1. National Glycoengineering Research Center, State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China
2. College of Pharmacy, Nankai University, Tianjin 300071, China
3. Glycobiology Research and Training Center, University of California, San Diego, California 92093, United States
4. Key Laboratory of Chemical Biology of Ministry of Education, School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China
5. Institute of Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou 310058, China