PepCyber: P PEP: a database of human protein-protein interactions mediated by phosphoprotein-binding domains. - Wuming Gong; Dihan Zhou; Yongliang Ren; Yejun Wang; Zhixiang Zuo; Yanping Shen; Feifei Xiao; Qi Zhu; Ailing Hong; Xiaochuan Zhou; Xiaolian Gao; Tongbin Li (Nucleic Acids Res., 2008)