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Literature summary for 1.2.4.1 extracted from

  • Randall, D.D.
    Pyruvate dehydrogenase complex from broccoli and cauliflower (1982), Methods Enzymol., 89, 408-414.
No PubMed abstract available

General Stability

General Stability Organism
very sensitive to freezing and thawing Brassica oleracea

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.25
-
pyruvate
-
Brassica oleracea

Localization

Localization Comment Organism GeneOntology No. Textmining
mitochondrion
-
Brassica oleracea 5739
-

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+
-
Brassica oleracea

Organism

Organism UniProt Comment Textmining
Brassica oleracea
-
var. italica, cauliflower, broccoli
-

Purification (Commentary)

Purification (Comment) Organism
pyruvate dehydrogenase complex composed of EC 1.2.4.1, EC 2.3.1.12, EC 1.8.1.4 Brassica oleracea

Storage Stability

Storage Stability Organism
-20°C, N2-atmosphere, addition of sulfhydryl compounds, several weeks Brassica oleracea

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
pyruvate + lipoamide
-
Brassica oleracea S-acetyldihydrolipoamide + CO2
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
additional information
-
value for pyruvate dehydrogenase complex: 7.5-8.2 Brassica oleracea

Cofactor

Cofactor Comment Organism Structure
thiamine diphosphate
-
Brassica oleracea