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BRENDA support

Literature summary for 1.2.4.4 extracted from

  • Danner, D.J.; Heffelfinger, S.C.
    Isolation of branched-chain alpha-keto acid dehydrogenase as active complex from bovine liver (1988), Methods Enzymol., 166, 298-302.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
thiamine diphosphate
-
Bos taurus

Localization

Localization Comment Organism GeneOntology No. Textmining
mitochondrion
-
Bos taurus 5739
-

Organism

Organism UniProt Comment Textmining
Bos taurus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
multienzyme complex Bos taurus

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Bos taurus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
5.5
-
multienzyme complex Bos taurus

Storage Stability

Storage Stability Organism
-70°C, multienzyme complex is stable for at least 2 years Bos taurus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3-methyl-2-oxobutanoate + [dihydrolipoyllysine-residue (2-methylpropanoyl)transferase] lipoyllysine
-
Bos taurus [dihydrolipoyllysine-residue (2-methylpropanoyl)transferase] S-(2-methylpropanoyl)dihydrolipoyllysine + CO2
-
?
3-methyl-2-oxopentanoate + [dihydrolipoyllysine-residue (2-methylpropanoyl)transferase] lipoyllysine
-
Bos taurus [dihydrolipoyllysine-residue (2-methylpropanoyl)transferase] S-(2-methylbutanoyl)dihydrolipoyllysine + CO2
-
?
4-methyl-2-oxopentanoate + NAD+ + CoA
-
Bos taurus 3-methylbutanoyl-CoA + CO2 + NADH
-
?

Cofactor

Cofactor Comment Organism Structure
CoA
-
Bos taurus
NAD+
-
Bos taurus