1.1.1.319: isoeugenol synthase
This is an abbreviated version!
For detailed information about isoeugenol synthase, go to the full flat file.
Reaction
Synonyms
AIS1, CbIGS1, DcE(I)GS1, DcIGS1, eugenol/isoeugenol synthase, IGS, IGS1, isoeugenol synthase 1, More, PaAIS1, PhIGS1, t-anol/isoeugenol synthase 1
ECTree
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Substrates Products
Substrates Products on EC 1.1.1.319 - isoeugenol synthase
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REACTION DIAGRAM
coniferyl acetate + NADPH + H+
isoeugenol + acetate + NADP+
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CbIGS1 is specific for isoeugenol production
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coniferyl acetate + NADPH + H+
isoeugenol + acetate + NADP+
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r
coniferyl acetate + NADPH + H+
isoeugenol + acetate + NADP+
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?
coniferyl acetate + NADPH + H+
isoeugenol + acetate + NADP+
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?
coniferyl acetate + NADPH + H+
isoeugenol + acetate + NADP+
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GC-MS analysis product analysis
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coniferyl acetate + NADPH + H+
isoeugenol + acetate + NADP+
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PhIGS1 uses a quinone methide intermediate-based mechanism to generate an intermediate to which the reductive transfer of the reducing hydride can then be easily accomplished
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coniferyl acetate + NADPH + H+
isoeugenol + acetate + NADP+
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reaction via a quinone methide-like intermediate
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purified recombinant DcE(I)GS1 catalyzes the formation of eugenol (70% of total products, EC 1.1.1.318), as well as isoeugenol (30% of total products,, EC 1.1.1.319) from coniferyl acetate
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additional information
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the position of the substrate in the active site of PhIGS1 is such that the hydride is transferred to C9 instead of C7, as occurs in Ocimum basilicum eugenol synthase, EC 1.1.1.318
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