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BRENDA support

Information on EC 1.3.8.2 - 4,4'-diapophytoene desaturase (4,4'-diapolycopene-forming)

for references in articles please use BRENDA:EC1.3.8.2

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IUBMB Comments

Typical of Staphylococcus aureus and some other bacteria such as Heliobacillus sp. Responsible for four successive dehydrogenations. In some species it only proceeds as far as all-trans-4,4'-diaponeurosporene.

The expected taxonomic range for this enzyme is: Bacteria, Archaea, Eukaryota
Reaction Schemes
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Synonyms
diapophytoene desaturase, dehydrosqualene desaturase, more

REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
15-cis-4,4'-diapophytoene + 4 FAD = all-trans-4,4'-diapolycopene + 4 FADH2
show the reaction diagram
overall reaction
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15-cis-4,4'-diapophytoene + FAD = all-trans-4,4'-diapophytofluene + FADH2
show the reaction diagram
(1a)
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all-trans-4,4'-diapo-zeta-carotene + FAD = all-trans-4,4'-diaponeurosporene + FADH2
show the reaction diagram
(1c)
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all-trans-4,4'-diaponeurosporene + FAD = all-trans-4,4'-diapolycopene + FADH2
show the reaction diagram
(1d)
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all-trans-4,4'-diapophytofluene + FAD = all-trans-4,4'-diapo-zeta-carotene + FADH2
show the reaction diagram
(1b)
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