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EC 2.5.1.67 Details
EC number
2.5.1.67
Accepted name
chrysanthemyl diphosphate synthase
Reaction
2 prenyl diphosphate = diphosphate + chrysanthemyl diphosphate
Other name(s)
CPPase, dimethylallyl-diphosphate:dimethylallyl-diphosphate dimethylallyltransferase (chrysanthemyl-diphosphate-forming)
Systematic name
prenyl-diphosphate:prenyl-diphosphate prenyltransferase (chrysanthemyl-diphosphate-forming)
Comment
Requires a divalent metal ion for activity, with Mg2+ being better than Mn2+ [1]. Chrysanthemyl diphosphate is a monoterpene with a non-head-to-tail linkage. It is unlike most monoterpenoids, which are derived from geranyl diphosphate and have isoprene units that are linked head-to-tail. The mechanism of its formation is similar to that of the early steps of squalene and phytoene biosynthesis. Chrysanthemyl diphosphate is the precursor of chrysanthemic acid, the acid half of the pyrethroid insecticides found in chrysanthemums.
History
created 2007
EC Tree
2.5.1.12 created 1972, deleted 1976
2.5.1.13 created 1972, deleted 1976
2.5.1.14 created 1972, deleted 1976
2.5.1.37 created 1989, deleted 2004
2.5.1.40 created 1992, deleted 1999