FIG.2.

Structure of SVDV. (A) Depicted centrally is an SVDV capsid comprising 60 copies of the proteins VP1, -2, -3, and -4. The proteins are shown as “worms” and are color coded (VP1 is blue, VP2 is green, VP3 is red, and VP4 is yellow). A protomeric unit (one copy each of VP1 to -4) is omitted. Around the periphery of the capsid a copy of each of the SVDV proteins is shown as a worm in red. Superimposed on each is a copy of the similar protein from CBV3 (green), CAV9 (yellow), and PV type 3 (blue). The pocket factor is depicted in aquamarine within the VP1 β-barrel. (B) Chain traces of SVDV (red) superimposed on CBV3 (green) around a fivefold vertex. Myristoyl groups are shown as ball-and-stick representations and colored green or red, respectively. Residue Arg 132 is shown as a blue ball-and-stick representation. The ions on the fivefold axis are shown in lilac.