The file archive including all the data reported in the main text and the Supporting information.

SourceData.xlsx, the data for reproducing the figures in the main text and S1 Fig; 5x2n_A_nolig.pdb, the coordinates of T1r2aLBD used as the input for docking simulations; LNMA.pdb, the coordinates for a representative docked model of N-methyl-l-alanine, shown in S2B Fig; LAME.pdb, the coordinates for a representative docked model of l-alanine methyl ester, shown in S2C Fig; Lcit.pdb, the coordinates for a representative docked model of l-citrulline, shown in S2D Fig. (ZIP)