Fig. 3 in 21-Hydroxypregnane 21-O-malonylation, a crucial step in cardenolide biosynthesis, can be achieved by substrate-promiscuous BAHD-type phenolic glucoside malonyltransferases from Arabidopsis thaliana and homolog proteins from Digitalis lanata

Fig. 3. Size exclusion chromatography (SEC) and indication of relative 21MaT activity investigation pools III (A) and IV (B) of the ammonium sulfate precipitation.