Chai, Jijie, Nieng Yan, Jun Huh, Jia-Wei Wu, Wenyu Li, Bruce Hay, and Yigong Shi. (2003) 2003. “Molecular Mechanism of Reaper-Grim-Hid-Mediated Suppression of DIAP1-Dependent Dronc Ubiquitination”. Nat Struct Biol 10 (11): 892-8. doi:10.1038/nsb989. Reference Link