Fig. 1From: K205R specific nanobody-horseradish peroxidase fusions as reagents of competitive ELISA to detect African swine fever virus serum antibodiesExpression and purification of K205R-His protein. AÂ The K205R-His protein was analyzed by SDS-PAGE. B and CÂ Western blotting and iELISA analysis of the antigenic property of the K205R protein using inactivated ASFV antibody-positive serum as the primary antibody. Lane 1: pET30a empty vector control; Lane 2: IPTG, 0.5Â mM; Lane 3: Supernatant soluble K205R protein; Lane 4: Inclusion body of K205R protein; Lane 5: Purified K205R proteinBack to article page