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Phytoene (/ˈfaɪtoʊiːn/) is a 40-carbon
intermediate in the
biosynthesis of carotenoids. The
synthesis of
phytoene is the
first committed step in the synthesis...
- GGPP are then
coupled by
phytoene synthase to form
phytoene. Next,
phytoene desaturase creates four
double bonds in the
phytoene molecule to form lycopene...
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Phytoene desaturase may
refer to: 15-Cis-
phytoene desaturase,
enzymes involved in the
carotenoid biosynthesis in
plants and
cyanobacteria Phytoene desaturase...
- GGPP
molecules condense via
phytoene synthase (PSY),
forming the 15-cis
isomer of
phytoene. PSY
belongs to the squalene/
phytoene synthase family and is homologous...
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Phytoene synthase (EC 2.5.1.32, prephytoene-diphosphate synthase, 15-cis-
phytoene synthase, PSase, geranylgeranyl-diphosphate geranylgeranyltransferase)...
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Phytoene desaturase (lycopene-forming) (CrtI, four-step
phytoene desaturase) (EC 1.3.99.31, 15-cis-
phytoene:acceptor
oxidoreductase (lycopene-forming))...
- 15-cis-
phytoene desaturases (PDS, plant-type
phytoene desaturases) (EC 1.3.5.5, 15-cis-
phytoene:plastoquinone oxidoreductase), are
enzymes involved in...
- The squalene/
phytoene synthase family represents proteins that
catalyze the head-to-head
condensation of C15 and C20
prenyl units (i.e.
farnesyl diphosphate...
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Phytoene desaturase (3,4-didehydrolycopene-forming) (EC 1.3.99.30, 5-step
phytoene desaturase, five-step
phytoene desaturase,
phytoene desaturase (ambiguous)...
-
Bramley discovered that a
single phytoene desaturase gene (bacterial CrtI) can be used to
produce lycopene from
phytoene in GM tomato,
rather than having...
