1. TEDA School of Biological Sciences and Biotechnology, Nankai University, TEDA, 300457 Tianjin, China
2. Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, College of Life Sciences, Nankai University, 300071 Tianjin, China
3. N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russia