title: Biosynthesis of gibberellins. II. Enzymic cyclization of geranylgeranyl pyrophosphate to kaurene.
mesh_terms: D002247:Carbon Isotopes; D002498:Centrifugation; D002845:Chromatography; D003377:Countercurrent Distribution; D011756:Diphosphates / Q000378:metabolism*; D005875:Gibberellins / Q000096:biosynthesis*; D006863:Hydrogen-Ion Concentration; D008025:Ligases / Q000378:metabolism*; D008670:Metals; D010944:Plants / Q000201:enzymology; D013729:Terpenes / Q000096:biosynthesis*
chemical_list: D002247:Carbon Isotopes; D011756:Diphosphates; D005875:Gibberellins; D008670:Metals; D013729:Terpenes; D008025:Ligases