Fig. 1

Expression and characterization of recombinant CSFV E2 and Erns protein. a SDS-PAGE analysis of E2 protein. Lane 1, purified E2 protein; Lane 2, E2 protein treated with PNGase F. b SDS-PAGE analysis of Erns protein. Lane 1, purified Erns protein; Lane 2, Erns protein treated with PNGase F. c Western blot of purified E2 protein. Anti-His antibody was used for the western blot. Lane 1, purified E2 protein; Lane 2, E2 protein treated with PNGase F. d Western blot of purified Erns protein. Anti-His antibody was used for the western blot. Lane 1, purified Erns protein; Lane 2, Erns protein treated with PNGase F