Smurf1 ubiquitin ligase targets Kruppel-like factor KLF2 for ubiquitination and degradation in human lung cancer H1299 cells - Ping Xie; Ying Tang; Shan Shen; Yunyan Wang; Guichun Xing; Yuxin Yin; Fuchu He; Lingqiang Zhang (Biochemical and Biophysical Research Communications, 2011)