Fig. 4From: High repetitive arginine in the anterior of PCV3 capsid protein is a severe obstacle for its expression in E. coliAnalysis of the purified ΔCAP.A, The ΔCAP-collection profile of HisTrap FF column. 1, Lysis sample before purification; 2, the sample passed through the column; 3–4, Elution sample with eluate containing 100 and 300 mM imidazole, respectively; M: protein marker. B, Western blot analysis of purified protein using positive swine sera of PCV3 infectionBack to article page