Protein serine/threonine phosphatase-1 dephosphorylates p53 at Ser-15 and Ser-37 to modulate its transcriptional and apoptotic activities

D. W.C. Li, J. P. Liu, P. C. Schmid, R. Schlosser, H. Feng, W. B. Liu, Q. Yan, L. Gong, S. M. Sun, M. Deng, Y. Liu