1.3.99.30: phytoene desaturase (3,4-didehydrolycopene-forming)
This is an abbreviated version!
For detailed information about phytoene desaturase (3,4-didehydrolycopene-forming), go to the full flat file.
Reaction
+ 5 acceptor = + 5 reduced acceptor
Synonyms
Al-1, CarB, CrtI, PDS, phytoene desaturase
ECTree
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Substrates Products
Substrates Products on EC 1.3.99.30 - phytoene desaturase (3,4-didehydrolycopene-forming)
for references in articles please use BRENDA:EC1.3.99.30
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REACTION DIAGRAM
1-hydroxylycopene + acceptor
1-hydroxy-3',4'-didehydrolycopene + reduced acceptor
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Substrates: -
Products: -
Products: -
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1-hydroxyneurosporene + acceptor
1-hydroxylycopene + reduced acceptor
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Substrates: -
Products: -
Products: -
?
all-trans-3,4-didehydrolycopene + 5 reduced acceptor
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Substrates: -
Products: -
Products: -
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15-cis-phytoene + 5 acceptor
all-trans-3,4-didehydrolycopene + 5 reduced acceptor
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Substrates: the enzyme is involved in the carotenoid biosynthesis pathway to beta-carotene and torulene
Products: -
Products: -
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15-cis-phytoene + 5 acceptor
all-trans-3,4-didehydrolycopene + 5 reduced acceptor
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Substrates: -
Products: -
Products: -
?
15-cis-phytoene + 5 acceptor
all-trans-3,4-didehydrolycopene + 5 reduced acceptor
-
Substrates: a decisive reaction for the formation of monocyclic or bicyclic products is the desaturation sequence to lycopene and further on to 3,4-didehydrolycopene. In the nontransformed strain, cyclization of lycopene, which directs the metabolic flux towards astaxanthin, is the dominating reaction. When the gene encoding phytoene desaturase is overexpressed, the five-step desaturation to 3,4-didehydrolycopene is intensified, resulting in an accumulation of torulene and 3-hydroxy-3'-4'-didehydro-beta-psi-caroten-4-one as subsequent products
Products: -
Products: -
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15-cis-phytoene + 5 acceptor
all-trans-3,4-didehydrolycopene + 5 reduced acceptor
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Substrates: -
Products: -
Products: -
?
15-cis-phytoene + 5 acceptor
all-trans-3,4-didehydrolycopene + 5 reduced acceptor
-
Substrates: a decisive reaction for the formation of monocyclic or bicyclic products is the desaturation sequence to lycopene and further on to 3,4-didehydrolycopene. In the nontransformed strain, cyclization of lycopene, which directs the metabolic flux towards astaxanthin, is the dominating reaction. When the gene encoding phytoene desaturase is overexpressed, the five-step desaturation to 3,4-didehydrolycopene is intensified, resulting in an accumulation of torulene and 3-hydroxy-3'-4'-didehydro-beta-psi-caroten-4-one as subsequent products
Products: -
Products: -
?
all-trans-phytofluene + reduced acceptor
Substrates: -
Products: -
Products: -
?
15-cis-phytoene + acceptor
all-trans-phytofluene + reduced acceptor
Substrates: -
Products: -
Products: -
?
15-cis-phytoene + acceptor
all-trans-phytofluene + reduced acceptor
Substrates: -
Products: -
Products: -
?
15-cis-phytoene + acceptor
all-trans-phytofluene + reduced acceptor
Substrates: -
Products: -
Products: -
?
15-cis-phytoene + acceptor
all-trans-phytofluene + reduced acceptor
Substrates: -
Products: -
Products: -
?
15-cis-phytoene + acceptor
all-trans-phytofluene + reduced acceptor
Substrates: -
Products: -
Products: -
?
15-cis-phytoene + acceptor
all-trans-phytofluene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-3,4-didehydrolycopene + 1 reduced acceptor
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Substrates: -
Products: -
Products: -
?
all-trans-lycopene + 1 acceptor
all-trans-3,4-didehydrolycopene + 1 reduced acceptor
-
Substrates: -
Products: -
Products: -
?
all-trans-3,4-didehydrolycopene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-lycopene + acceptor
all-trans-3,4-didehydrolycopene + reduced acceptor
-
Substrates: -
Products: -
Products: -
?
all-trans-lycopene + acceptor
all-trans-3,4-didehydrolycopene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-lycopene + acceptor
all-trans-3,4-didehydrolycopene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-lycopene + acceptor
all-trans-3,4-didehydrolycopene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-lycopene + acceptor
all-trans-3,4-didehydrolycopene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-lycopene + acceptor
all-trans-3,4-didehydrolycopene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-lycopene + acceptor
all-trans-3,4-didehydrolycopene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-3,4-didehydrolycopene + 2 reduced acceptor
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Substrates: -
Products: -
Products: -
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all-trans-neurosporene + 2 acceptor
all-trans-3,4-didehydrolycopene + 2 reduced acceptor
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Substrates: -
Products: -
Products: -
?
all-trans-neurosporene + 2 acceptor
all-trans-3,4-didehydrolycopene + 2 reduced acceptor
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Substrates: -
Products: -
Products: -
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all-trans-lycopene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-neurosporene + acceptor
all-trans-lycopene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-neurosporene + acceptor
all-trans-lycopene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-neurosporene + acceptor
all-trans-lycopene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-neurosporene + acceptor
all-trans-lycopene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-neurosporene + acceptor
all-trans-lycopene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-neurosporene + acceptor
all-trans-lycopene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-3,4-didehydrolycopene + 4 reduced acceptor
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Substrates: -
Products: -
Products: -
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all-trans-phytofluene + 4 acceptor
all-trans-3,4-didehydrolycopene + 4 reduced acceptor
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Substrates: -
Products: -
Products: -
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all-trans-phytofluene + 4 acceptor
all-trans-3,4-didehydrolycopene + 4 reduced acceptor
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Substrates: -
Products: -
Products: -
?
all-trans-zeta-carotene + reduced acceptor
Substrates: -
Products: -
Products: -
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all-trans-phytofluene + acceptor
all-trans-zeta-carotene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-phytofluene + acceptor
all-trans-zeta-carotene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-phytofluene + acceptor
all-trans-zeta-carotene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-phytofluene + acceptor
all-trans-zeta-carotene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-phytofluene + acceptor
all-trans-zeta-carotene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-phytofluene + acceptor
all-trans-zeta-carotene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-3,4-didehydrolycopene + 3 reduced acceptor
-
Substrates: -
Products: -
Products: -
?
all-trans-zeta-carotene + 3 acceptor
all-trans-3,4-didehydrolycopene + 3 reduced acceptor
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Substrates: -
Products: -
Products: -
?
all-trans-neurosporene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-zeta-carotene + acceptor
all-trans-neurosporene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-zeta-carotene + acceptor
all-trans-neurosporene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-zeta-carotene + acceptor
all-trans-neurosporene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-zeta-carotene + acceptor
all-trans-neurosporene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-zeta-carotene + acceptor
all-trans-neurosporene + reduced acceptor
Substrates: -
Products: -
Products: -
?
all-trans-zeta-carotene + acceptor
all-trans-neurosporene + reduced acceptor
Substrates: -
Products: -
Products: -
?
?
-
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Substrates: gamma-carotene and 1,1'-dihydroxylycopene are not accepted as substrate
Products: -
Products: -
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additional information
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Substrates: catalyzes both enzymatic conversion of phytoene to lycopene (fourth step product) and 3,4-didehydrolycopene (fifth step product), reactions of EC 1.3.99.30 and EC 1.3.99.31, respectively
Products: -
Products: -
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additional information
?
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Substrates: catalyzes both enzymatic conversion of phytoene to lycopene (fourth step product) and 3,4-didehydrolycopene (fifth step product), reactions of EC 1.3.99.30 and EC 1.3.99.31, respectively
Products: -
Products: -
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