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Literature summary extracted from

  • Aki, K.; Yokojima, A.; Ichihara, A.
    Transaminase of branched chain amino acids. VI. Purification and properties of the hog brain enzyme (1969), J. Biochem., 65, 539-544.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
2.6.1.42 2-mercaptoethanol
-
Sus scrofa

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.6.1.42 0.56
-
L-leucine pH 8.2, 37°C, brain enzyme Sus scrofa
2.6.1.42 0.57
-
2-oxoglutarate pH 8.2, 37°C, brain enzyme Sus scrofa
2.6.1.42 0.67
-
L-isoleucine pH 8.2, 37°C, brain enzyme Sus scrofa
2.6.1.42 1.4
-
L-valine pH8.2, 37°C, brain enzyme Sus scrofa

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
2.6.1.42 cytoplasm
-
Sus scrofa 5737
-
2.6.1.42 mitochondrion
-
Sus scrofa 5739
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
2.6.1.42 39000
-
calculated from S20 Sus scrofa

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.6.1.42 L-isoleucine + 2-oxoglutarate Sus scrofa
-
3-methyl-2-oxopentanoate + L-glutamate
-
r
2.6.1.42 L-leucine + 2-oxoglutarate Sus scrofa
-
4-methyl-2-oxopentanoate + L-glutamate
-
r
2.6.1.42 L-valine + 2-oxoglutarate Sus scrofa
-
3-methyl-2-oxobutanoate + L-glutamate
-
r

Organism

EC Number Organism UniProt Comment Textmining
2.6.1.42 Sus scrofa
-
pig, hog
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.6.1.42
-
Sus scrofa

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.6.1.42 brain
-
Sus scrofa
-
2.6.1.42 heart
-
Sus scrofa
-
2.6.1.42 kidney
-
Sus scrofa
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2.6.1.42 0.7273
-
brain enzyme, substrate L-leucine Sus scrofa

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.6.1.42 L-isoleucine + 2-oxoglutarate
-
Sus scrofa 3-methyl-2-oxopentanoate + L-glutamate
-
r
2.6.1.42 L-isoleucine + oxaloacetate brain enzyme Sus scrofa 3-methyl-2-oxopentanoate + L-aspartate
-
r
2.6.1.42 L-leucine + 2-oxoglutarate
-
Sus scrofa 4-methyl-2-oxopentanoate + L-glutamate
-
r
2.6.1.42 L-norleucine + 2-oxoglutarate brain enzyme Sus scrofa 2-oxohexanoate + L-glutamate
-
r
2.6.1.42 L-norvaline + 2-oxoglutarate brain enzyme Sus scrofa 2-oxopentanoate + L-glutamate
-
r
2.6.1.42 L-valine + 2-oxoglutarate
-
Sus scrofa 3-methyl-2-oxobutanoate + L-glutamate
-
r

Subunits

EC Number Subunits Comment Organism
2.6.1.42 monomer
-
Sus scrofa

Synonyms

EC Number Synonyms Comment Organism
2.6.1.42 EC 2.6.1.6 related Sus scrofa

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.6.1.42 8
-
brain enzyme Sus scrofa
2.6.1.42 8.7
-
heart enzyme Sus scrofa

Cofactor

EC Number Cofactor Comment Organism Structure
2.6.1.42 pyridoxal 5'-phosphate
-
Sus scrofa