Fig. 7From: Construction, expression, and in vitro assembly of virus-like particles of L1 protein of human papillomavirus type 52 in Escherichia coli BL21 DE3Proteolytic removal analysis of poly histidine-tagged SUMO fusion protein from L1-HPV52 A SDS-PAGE, B western blot with anti-L152-AP. Lane C1-C4, fraction of cleaved products; lane M molecular weight size marker (kDa)Back to article page