The Enzyme Database

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Accepted name: all-trans-decaprenyl-diphosphate synthase
Reaction: (2E,6E)-farnesyl diphosphate + 7 isopentenyl diphosphate = 7 diphosphate + all-trans-decaprenyl diphosphate
For diagram of terpenoid biosynthesis, click here
Other name(s): decaprenyl-diphosphate synthase; decaprenyl pyrophosphate synthetase; polyprenylpyrophosphate synthetase; terpenoidallyltransferase; terpenyl pyrophosphate synthetase; trans-prenyltransferase
Systematic name: (2E,6E)-farnesyl-diphosphate:isopentenyl-diphosphate farnesyltranstransferase (adding 7 isopentenyl units)
Comments: This enzyme catalyses the condensation reactions resulting in the formation of all-trans-decaprenyl diphosphate, the isoprenoid side chain of ubiquinone-10 and menaquinone-10. The enzyme adds seven isopentenyl diphosphate molecules sequentially to farnesyl diphosphate with trans stereochemistry.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Saiki, R., Nagata, A., Kainou, T., Matsuda, H. and Kawamukai, M. Characterization of solanesyl and decaprenyl diphosphate synthases in mice and humans. FEBS J. 272 (2005) 5606–5622. [PMID: 16262699]
[EC created 2010]

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