NMR Structures of Single-chain Insulin - Yang, Yanwu; Wan, Zhu-li; Hua, Qing-xin; Phillips, Nelson B.; Huang, Kun; Yeh, I-Ju; Liu, Yule; Hu, Shi-Quan; Hattier, Thomas; Whittaker, Jonathan; Weiss, Michael A. (Biological Magnetic Resonance Bank, 2012)