2. RCSB Protein Data Bank. (2020, February 26). RCSB PDB - 6VSB: Prefusion 2019-nCoV spike glycoprotein with a single receptor-binding domain up. RCSB PDB. https://www.rcsb.org/structure/6VSB

3. Wrapp, D., Wang, N., Corbett, K., Goldsmith, J., Hsieh, C., Abiona, O., Graham, B., McLellan, J. (2020, March 13). Cryo-EM structure of the 2019-nCoV spike in the prefusion conformation. Science. https://science.sciencemag.org/content/367/6483/1260

4. Castro, E. D. (2020). ScanProsite. ExPASy - PROSITE. https://prosite.expasy.org/cgi-bin/prosite/ScanView.cgi?scanfile=265211645605.scan.gz

5. Spiga, O., Bernini, A., Ciutti, A., Chiellini, S., Menciassi, N., Finetti, F., Causarano, V., Anselmi, F., Prischi, F., & Niccolai, N. (2003). Molecular modelling of S1 and S2 subunits of SARS coronavirus spike glycoprotein. Biochemical and biophysical research communications, 310(1), 78?83. https://doi.org/10.1016/j.bbrc.2003.08.122

6. Wang, H., Yang, P., Liu, K. et al. SARS coronavirus entry into host cells through a novel clathrin- and caveolae-independent endocytic pathway. Cell Res 18, 290?301 (2008). https://doi.org/10.1038/cr.2008.15

7. Xiaolong Tian, Cheng Li, Ailing Huang, Shuai Xia, Sicong Lu, Zhengli Shi, Lu Lu, Shibo Jiang, Zhenlin Yang, Yanling Wu & Tianlei Ying (2020) Potent binding of 2019 novel coronavirus spike protein by a SARS coronavirus-specific human monoclonal antibody, Emerging Microbes & Infections, 9:1, 382-385, DOI: 10.1080/22221751.2020.1729069

8. Molsoft: Molecules in Silico. (2020). ICM-browser. Molsoft L.L.C. https://www.molsoft.com/icm_browser.html

9. Yang, J., Petitjean, S.J.L., Koehler, M. et al. Molecular interaction and inhibition of SARS-CoV-2 binding to the ACE2 receptor. Nat Commun 11, 4541 (2020). https://doi.org/10.1038/s41467-020-18319-6

10. BLAST: Basic local alignment search tool. (2020). BLAST: Basic Local Alignment Search Tool. https://blast.ncbi.nlm.nih.gov/Blast.cgi

11. Holm, L. (2020) DALI and the persistence of protein shape. Protein Science 29, 128-140. 12. Murin, C.D., Bruhn, J.F., Bornholdt, Z.A., Copps, J., Stanfield, R., Ward, A.B. (2018) Cell Rep 24: 2723-2732.e4