School of Computer Science and Shanghai Key Lab of Intelligent Information Processing.|School of Computer Science and Shanghai Key Lab of Intelligent Information Processing.|Department of Bioinformatics and Biostatistics, Shanghai Jiaotong University, Shanghai, China.|Center for Computational System Biology, ISTBI, Fudan University, Shanghai, China.|Bioinformatics Center, Institute for Chemical Research, Kyoto University, Uji, Kyoto Prefecture, Japan.|School of Computer Science and Shanghai Key Lab of Intelligent Information Processing.