Fig. 2From: Construction of an HRP-streptavidin bound antigen and its application in an ELISA for porcine circovirus 2 antibodiesSDS-PAGE analysis of expressed and affinity column purified SBP-Cap∆41 protein. M protein marker; 1 purified SBP-Cap∆41 protein; 2 pellet of cell lysate after sonication and centrifugation; 3 supernatant of cell lysate after sonication and centrifugation; 4 lysates of pET-28a(+) expressing cellsBack to article page