we examined the morphology , protein composition , and stability of the nucleoprotein complexes assembled in cells infected with simian virus 40 mutants belonging to the bc complementation group ( tsbc11 , tsbc208 , tsbc214 , tsb216 , tsbc217 , tsbc248 , tsbc223 , and tsbc274 ) .
C0033684
protein
C0028612
nucleoprotein