Figure 3From: Identification and characterization of the biosynthetic gene cluster of polyoxypeptin A, a potent apoptosis inducer Verification of the ply gene cluster. LC-MS analysis (extracted ion chromatograms of m/z [M + H]+ 969.5 corresponding to PLYA) of Streptomyces sp. MK498-98 F14 wild type (indicated with WT) and mutants (Δorf1, Δorf11, and ΔplyH).Back to article page