1. National
Glycoengineering Research Center, Shandong Provincial Key Laboratory
of Carbohydrate Chemistry and Glycobiology, Shandong University, Jinan 250100, China
2. Institute
of Biochemistry, College of Life Science, Zhejiang University, Hangzhou 310058, China
3. Department
of Chemistry, University of California, One Shields Avenue, Davis, California 95616, United States
4. Key
Laboratory of Chemical Biology, Ministry of Education, School of Pharmaceutical
Sciences, Shandong University, Jinan 250012, China
5. State Key
Laboratory of Microbiology, Shandong University, Jinan 250100, China