Insitute of Medicinal Biotechnology;
Peking Union Medical College / Chinese Academy of Medical Sciences;
Beijing 100050;
China;
College of Life Science;
Hebei Normal University;
Shijiazhuang 050016;
Hebei;
China;
New Drug Research & Development Center of North China Pharmaceutical Group Corporation;
National Microbial Medicine Engineering & Research Center;
Shijiazhuang 050015;
Hebei;
China;