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机译:A conserved amino acid residue critical for product and substrate specificity in plant triterpene synthases
John Innes Ctr, Norwich Res Pk, Norwich NR4 7UH, Norfolk, England;
Indiana Univ Purdue Univ, Dept Chem & Chem Biol, Indianapolis, IN 46202 USA;
Univ East Anglia, Sch Chem, Norwich NR4 7TJ, Norfolk, England;
terpenes; natural products; plant defense; cyclization; mutants;