Peking University - College of Chemistry and Molecular Engineering, Tsinghua University - Beijing Advanced Innovation Center for Structural Biology, Peking University - College of Chemistry and Molecular Engineering, Peking University - College of Chemistry and Molecular Engineering, East China University of Science and Technology (ECUST) - State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology (ECUST) - State Key Laboratory of Bioreactor Engineering, Goethe University Frankfurt - Institute for Biophysical Chemistry, East China University of Science and Technology (ECUST) - State Key Laboratory of Bioreactor Engineering, Tsinghua University - Beijing Advanced Innovation Center for Structural Biology, Florida State University - National High Magnetic Field Laboratory and Peking University - College of Chemistry and Molecular Engineering