Affiliation: | 1. Protein Science Key Laboratory of the Ministry of Education, State Key Laboratory of Biomembrane and Membrane Biotechnology, School of Medicine, Tsinghua University, Beijing, People's Republic of China;2. Department of Biomolecular Engineering, Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Tokyo, Japan;3. Department of Microbiology, Harvard Medical School, Boston, MA, USA |