FIG. 1.
Cryo-EM of KSHV capsids. (A) Sodium dodecyl sulfate-polyacrylamide gel electrophoresis with Coomassie blue staining of purified capsids. The four bands marked with asterisks represent, from the top, the major capsid protein (ORF25), the triplex α-subunit (ORF62), the triplex β-subunit (ORF26), and the small basic capsid protein (ORF65). The identification of these proteins is described in the accompanying paper (26). (B) Cryo-electron micrograph showing a field containing several empty capsids (A-capsids). (C) Distribution over the icosahedral asymmetric unit of the orientations of imaged particles (2). , twofold axis; ▴, threefold axis;
, fivefold axis.