2.5.1.84: all-trans-nonaprenyl diphosphate synthase [geranyl-diphosphate specific]
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For detailed information about all-trans-nonaprenyl diphosphate synthase [geranyl-diphosphate specific], go to the full flat file.
Reaction
+ 7 isopentenyl diphosphate = 7 diphosphate +
Synonyms
all-trans-nonaprenyl-diphosphate synthase [geranyl-diphosphate specific], EC 2.5.1.11, nonaprenyl diphosphate synthase, nonaprenylpyrophosphate synthetase, OsSPS1, OsSPS2, solanesyl diphosphate synthase, solanesyl-diphosphate synthase, SolPP synthase, SPP synthase, SPP-synthase, SPS, Sps2, ubiquinone:trans-prenyltransferase
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General Information
General Information on EC 2.5.1.84 - all-trans-nonaprenyl diphosphate synthase [geranyl-diphosphate specific]
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metabolism
physiological function
isoform SPS2 weakly complements the yeast coq1 disruptant, which does not form ubiquinone. Transformants produce ubiquinone 9 instead of the native yeast product ubiquinone 6. SPS2 is involved in providing solanesyl diphosphate for plastochinone-9 formation
solanesyl diphosphate is a precursor for solanesol biosynthesis. In the solanesol biosynthetic pathway, isopentenyl diphosphate is first isomerised to form dimethylallyl diphosphate by isopentenyl diphosphate isomerase, Ipi, which then binds to isopentenyl diphosphates one by one in the head-tail mode
metabolism
solanesyl diphosphate is a precursor for solanesol biosynthesis. In the solanesol biosynthetic pathway, isopentenyl diphosphate is first isomerised to form dimethylallyl diphosphate diphsphate by isopentenyl diphosphate isomerase, Ipi, which then binds to isopentenyl diphosphates one by one in the head-tail mode
metabolism
the enzyme interacts with the plastid lipid binding protein fibrillin5 for synthesis of the solanesyl diphosphate tail in plastoquinone-9