Figure 3

Relative abundance of wild type Bliβ compared to congenericBliβ([3,2]Tpa⁹).

E. coli MT21(DE3) cells were cultivated in NMM19 medium supplementedwith (a) indole and (b) 4H-thieno[3,2-b]pyrrole(Tp). Peptides were quantified by HPLC-ESI-MS analysis.