Figure 4From: Recombinant protein expression by targeting pre-selected chromosomal lociAntibody expression after targeting in plasmid-mediated and retrovirally tagged HEK293. The retrovirally (RV) or plasmid-mediated (P) tagged GFP expressing HEK293 cells were targeted with the indicated antibody expression cassettes. Antibody expression levels are given as mean expression of 5 targeted daughter clones (pcd). n.t.: not tested.Back to article page