Figure 2From: Heterologous expression, immunochemical and computational analysis of recombinant human interferon alpha 2b Restriction analysis of expression vectors containing human interferon alpha 2b gene. Lane 1–2 pET28a-IAS digested with NdeI &BamHI. Two bands corresponding to 5.369 kb pET28a(+) expression vector and 567 bp insert are indicated by arrows, Lane 3 DNA size marker.Back to article page