1.3.5.5: 15-cis-phytoene desaturase
This is an abbreviated version!
For detailed information about 15-cis-phytoene desaturase, go to the full flat file.
Word Map on EC 1.3.5.5
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1.3.5.5
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carotenoid
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herbicide
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zeta-carotene
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agriculture
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bleaching
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norflurazon
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synthesis
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phytofluene
- 1.3.5.5
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carotenoid
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herbicide
- zeta-carotene
- agriculture
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bleaching
- norflurazon
- synthesis
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phytofluene
Reaction
Synonyms
BoPDS, CitPDS1, CrtP, OsPDS, PDS, PDS1, PDS3, phytoene desaturase, plant-type phytoene desaturase
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Natural Substrates Products on EC 1.3.5.5 - 15-cis-phytoene desaturase
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REACTION DIAGRAM
15-cis-phytoene + plastoquinone
9,15,9'-tricis-zeta-carotene + 2 plastoquinol
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the biosynthetic pathway of carotenoid synthesis involves several steps of desaturation requiring free energy, for instance the transition from phytoene to phytofluene achieved by phytoene desaturase. This reaction is associated with a reduction of plastoquinone. The oxidation of the plastoquinol is then achieved by a plastoquinol:oxygen oxidoreductase. Might additionally mediate the reduction of plastoquinone by internal reductants
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9,15,9'-tricis-zeta-carotene + plastoquinol
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15,9'-dicis-phytofluene + plastoquinone
9,15,9'-tricis-zeta-carotene + plastoquinol
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15,9'-dicis-phytofluene + plastoquinone
9,15,9'-tricis-zeta-carotene + plastoquinol
Dunaliella salina CCAP 19/41 (PLY DF15)
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15,9'-dicis-phytofluene + plastoquinone
9,15,9'-tricis-zeta-carotene + plastoquinol
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?
9,15,9'-tricis-zeta-carotene + 2 plastoquinol
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phytoene desaturase is an early enzyme of the carotenoid biosynthetic pathway
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15-cis-phytoene + 2 plastoquinone
9,15,9'-tricis-zeta-carotene + 2 plastoquinol
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overall reaction
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?
15-cis-phytoene + 2 plastoquinone
9,15,9'-tricis-zeta-carotene + 2 plastoquinol
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the biosynthetic pathway of carotenoid synthesis involves several steps of desaturation requiring free energy, for instance the transition from phytoene to phytofluene achieved by phytoene desaturase. This reaction is associated with a reduction of plastoquinone. The oxidation of the plastoquinol is then achieved by a plastoquinol:oxygen oxidoreductase. Might additionally mediate the reduction of plastoquinone by internal reductants
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?
15-cis-phytoene + 2 plastoquinone
9,15,9'-tricis-zeta-carotene + 2 plastoquinol
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?
15-cis-phytoene + 2 plastoquinone
9,15,9'-tricis-zeta-carotene + 2 plastoquinol
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?
9,15,9'-tricis-zeta-carotene + reduced acceptor
phytoene desaturase is an early enzyme of the carotenoid biosynthetic pathway
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15-cis-phytoene + acceptor
9,15,9'-tricis-zeta-carotene + reduced acceptor
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phytoene desaturase is an early enzyme of the carotenoid biosynthetic pathway
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?
15-cis-phytoene + acceptor
9,15,9'-tricis-zeta-carotene + reduced acceptor
phytoene desaturase is an enzyme of the carotenoid biosynthetic pathway
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15,9'-dicis-phytofluene + plastoquinol
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15-cis-phytoene + plastoquinone
15,9'-dicis-phytofluene + plastoquinol
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?
15-cis-phytoene + plastoquinone
15,9'-dicis-phytofluene + plastoquinol
Dunaliella salina CCAP 19/41 (PLY DF15)
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?
15-cis-phytoene + plastoquinone
15,9'-dicis-phytofluene + plastoquinol
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geranylgeranyl diphosphate is catalysed by phytoene synthase and phytoene desaturase to phytoene and phytofluene, respectively. The subsequent steps involve desaturation, isomerisation and cyclisation reactions to form alpha- and beta-carotene stereoisomers, via all-trans lycopene
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additional information
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Dunaliella salina CCAP 19/41 (PLY DF15)
geranylgeranyl diphosphate is catalysed by phytoene synthase and phytoene desaturase to phytoene and phytofluene, respectively. The subsequent steps involve desaturation, isomerisation and cyclisation reactions to form alpha- and beta-carotene stereoisomers, via all-trans lycopene
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