Figure 3From: Identification of two internal signal peptide sequences: critical for classical swine fever virus non-structural protein 2 to trans-localize to the endoplasmic reticulumIdentificantion of the recombinant vector by enzyme digestion. M1, DL15000 marker; M2, DL 2000 marker; M3, Plus DL 2000 marker; 1~12, Enzyme digestion of 12 recombinant vectors by SalIand BamHI.Back to article page