Figure 7From: Effect of culture medium, host strain and oxygen transfer on recombinant Fab antibody fragment yield and leakage to medium in shaken E. coli culturesSchematic presentation of the Fab expression construct. The Fab fragment is arranged as a bicistronic unit with the light chain (VLCL) and heavy chain (VHCH) in different reading frames. Each chain is equipped with pelB signal sequence in the N-terminus and the heavy chain is fused with C-terminal hexahistidine tag (6xHis). Ptac: tac promoter, SD: Shine-Dalgarno ribosome binding site.Back to article page