1. College of Life Sciences, Nankai University, Tianjin 300071
2. Center for Functional Genomic Research, TEDA College, Nankai University, TEDA, Tianjin 300457, People's Republic of China
3. N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow 119991, Russian Federation
4. School of Molecular and Microbial Biosciences (G08), University of Sydney, Sydney, NSW 2006, Australia