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RNA and protein blot analyses and SMT activity in transformed E. californica cells. (A) RNA blot. (B) Protein blot. (C) Relative enzyme activity. CJWT, cultured Coptis cells; ECWT, nontransformed E. californica cells; ECSMT, transformed E. californica cells with Coptis SMT; E. coli SMT, recombinant SMT produced in Escherichia coli.
