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Literature summary for 1.3.8.2 extracted from

  • Raisig, A.; Sandmann, G.
    4,4'-diapophytoene desaturase: catalytic properties of an enzyme from the C30 carotenoid pathway of Staphylococcus aureus (1999), J. Bacteriol., 181, 6184-6187.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Staphylococcus aureus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.01
-
all-trans-4,4'-diapophytofluene pH and temperature not specified in the publication Staphylococcus aureus
0.049
-
15-cis-4,4'-diapophytoene pH and temperature not specified in the publication Staphylococcus aureus
0.245
-
all-trans-4,4'-diapo-zeta-carotene pH and temperature not specified in the publication Staphylococcus aureus

Localization

Localization Comment Organism GeneOntology No. Textmining
membrane it can be assumed that diapophytoene desaturase forms a complex in the membrane that keeps the substrate carotenoids bound until all three double bonds are introduced in the desaturation process Staphylococcus aureus 16020
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
52000
-
1 * 52000, calculated from sequence Staphylococcus aureus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
15-cis-4,4'-diapophytoene + 3 FAD Staphylococcus aureus the enzyme is involved in the C30 carotenoid pathway all-trans-4,4'-diaponeurosporene + 3 FADH2
-
?

Organism

Organism UniProt Comment Textmining
Staphylococcus aureus O07855
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Staphylococcus aureus

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.005
-
pH and temperature not specified in the publication Staphylococcus aureus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
15-cis-4,4'-diapophytoene + 3 FAD
-
Staphylococcus aureus all-trans-4,4'-diaponeurosporene + 3 FADH2
-
?
15-cis-4,4'-diapophytoene + 3 FAD the enzyme is involved in the C30 carotenoid pathway Staphylococcus aureus all-trans-4,4'-diaponeurosporene + 3 FADH2
-
?
15-cis-4,4'-diapophytoene + FAD
-
Staphylococcus aureus all-trans-4,4'-diapophytofluene + FADH2
-
?
all-trans-4,4'-diapo-zeta-carotene + FAD
-
Staphylococcus aureus all-trans-4,4'-diaponeurosporene + FADH2
-
?
all-trans-4,4'-diapophytofluene + FAD
-
Staphylococcus aureus all-trans-4,4'-diapo-zeta-carotene + FADH2
-
?

Subunits

Subunits Comment Organism
monomer 1 * 52000, calculated from sequence Staphylococcus aureus

General Information

General Information Comment Organism
physiological function the enzyme is involved in the C30 carotenoid pathway Staphylococcus aureus