1. School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
2. NTU Institute of Structural Biology, Nanyang Technological University, Singapore 636921, Singapore
3. Laboratoire de Biologie et Pharmacologie Appliquée (LBPA), UMR8113 CNRS, ENS Paris-Saclay, Gif-sur-Yvette 91190, France