4FJQ:
reference: Rational engineering plasticity residues of sesquiterpene synthases from Artemisia annua: product specificity and catalytic efficiency., Li JX, Fang X, Zhao Q, Ruan JX, Yang CQ, Wang LJ, Miller DJ, Faraldos JA, Allemann RK, Chen XY, Zhang P, Biochem J. 2013 Feb 26. PMID: 23438177

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