Fig. 5From: Overexpression of a type III PKS gene affording novel violapyrones with enhanced anti-influenza A virus activitya HPLC traces of the fermentation broths from M1146/pWLI807 without metyrapone (i) and M1146/pWLI807 addition of 2 mM metyrapone (ii). b Relative yields of compounds 1–3, 5, 10 and 13 from M1146/pWLI807 without metyrapone and M1146/pWLI807 addition of 2 mM metyraponeBack to article page