Fig. 6

GC-MS was used to detect the catalytic product of DnFPPS encoding DnFPPS. a FPP-derived farnesane. b Mass spectrum of farnesane. c Samples extracted from the in vitro reaction mixture containing purified DnFPPS. d Mass spectrum of the 8.67-min peak in c. e A sample extracted from an in vitro reaction mixture containing products from a mock-transformant E. coli mock-purification protocol containing the expression vector pET-28a. f Mass spectrum of the 8.85-min peak in e