Soluble Expression and Characterization of Biologically Active Bacillus anthracis Protective Antigen in Escherichia coli

Figure 2

Restriction digestion of three different PA constructs. M, DNA marker; lane 1, PA-pQE30 digested with restriction enzymes BamHI/KpnI; lane 2, PA-pPROEXHTa digested with restriction enzymes BamHI/XhoI; lane 3, PA-pET32c digested with restriction enzymes BamHI/SalI.