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Literature summary extracted from

  • Schadewaldt, P.
    Determination of branched-chain L-amino-acid aminotransferase activity (2000), Methods Enzymol., 324, 23-32.
    View publication on PubMed

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.6.1.42 0.06
-
(R)-3-methyl-2-oxopentanoate pH 8.0, 25°C, substrate L-glutamate Homo sapiens
2.6.1.42 0.07
-
(R,S)-3-methyl-2-oxopentanoate pH 8.3, 25°C Rattus norvegicus
2.6.1.42 0.09
-
(S)-3-methyl-2-oxopentanoate pH 8.3, 37°C, leucine as amino group donor Homo sapiens
2.6.1.42 0.11
-
3-methyl-2-oxobutanoate pH 8.3, 25°C Rattus norvegicus
2.6.1.42 0.14
-
4-methyl-2-oxopentanoate pH 8.3, 25°C Rattus norvegicus
2.6.1.42 0.17
-
(S)-3-methyl-2-oxopentanoate pH 8.0, 25°C, substrate L-glutamate Homo sapiens
2.6.1.42 0.21
-
2-Oxoisohexanoate pH 8.3, 37°C, leucine as amino group donor Homo sapiens
2.6.1.42 0.3
-
L-leucine pH 8.4, 25°C, 2-oxoglutarate as amino group acceptor Rattus norvegicus
2.6.1.42 0.37
-
2-oxoisopentanoate pH 8.3, 37°C, leucine as amino group donor Homo sapiens
2.6.1.42 0.41
-
2-Oxohexanoate pH 8.3, 37°C, leucine as amino group donor Homo sapiens
2.6.1.42 0.53
-
4-methyl-2-oxopentanoate pH 8.0, 25°C, substrate L-isoleucine Homo sapiens
2.6.1.42 0.56
-
isoleucine pH 8.4, 25°C, 2-oxoglutarate as amino group acceptor Homo sapiens
2.6.1.42 0.61
-
3-methyl-2-oxobutanoate pH 8.0, 25°C, substrate L-isoleucine Homo sapiens
2.6.1.42 0.62
-
L-leucine pH 8.4, 25°C, 2-oxoglutarate as amino group acceptor Homo sapiens
2.6.1.42 0.64
-
2-oxovalerate pH 8.3, 37°C, L-leucine as amino group donor Homo sapiens
2.6.1.42 0.68
-
2-oxoglutarate pH 8.4, 25°C, L-leucine as amino group donor Rattus norvegicus
2.6.1.42 1.52
-
2-oxoglutarate pH 8.3, 37°C, leucine as amino group donor Homo sapiens
2.6.1.42 1.54
-
2-oxooctanoate pH 8.3, 37°C, leucine as amino group donor Homo sapiens
2.6.1.42 1.54
-
L-alloisoleucine pH 8.4, 25°C, 2-oxoglutarate as amino group acceptor Homo sapiens
2.6.1.42 2.4
-
2-oxoglutarate pH 8.4, 25°C, substrate L-alloisoleucine Homo sapiens
2.6.1.42 2.96
-
L-valine pH 8.4, 25°C, 2-oxoglutarate as amino group acceptor Homo sapiens
2.6.1.42 3.62
-
2-oxobutyrate pH 8.3, 37°C, leucine as amino group donor Homo sapiens
2.6.1.42 4
-
2-oxoglutarate pH 8.4, 25°C, valine as amino group donor Homo sapiens
2.6.1.42 4.5
-
L-glutamate pH 8.0, 25°C, (R)-3-methyl-2-oxopentanoate as amino group acceptor Homo sapiens
2.6.1.42 5.5
-
2-oxoglutarate pH 8.4, 25°C, isoleucine as amino group donor Homo sapiens
2.6.1.42 10.4
-
L-glutamate pH 8.0, 25°C, 3-methyl-2-oxobutanoate as amino group acceptor Homo sapiens
2.6.1.42 18.1
-
L-glutamate pH 8.3, 37°C, 4-methyl-2-oxopentanoate as amino group acceptor Homo sapiens
2.6.1.42 21.3
-
L-glutamate pH 8.0, 25°C, (S)-3-methyl-2-oxopentanoate as amino group acceptor Homo sapiens
2.6.1.42 28.3
-
L-glutamate pH 8.0, 25°C, 4-methyl-2-oxopentanoate as amino group acceptor Homo sapiens
2.6.1.42 30.72
-
pyruvate pH 8.3, 37°C, leucine as amino group donor Homo sapiens
2.6.1.42 35.8
-
2-aminobutyrate pH 8.3, 37°C, 4-methyl-2-oxopentanoate as amino group acceptor Homo sapiens

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
2.6.1.42 mitochondrion
-
Homo sapiens 5739
-
2.6.1.42 mitochondrion
-
Rattus norvegicus 5739
-

Organism

EC Number Organism UniProt Comment Textmining
2.6.1.42 Homo sapiens
-
human
-
2.6.1.42 Rattus norvegicus
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.6.1.42
-
Rattus norvegicus

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.6.1.42 brain
-
Rattus norvegicus
-
2.6.1.42 fibroblast
-
Homo sapiens
-
2.6.1.42 heart
-
Rattus norvegicus
-
2.6.1.42 ovary
-
Rattus norvegicus
-
2.6.1.42 placenta
-
Rattus norvegicus
-
2.6.1.42 skin
-
Homo sapiens
-
2.6.1.42 skin
-
Rattus norvegicus
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.6.1.42 L-glutamate + (R)-3-methyl-2-oxopentanoate
-
Homo sapiens L-isoleucine + 2-oxoglutarate
-
?
2.6.1.42 L-glutamate + (S)-3-methyl-2-oxopentanoate
-
Homo sapiens L-isoleucine + 2-oxoglutarate
-
?
2.6.1.42 L-leucine + 2-oxoglutarate
-
Homo sapiens 4-methyl-2-oxopentanoate + L-glutamate
-
r
2.6.1.42 L-leucine + 2-oxoglutarate
-
Rattus norvegicus 4-methyl-2-oxopentanoate + L-glutamate
-
r
2.6.1.42 L-leucine + 3-methyl-2-oxobutanoate
-
Homo sapiens 4-methyl-2-oxopentanoate + L-valine
-
r
2.6.1.42 L-leucine + 3-methyl-2-oxobutanoate
-
Rattus norvegicus 4-methyl-2-oxopentanoate + L-valine
-
?
2.6.1.42 L-leucine + 3-methyl-2-oxopentanoate
-
Homo sapiens 4-methyl-2-oxopentanoate + L-isoleucine
-
r
2.6.1.42 L-leucine + 3-methyl-2-oxopentanoate
-
Rattus norvegicus 4-methyl-2-oxopentanoate + L-isoleucine
-
r
2.6.1.42 L-leucine + 4-methyl-2-oxopentanoate
-
Homo sapiens 4-methyl-2-oxopentanoate + L-leucine
-
r
2.6.1.42 L-leucine + 4-methyl-2-oxopentanoate
-
Rattus norvegicus 4-methyl-2-oxopentanoate + L-leucine
-
r
2.6.1.42 L-norvaline + 4-methyl-2-oxopentanoate
-
Homo sapiens 2-oxopentanoate + L-leucine
-
?