1. College of Life Sciences; Zhejiang Sci-Tech University; Hangzhou 310018 China
2. Hangzhou Research Institute of Technical Institute of Physics and Chemistry; Chinese Academy of Sciences; Hangzhou 310018 China
3. BGI Education Center; University of Chinese Academy of Sciences; Shenzhen 518083 China
4. Jiuyuan Gene Engineering Co. LTD; Hangzhou 310018 China
5. Department of Pharmaceutical Chemistry; University of California San Francisco; San Francisco CA 94158 USA