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Spectra of phytochelatins (PCs) produced by recombinant AdPCS1-3 proteins in vitro. Average amounts of PCs (PC2 to PC4, either individually or as gross total) produced by AdPCS1-3 enzymes purified from E. coli. Five independent replicates were performed. For each construct, bars marked with the same letter do not significantly differ from each other (Tukey–Kramer test, P>0.05). Bars represent the SD.
