Coronavirus organization. A model of the coronavirus structure showing the organization of the spike (S), membrane (M), and envelope (E) glycoproteins. The RNA is protected by a helical capsid of N protein monomers.
CREDIT: KATHARINE SUTLIFF

SCIENCE Volume 300, Number 5624, Issue of 30 May 2003, p. 1377.
Copyright © 2004 by The American Association for the Advancement of Science. All rights reserved.