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Literature summary for 2.6.1.42 extracted from

  • Maloney, G.S.; Kochevenko, A.; Tieman, D.M.; Tohge, T.; Krieger, U.; Zamir, D.; Taylor, M.G.; Fernie, A.R.; Klee, H.J.
    Characterization of the branched-chain amino acid aminotransferase enzyme family in tomato (2010), Plant Physiol., 153, 925-936.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
glutathione S-transferase tagged protein expressed in Escherichia coli Solanum pennellii
His-tagged protein expressed in Escherichia coli BL21(DE3), E-GFP fusion protein expressed in Nicotiana benthamiana Solanum lycopersicum
His-tagged protein expressed in Escherichia coli BL21(DE3), E-GFP fusion protein expressed in Nicotiana benthamiana, glutathione S-transferase tagged protein expressed in Escherichia coli Solanum lycopersicum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.14
-
3-methyl-2-oxopentanoic acid SlBCAT4, pH not specified in the publication, 25°C Solanum lycopersicum
0.15
-
3-methyl-2-oxobutanoic acid SlBCAT6, pH not specified in the publication, 25°C Solanum lycopersicum
0.16
-
3-methyl-2-oxopentanoic acid SlBCAT6, pH not specified in the publication, 25°C Solanum lycopersicum
0.19
-
3-methyl-2-oxopentanoic acid SlBCAT3, pH not specified in the publication, 25°C Solanum lycopersicum
0.19
-
3-methyl-2-oxopentanoic acid SlBCAT5, pH not specified in the publication, 25°C Solanum lycopersicum
0.2
-
L-leucine SlBCAT2, pH not specified in the publication, 25°C Solanum lycopersicum
0.21
-
L-leucine SlBCAT6, pH not specified in the publication, 25°C Solanum lycopersicum
0.22
-
4-methyl-2-oxopentanoic acid SlBCAT6, pH not specified in the publication, 25°C Solanum lycopersicum
0.31
-
L-isoleucine SlBCAT2, pH not specified in the publication, 25°C Solanum lycopersicum
0.34
-
4-methyl-2-oxopentanoic acid SlBCAT5, pH not specified in the publication, 25°C Solanum lycopersicum
0.34
-
L-isoleucine SlBCAT6, pH not specified in the publication, 25°C Solanum lycopersicum
0.35
-
4-methyl-2-oxopentanoic acid SlBCAT3, pH not specified in the publication, 25°C Solanum lycopersicum
0.37
-
3-methyl-2-oxobutanoic acid SlBCAT4, pH not specified in the publication, 25°C Solanum lycopersicum
0.41
-
4-methyl-2-oxopentanoic acid SlBCAT4, pH not specified in the publication, 25°C Solanum lycopersicum
0.43
-
L-isoleucine SlBCAT4, pH not specified in the publication, 25°C Solanum lycopersicum
0.56
-
L-leucine SlBCAT1, pH not specified in the publication, 25°C Solanum lycopersicum
0.57
-
L-leucine SlBCAT4, pH not specified in the publication, 25°C Solanum lycopersicum
0.65
-
3-methyl-2-oxobutanoic acid SlBCAT3, pH not specified in the publication, 25°C Solanum lycopersicum
0.67
-
L-isoleucine SlBCAT1, pH not specified in the publication, 25°C Solanum lycopersicum
0.84
-
L-leucine SpBCAT1, pH not specified in the publication, 25°C Solanum pennellii
0.84
-
L-isoleucine SpBCAT1, pH not specified in the publication, 25°C Solanum pennellii
1
-
L-valine SlBCAT1, pH not specified in the publication, 25°C Solanum lycopersicum
1.2
-
3-methyl-2-oxobutanoic acid SlBCAT5, pH not specified in the publication, 25°C Solanum lycopersicum
1.2
-
L-valine SlBCAT6, pH not specified in the publication, 25°C Solanum lycopersicum
1.32
-
L-valine SpBCAT1, pH not specified in the publication, 25°C Solanum pennellii
1.4
-
L-valine SlBCAT2, pH not specified in the publication, 25°C Solanum lycopersicum
1.4
-
L-valine SlBCAT4, pH not specified in the publication, 25°C Solanum lycopersicum
1.8
-
L-leucine SlBCAT5, pH not specified in the publication, 25°C Solanum lycopersicum
2
-
L-valine SlBCAT3, pH not specified in the publication, 25°C Solanum lycopersicum
2.6
-
L-valine SlBCAT5, pH not specified in the publication, 25°C Solanum lycopersicum
2.7
-
L-leucine SlBCAT3, pH not specified in the publication, 25°C Solanum lycopersicum
3.2
-
L-isoleucine SlBCAT5, pH not specified in the publication, 25°C Solanum lycopersicum
4.9
-
L-isoleucine SlBCAT3, pH not specified in the publication, 25°C Solanum lycopersicum
5.5
-
3-methyl-2-oxobutanoic acid SlBCAT2, pH not specified in the publication, 25°C Solanum lycopersicum
5.57
-
3-methyl-2-oxobutanoic acid SlBCAT1, pH not specified in the publication, 25°C Solanum lycopersicum
7.09
-
4-methyl-2-oxopentanoic acid SlBCAT1, pH not specified in the publication, 25°C Solanum lycopersicum
7.09
-
4-methyl-2-oxopentanoic acid SlBCAT2, pH not specified in the publication, 25°C Solanum lycopersicum
11.65
-
3-methyl-2-oxopentanoic acid SlBCAT1, pH not specified in the publication, 25°C Solanum lycopersicum
12.4
-
3-methyl-2-oxopentanoic acid SlBCAT2, pH not specified in the publication, 25°C Solanum lycopersicum

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol
-
Solanum lycopersicum 5829
-
mitochondrion
-
Solanum lycopersicum 5739
-
plastid
-
Solanum lycopersicum 9536
-
vacuole
-
Solanum lycopersicum 5773
-

Organism

Organism UniProt Comment Textmining
Solanum lycopersicum
-
-
-
Solanum pennellii
-
-
-

Purification (Commentary)

Purification (Comment) Organism
Glutathione-Superflow Resin Solanum pennellii
TALON Affinity Purification Resin Solanum lycopersicum
TALON Affinity Purification Resin, Glutathione-Superflow Resin Solanum lycopersicum

Source Tissue

Source Tissue Comment Organism Textmining
fruit
-
Solanum lycopersicum
-
fruit mature green fruit Solanum lycopersicum
-
inflorescence
-
Solanum lycopersicum
-
leaf
-
Solanum lycopersicum
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.012
-
SlBCAT2, substrate L-valine, pH not specified in the publication, 25°C Solanum lycopersicum
0.018
-
SlBCAT2, substrate L-isoleucine, pH not specified in the publication, 25°C Solanum lycopersicum
0.018
-
SlBCAT2, substrate L-leucine, pH not specified in the publication, 25°C Solanum lycopersicum
0.03
-
SlBCAT1, substrate 4-methyl-2-oxopentanoic acid, pH not specified in the publication, 25°C Solanum lycopersicum
0.036
-
SlBCAT6, substrate L-leucine, pH not specified in the publication, 25°C Solanum lycopersicum
0.042
-
SlBCAT1, substrate 3-methyl-2-oxopentanoic acid, pH not specified in the publication, 25°C Solanum lycopersicum
0.042
-
SlBCAT4, substrate L-leucine, pH not specified in the publication, 25°C Solanum lycopersicum
0.048
-
SlBCAT4, substrate 3-methyl-2-oxopentanoic acid, pH not specified in the publication, 25°C Solanum lycopersicum
0.048
-
SlBCAT4, substrate L-isoleucine, pH not specified in the publication, 25°C Solanum lycopersicum
0.048
-
SlBCAT4, substrate L-valine, pH not specified in the publication, 25°C Solanum lycopersicum
0.048
-
SlBCAT6, substrate L-isoleucine, pH not specified in the publication, 25°C Solanum lycopersicum
0.054
-
SlBCAT5, substrate 3-methyl-2-oxobutanoic acid, pH not specified in the publication, 25°C Solanum lycopersicum
0.06
-
SlBCAT1, substrate 3-methyl-2-oxobutanoic acid, pH not specified in the publication, 25°C Solanum lycopersicum
0.06
-
SlBCAT3, substrate 3-methyl-2-oxopentanoic acid, pH not specified in the publication, 25°C Solanum lycopersicum
0.06
-
SlBCAT5, substrate 3-methyl-2-oxopentanoic acid, pH not specified in the publication, 25°C Solanum lycopersicum
0.06
-
SlBCAT6, substrate 3-methyl-2-oxopentanoic acid, pH not specified in the publication, 25°C Solanum lycopersicum
0.06
-
SlBCAT6, substrate L-valine, pH not specified in the publication, 25°C Solanum lycopersicum
0.066
-
SlBCAT3, substrate 4-methyl-2-oxopentanoic acid, pH not specified in the publication, 25°C Solanum lycopersicum
0.072
-
SlBCAT6, substrate 4-methyl-2-oxopentanoic acid, pH not specified in the publication, 25°C Solanum lycopersicum
0.084
-
SlBCAT4, substrate 4-methyl-2-oxopentanoic acid, pH not specified in the publication, 25°C Solanum lycopersicum
0.096
-
SlBCAT1, substrate L-isoleucine, pH not specified in the publication, 25°C Solanum lycopersicum
0.096
-
SlBCAT1, substrate L-leucine, pH not specified in the publication, 25°C Solanum lycopersicum
0.114
-
SlBCAT3, substrate 3-methyl-2-oxobutanoic acid, pH not specified in the publication, 25°C Solanum lycopersicum
0.12
-
SlBCAT1, substrate L-valine, pH not specified in the publication, 25°C Solanum lycopersicum
0.132
-
SlBCAT5, substrate 4-methyl-2-oxopentanoic acid, pH not specified in the publication, 25°C Solanum lycopersicum
0.14
-
SpBCAT1, substrate L-valine, pH not specified in the publication, 25°C Solanum pennellii
0.15
-
SlBCAT4, substrate 3-methyl-2-oxobutanoic acid, pH not specified in the publication, 25°C Solanum lycopersicum
0.17
-
SlBCAT2, substrate 3-methyl-2-oxopentanoic acid, pH not specified in the publication, 25°C Solanum lycopersicum
0.17
-
SpBCAT1, substrate L-isoleucine, pH not specified in the publication, 25°C Solanum pennellii
0.2
-
SpBCAT1, substrate L-leucine, pH not specified in the publication, 25°C Solanum pennellii
0.21
-
SlBCAT2, substrate 3-methyl-2-oxobutanoic acid, pH not specified in the publication, 25°C Solanum lycopersicum
0.21
-
SlBCAT2, substrate 4-methyl-2-oxopentanoic acid, pH not specified in the publication, 25°C Solanum lycopersicum
0.264
-
SlBCAT3, substrate L-valine, pH not specified in the publication, 25°C Solanum lycopersicum
0.276
-
SlBCAT6, substrate 3-methyl-2-oxobutanoic acid, pH not specified in the publication, 25°C Solanum lycopersicum
0.282
-
SlBCAT5, substrate L-leucine, pH not specified in the publication, 25°C Solanum lycopersicum
0.288
-
SlBCAT3, substrate L-leucine, pH not specified in the publication, 25°C Solanum lycopersicum
0.294
-
SlBCAT5, substrate L-valine, pH not specified in the publication, 25°C Solanum lycopersicum
0.39
-
SlBCAT5, substrate L-isoleucine, pH not specified in the publication, 25°C Solanum lycopersicum
0.414
-
SlBCAT3, substrate L-isoleucine, pH not specified in the publication, 25°C Solanum lycopersicum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-isoleucine + 2-oxoglutarate
-
Solanum lycopersicum 3-methyl-2-oxopentanoic acid + L-glutamate
-
r
L-isoleucine + 2-oxoglutarate
-
Solanum pennellii 3-methyl-2-oxopentanoic acid + L-glutamate
-
r
L-leucine + 2-oxoglutarate
-
Solanum lycopersicum 4-methyl-2-oxopentanoic acid + L-glutamate
-
r
L-leucine + 2-oxoglutarate
-
Solanum pennellii 4-methyl-2-oxopentanoic acid + L-glutamate
-
r
L-valine + 2-oxoglutarate
-
Solanum lycopersicum 3-methyl-2-oxobutanoic acid + L-glutamate
-
r
L-valine + 2-oxoglutarate
-
Solanum pennellii 3-methyl-2-oxobutanoic acid + L-glutamate
-
r

Synonyms

Synonyms Comment Organism
branched-chain amino acid aminotransferase 1
-
Solanum lycopersicum
branched-chain amino acid aminotransferase 1
-
Solanum pennellii
branched-chain amino acid aminotransferase 2
-
Solanum lycopersicum
branched-chain amino acid aminotransferase 3
-
Solanum lycopersicum
branched-chain amino acid aminotransferase 4
-
Solanum lycopersicum
branched-chain amino acid aminotransferase 5
-
Solanum lycopersicum
branched-chain amino acid aminotransferase 6
-
Solanum lycopersicum
SlBCAT1
-
Solanum lycopersicum
SlBCAT2
-
Solanum lycopersicum
SlBCAT3
-
Solanum lycopersicum
SlBCAT4
-
Solanum lycopersicum
SlBCAT5
-
Solanum lycopersicum
SlBCAT6
-
Solanum lycopersicum
SpBCAT1
-
Solanum pennellii

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
3.8
-
L-valine SlBCAT2, pH not specified in the publication, 25°C Solanum lycopersicum
7.6
-
L-isoleucine SlBCAT2, pH not specified in the publication, 25°C Solanum lycopersicum
8.1
-
L-leucine SlBCAT2, pH not specified in the publication, 25°C Solanum lycopersicum
11.7
-
4-methyl-2-oxopentanoic acid SlBCAT1, pH not specified in the publication, 25°C Solanum lycopersicum
15.7
-
L-leucine SlBCAT6, pH not specified in the publication, 25°C Solanum lycopersicum
16.3
-
3-methyl-2-oxopentanoic acid SlBCAT1, pH not specified in the publication, 25°C Solanum lycopersicum
17.9
-
L-leucine SlBCAT4, pH not specified in the publication, 25°C Solanum lycopersicum
18.4
-
3-methyl-2-oxopentanoic acid SlBCAT4, pH not specified in the publication, 25°C Solanum lycopersicum
20
-
L-isoleucine SlBCAT4, pH not specified in the publication, 25°C Solanum lycopersicum
20
-
L-isoleucine SlBCAT6, pH not specified in the publication, 25°C Solanum lycopersicum
20.6
-
L-valine SlBCAT4, pH not specified in the publication, 25°C Solanum lycopersicum
22.1
-
3-methyl-2-oxobutanoic acid SlBCAT5, pH not specified in the publication, 25°C Solanum lycopersicum
22.7
-
3-methyl-2-oxopentanoic acid SlBCAT6, pH not specified in the publication, 25°C Solanum lycopersicum
23
-
3-methyl-2-oxobutanoic acid SlBCAT1, pH not specified in the publication, 25°C Solanum lycopersicum
23.6
-
3-methyl-2-oxopentanoic acid SlBCAT3, pH not specified in the publication, 25°C Solanum lycopersicum
23.6
-
3-methyl-2-oxopentanoic acid SlBCAT5, pH not specified in the publication, 25°C Solanum lycopersicum
24
-
L-valine SlBCAT6, pH not specified in the publication, 25°C Solanum lycopersicum
28.1
-
4-methyl-2-oxopentanoic acid SlBCAT3, pH not specified in the publication, 25°C Solanum lycopersicum
28.7
-
4-methyl-2-oxopentanoic acid SlBCAT6, pH not specified in the publication, 25°C Solanum lycopersicum
35
-
4-methyl-2-oxopentanoic acid SlBCAT4, pH not specified in the publication, 25°C Solanum lycopersicum
39.1
-
L-leucine SlBCAT1, pH not specified in the publication, 25°C Solanum lycopersicum
40.8
-
L-isoleucine SlBCAT1, pH not specified in the publication, 25°C Solanum lycopersicum
46.5
-
3-methyl-2-oxobutanoic acid SlBCAT3, pH not specified in the publication, 25°C Solanum lycopersicum
50.5
-
L-valine SlBCAT1, pH not specified in the publication, 25°C Solanum lycopersicum
54.6
-
4-methyl-2-oxopentanoic acid SlBCAT5, pH not specified in the publication, 25°C Solanum lycopersicum
55
-
L-valine SpBCAT1, pH not specified in the publication, 25°C Solanum pennellii
60.6
-
3-methyl-2-oxobutanoic acid SlBCAT4, pH not specified in the publication, 25°C Solanum lycopersicum
67.6
-
3-methyl-2-oxopentanoic acid SlBCAT2, pH not specified in the publication, 25°C Solanum lycopersicum
69.9
-
L-isoleucine SpBCAT1, pH not specified in the publication, 25°C Solanum pennellii
80.2
-
L-leucine SpBCAT1, pH not specified in the publication, 25°C Solanum pennellii
84.3
-
3-methyl-2-oxobutanoic acid SlBCAT2, pH not specified in the publication, 25°C Solanum lycopersicum
84.8
-
4-methyl-2-oxopentanoic acid SlBCAT2, pH not specified in the publication, 25°C Solanum lycopersicum
109.8
-
3-methyl-2-oxobutanoic acid SlBCAT6, pH not specified in the publication, 25°C Solanum lycopersicum
111
-
L-valine SlBCAT3, pH not specified in the publication, 25°C Solanum lycopersicum
118
-
L-leucine SlBCAT5, pH not specified in the publication, 25°C Solanum lycopersicum
121
-
L-leucine SlBCAT3, pH not specified in the publication, 25°C Solanum lycopersicum
123
-
L-valine SlBCAT5, pH not specified in the publication, 25°C Solanum lycopersicum
163
-
L-isoleucine SlBCAT5, pH not specified in the publication, 25°C Solanum lycopersicum
174
-
L-isoleucine SlBCAT3, pH not specified in the publication, 25°C Solanum lycopersicum

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
1
-
3-methyl-2-oxopentanoic acid SlBCAT1, pH not specified in the publication, 25°C Solanum lycopersicum
2
-
4-methyl-2-oxopentanoic acid SlBCAT1, pH not specified in the publication, 25°C Solanum lycopersicum
3
-
L-valine SlBCAT2, pH not specified in the publication, 25°C Solanum lycopersicum
4
-
3-methyl-2-oxobutanoic acid SlBCAT1, pH not specified in the publication, 25°C Solanum lycopersicum
6
-
3-methyl-2-oxopentanoic acid SlBCAT2, pH not specified in the publication, 25°C Solanum lycopersicum
11
-
4-methyl-2-oxopentanoic acid SlBCAT2, pH not specified in the publication, 25°C Solanum lycopersicum
15
-
3-methyl-2-oxobutanoic acid SlBCAT2, pH not specified in the publication, 25°C Solanum lycopersicum
15
-
L-valine SlBCAT4, pH not specified in the publication, 25°C Solanum lycopersicum
20
-
3-methyl-2-oxobutanoic acid SlBCAT5, pH not specified in the publication, 25°C Solanum lycopersicum
20
-
L-valine SlBCAT6, pH not specified in the publication, 25°C Solanum lycopersicum
25
-
L-isoleucine SlBCAT2, pH not specified in the publication, 25°C Solanum lycopersicum
31
-
L-leucine SlBCAT4, pH not specified in the publication, 25°C Solanum lycopersicum
36
-
L-isoleucine SlBCAT3, pH not specified in the publication, 25°C Solanum lycopersicum
40
-
L-leucine SlBCAT2, pH not specified in the publication, 25°C Solanum lycopersicum
42
-
L-valine SpBCAT1, pH not specified in the publication, 25°C Solanum pennellii
45
-
L-leucine SlBCAT3, pH not specified in the publication, 25°C Solanum lycopersicum
47
-
L-isoleucine SlBCAT4, pH not specified in the publication, 25°C Solanum lycopersicum
47
-
L-valine SlBCAT5, pH not specified in the publication, 25°C Solanum lycopersicum
50
-
L-valine SlBCAT1, pH not specified in the publication, 25°C Solanum lycopersicum
51
-
L-isoleucine SlBCAT5, pH not specified in the publication, 25°C Solanum lycopersicum
56
-
L-valine SlBCAT3, pH not specified in the publication, 25°C Solanum lycopersicum
59
-
L-isoleucine SlBCAT6, pH not specified in the publication, 25°C Solanum lycopersicum
61
-
L-isoleucine SlBCAT1, pH not specified in the publication, 25°C Solanum lycopersicum
66
-
L-leucine SlBCAT5, pH not specified in the publication, 25°C Solanum lycopersicum
70
-
L-leucine SlBCAT1, pH not specified in the publication, 25°C Solanum lycopersicum
70
-
3-methyl-2-oxobutanoic acid SlBCAT3, pH not specified in the publication, 25°C Solanum lycopersicum
75
-
L-leucine SlBCAT6, pH not specified in the publication, 25°C Solanum lycopersicum
80
-
4-methyl-2-oxopentanoic acid SlBCAT3, pH not specified in the publication, 25°C Solanum lycopersicum
83
-
L-isoleucine SpBCAT1, pH not specified in the publication, 25°C Solanum pennellii
85
-
4-methyl-2-oxopentanoic acid SlBCAT4, pH not specified in the publication, 25°C Solanum lycopersicum
95
-
L-leucine SpBCAT1, pH not specified in the publication, 25°C Solanum pennellii
120
-
3-methyl-2-oxopentanoic acid SlBCAT3, pH not specified in the publication, 25°C Solanum lycopersicum
120
-
3-methyl-2-oxopentanoic acid SlBCAT5, pH not specified in the publication, 25°C Solanum lycopersicum
130
-
4-methyl-2-oxopentanoic acid SlBCAT6, pH not specified in the publication, 25°C Solanum lycopersicum
131
-
3-methyl-2-oxopentanoic acid SlBCAT4, pH not specified in the publication, 25°C Solanum lycopersicum
140
-
3-methyl-2-oxopentanoic acid SlBCAT6, pH not specified in the publication, 25°C Solanum lycopersicum
160
-
4-methyl-2-oxopentanoic acid SlBCAT5, pH not specified in the publication, 25°C Solanum lycopersicum
164
-
3-methyl-2-oxobutanoic acid SlBCAT4, pH not specified in the publication, 25°C Solanum lycopersicum
730
-
3-methyl-2-oxobutanoic acid SlBCAT6, pH not specified in the publication, 25°C Solanum lycopersicum