1. Department of Molecular and Cellular Biology Centro Nacional de Biotecnología. CSIC Madrid Spain
2. Electron Microscopy Facility Centro de Biología Molecular Severo Ochoa. CSIC Madrid Spain
3. Cryo‐Electron Microscopy Facility (cryoEM‐CSIC) and Department of Macromolecular Structures Centro Nacional de Biotecnología. CSIC Madrid Spain
4. Nanomaterials and Nanotechnology Research Center (CINN‐CSIC) Health Research Institute of Asturias (ISPA) Oviedo Spain