Fig. 3From: Biochemical characterization of a regiospecific flavonoid 3'-O-methyltransferase from orangePurification of recombinant CsOMT16 (a) and CsOMT30 (b) proteins expressed in E. coli. M, size marker; 1, crude extract from IPTG-induced culture of the E. coli transformants; 2, affinity-purified recombinant CsOMT proteinBack to article page