Figure 4

StnR/K3/Q1-catalyzed biosynthesis of (2S,3R)- and (2S,3S)-β-MeTrp from L-Trp and the modified biosynthetic pathway of STN.
StnR/K3/Q1-catalyzed biosynthesis of (2S,3R)- and (2S,3S)-β-MeTrp from L-Trp and the modified biosynthetic pathway of STN.