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. Author manuscript; available in PMC: 2011 May 28.
Published in final edited form as: Chem Biol. 2010 May 28;17(5):483–494. doi: 10.1016/j.chembiol.2010.03.015

Figure 2.

Figure 2

HPLC analysis (283 nm) of metabolites produced by wild type and mutant P. aethiopicum strains. The mutant ΔvrtA, ΔgsfA or ΔgsfI no longer produced 1, 2 or 3, respectively. Standards of compounds 1 and 2 are shown. The identity of 3 was established by NMR characterization. Peaks labeled with t have UV spectra and m/z values matching to 4 and can be isomers.