Structure-based optimization of salt-bridge network across the complex interface of PTPN4 PDZ domain with its peptide ligands in neuroglioma. - Xian Xiao; Qianhua He; Li-Yan Yu; Song-Qing Wang; Yang Li; Hua Yang; Ai-Hua Zhang; Xiao-Hong Ma; Yu-Jie Peng; Bing Chen (Comput. Biol. Chem., 2017)