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. 2020 Dec 30;14(6):2420–2434. doi: 10.1111/1751-7915.13745

Fig. 4.

Fig. 4

Enzymatic activity of YlAro4, YlAro7, YlAro4K221L and Aro7 YlAro7G139S in Y. lipolytica as quantified via Ehrlich metabolite production (in mg l−1). All the strains also overexpressed YlARO8‐YlARO10. The mutated forms of Aro4 (YlAro4K221L) and Aro7 (YlAro7G139S) were equivalent to the feedback‐inhibited forms of the enzymes in S. cerevisiae (ScAro4K229L and ScAro7G141S). 2‐4OHPE: 2‐(4‐hydroxyphenyl)ethanol; 4OHPAA: 4‐hydroxyphenylacetic acid; 2PE: phenylethanol; and PAA: phenylacetic acid.