Figure 1

Analysis of chimeric VLPs.
(A) Schematic presentation of the chimeric HBc protein construct. (B) SDS-PAGE and Western blot analyses of the E. coli-expressed HBc fusion proteins. Lane M, molecular mass marker; Lane 1, HBc-E1/2; lane 2, HBc-E1; lane 3, HBc-E2; lane 4, HBc (aa1-149). (C) Electron microscopy of HBc-E1/2, HBc-E1, HBc-E2 and HBc(aa1-149) VLPs. (D) Molecular modeling of chimeric VLPs and the VP1(aa208-222) and VP1(aa141-155) epitopes located on the surface of HBc VLPs colored by red and green, respectively. These two epitopes are also shown in the mature EV71 virion (PDB ID:3VBS).