Protein shell enclosing viral genome. Icosahedral (adenovirus, HIV matrix) or helical (TMV, Ebola) symmetry; assembled from identical subunits for genetic economy (Crick-Watson 1956).
Protein shell enclosing viral genome. Icosahedral (adenovirus, HIV matrix) or helical (TMV, Ebola) symmetry; assembled from identical subunits for genetic economy (Crick-Watson 1956).