B Hu, H Guo, P Zhou, ZL Shi - Nature Reviews Microbiology, 2021 - nature.com
… -2 S protein has a full size of 1,273 amino acids, longer than that of SARS-CoV (1,255
amino acids) and known bat SARSr-CoVs (1,245–1,269 amino acids). It is distinct from the S …