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. 2018 Jun 19;9:828. doi: 10.3389/fpls.2018.00828

FIGURE 2.

FIGURE 2

Characterization of enzymatic activity with HPLC analysis and kinetic features. (A) HPLC profiles show conversion of coniferyl aldehyde to coniferyl alcohol, a-1: reaction product and substrate, a-2: coniferyl aldehyde standard, and a-3: coniferyl alcohol standard. (B) Profiles of HPLC show conversion of sinapyl aldehyde to sinapyl alcohol, b-1: reaction product and substrate, b-2: sinapyl aldehyde standard, and b-3: sinapyl alcohol standard. (C) Profiles of HPLC show conversion of p-coumaryl aldehyde to p-coumaryl alcohol, c-1: reaction product and substrate, c-2: p-coumaryl aldehyde standard, and c-3: p-coumaryl alcohol standard. (D) Km, Vmax, Kcat, and Vcat/Km values were calculated for three substrates. All experiments in A–C were repeated at least three times. All experiments in D were carried out with three replicates to calculate the values.