Research Article

His-FLAG Tag as a Fusion Partner of Glycosylated Human Interferon-Gamma and Its Mutant: Gain or Loss?

Figure 4

SDS-PAGE analysis of the purified target proteins expressed in E. coli BL21(DE3). Lane 1: His6-FLAG-hIFNγ; Lane 2: His6-FLAG-K88Q; Lane M: protein molecular weight markers in kDa. The arrow indicates the position of target recombinant proteins.