Spike protein of SARS-Cov is subject to N-glycosylation and palmitoylation. The chaperone calnexin exclusively helps with protein folding. The end product is a homotrimer (Nal et al, 2005).
Kam, J, Crescenzo-Chaigne, B, Escriou, N, Staropoli, I, Siu, L, Altmeyer, R, Chan, C, van der Werf, S, Yuen, KY, Chu, K, Kien, F, Tse, J, Nal, B
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