Ensemble structure the closed state of Lys63-linked diubiquitin in the absence of a ligand - Liu, Zhu; Gong, Zhou; Yang, Ju; Jiang, Wen-Xue; Zhu, Wen-Kai; Guo, Da-Chuan; Zhang, Wei-Ping; Liu, Mai-Li; Tang, Chun (Biological Magnetic Resonance Bank, 2015)