Extended Data Fig. 9 |. Characterization and time course of accumulation of the final products.

a, MS/MS (20 eV) spectra of the P1 standard (red) and the biosynthesized major product (black). b, Biosynthesis of final products during the 96-h fermentation process. The 24-h data are not presented because small quantities of product were observed (<10 μg/L), and thus the titer could not be accurately calculated. 1B medium with 4 mM Phe was used to generate the final products. Data are mean ± s.d.; n = 3 biological samples.