene Kandel, Elena B. Pasquale, Jun Qu, Lizbeth Hedstrom, Mikhail A. Nikiforov