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Literature summary for 2.3.1.9 extracted from

  • Oeljeklaus, S.; Fischer, K.; Gerhardt, B.
    Glyoxysomal acetoacetyl-CoA thiolase and 3-oxoacyl-CoA thiolase from sunflower cotyledons (2002), Planta, 214, 597-607.
    View publication on PubMed

General Stability

General Stability Organism
labile enzyme, partially stabilized by 1-2 mM dithiothreitol and 20% ethylene glycol Helianthus annuus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.011
-
acetoacetyl-CoA
-
Helianthus annuus
0.014
-
CoA
-
Helianthus annuus

Localization

Localization Comment Organism GeneOntology No. Textmining
glyoxysome
-
Helianthus annuus 9514
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
63000
-
x * 63000, SDS-PAGE Helianthus annuus
164000
-
gel filtration Helianthus annuus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
CoA + acetoacetyl-CoA Helianthus annuus
-
acetyl-CoA + acetyl-CoA
-
?

Organism

Organism UniProt Comment Textmining
Helianthus annuus
-
sunflower
-

Purification (Commentary)

Purification (Comment) Organism
hydroxyapatite, Superdex, Fractogel Helianthus annuus

Source Tissue

Source Tissue Comment Organism Textmining
cotyledon
-
Helianthus annuus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
33
-
-
Helianthus annuus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
CoA + acetoacetyl-CoA
-
Helianthus annuus acetyl-CoA + acetyl-CoA
-
?
CoA + acetoacetyl-CoA
-
Helianthus annuus acetyl-CoA + acetyl-CoA
-
ir

Subunits

Subunits Comment Organism
? x * 63000, SDS-PAGE Helianthus annuus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.5
-
505 of maximal activity at pH 7.5 and pH 9.5, no activity below pH 6.5 Helianthus annuus