
Keywords: aa; amino acid; KS; ent-kaurene synthase; KSL; KS-like; RcKS(L); castor bean (Ricinus communis) KS(L) Euphorbiaceae; AtKS; Arabidopsis thaliana KS Cruciferae; CPP; copalyl diphosphate; CPS; CPP synthase; GC-MS; gas chromatography with mass spectrometric