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Information on EC 2.5.1.32 - 15-cis-phytoene synthase

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EC Tree
IUBMB Comments
Requires Mn2+ for activity. The enzyme condenses two molecules of geranylgeranyl diphosphate to give prephytoene diphosphate, followed by rearrangement of the cyclopropylcarbinyl intermediate to 15-cis-phytoene.
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Word Map
The expected taxonomic range for this enzyme is: Eukaryota, Bacteria
Reaction Schemes
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Synonyms
AtPSY, CitPsy, CrtB, crtYB, EgcrtB, fruit-specific phytoene synthase, geranylgeranyl-diphosphate geranylgeranyltransferase, phytoene synthase, phytoene synthase 1, phytoene synthase/lycopene cyclase, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
2 geranylgeranyl diphosphate = 15-cis-phytoene + 2 diphosphate
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overall reaction
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2 geranylgeranyl diphosphate = diphosphate + prephytoene diphosphate
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1a
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prephytoene diphosphate = 15-cis-phytoene + diphosphate
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1b
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