Fig. 4From: Construction, expression, and in vitro assembly of virus-like particles of L1 protein of human papillomavirus type 52 in Escherichia coli BL21 DE3Electrophoregram of PCR colonies results to confirm the presence of pETSUMOL1HPV52 inside E. coli BL21 DE3 expression host. M: 100 bp DNA ladder (Vivantis); code number 1–10 represents transformant colonies number. As seen on the picture, 6 samples out of 10 confirmed of having the L1HPV52Back to article page