KEGG   ENZYME: 2.5.1.69
Entry
EC 2.5.1.69                 Enzyme                                 
Name
lavandulyl diphosphate synthase;
FDS-5;
dimethylallyl-diphosphate:dimethylallyl-diphosphate dimethylallyltransferase (lavandulyl-diphosphate-forming)
Class
Transferases;
Transferring alkyl or aryl groups, other than methyl groups;
Transferring alkyl or aryl groups, other than methyl groups (only sub-subclass identified to date)
Sysname
prenyl-diphosphate:prenyl-diphosphate prenyltransferase (lavandulyl-diphosphate-forming)
Reaction(IUBMB)
2 prenyl diphosphate = diphosphate + lavandulyl diphosphate [RN:R08950]
Reaction(KEGG)
R08950
Substrate
prenyl diphosphate [CPD:C00235]
Product
diphosphate [CPD:C00013];
lavandulyl diphosphate [CPD:C18052]
Comment
Lavandulyl 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. When this enzyme is incubated with prenyl diphosphate and 3-methylbut-3-en-1-yl diphosphate, it also forms the regular monoterpene geranyl diphosphate [2]. The enzyme from Artemisia tridentata (big sagebrush) forms both lavandulyl diphosphate and chrysanthemyl diphosphate (see EC 2.5.1.67, chrysanthemyl diphosphate synthase) when prenyl diphosphate is the sole substrate.
History
EC 2.5.1.69 created 2007
Reference
1  [PMID:12783539]
  Authors
Erickson HK, Poulter CD
  Title
Chrysanthemyl diphosphate synthase. The relationship among chain elongation, branching, and cyclopropanation reactions in the isoprenoid biosynthetic pathway.
  Journal
J Am Chem Soc 125:6886-8 (2003)
DOI:10.1021/ja034520g
  Sequence
Reference
2  [PMID:12782626]
  Authors
Hemmerlin A, Rivera SB, Erickson HK, Poulter CD
  Title
Enzymes encoded by the farnesyl diphosphate synthase gene family in the Big Sagebrush Artemisia tridentata ssp. spiciformis.
  Journal
J Biol Chem 278:32132-40 (2003)
DOI:10.1074/jbc.M213045200
  Sequence
Other DBs
ExplorEnz - The Enzyme Database: 2.5.1.69
IUBMB Enzyme Nomenclature: 2.5.1.69
ExPASy - ENZYME nomenclature database: 2.5.1.69
BRENDA, the Enzyme Database: 2.5.1.69

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