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(2-aminophenyl)alanine + 2-oxoglutarate
3-(4-aminophenyl)-2-oxopropanoate + L-glutamate
-
10% of the activity that with L-tyrosine
-
?
(3-fluorophenyl)alanine + 2-oxoglutarate
3-(3-fluorophenyl)-2-oxopropanoate + L-glutamate
-
4% of the activity that with L-tyrosine
-
?
(4-chlorophenyl)alanine + 2-oxoglutarate
3-(3-chlorophenyl)-2-oxopropanoate + L-glutamate
-
17% of the activity with L-tyrosine
-
?
(4-fluorophenyl)alanine + 2-oxoglutarate
3-(4-fluorophenyl)-2-oxopropanoate + L-glutamate
-
7.9% of the activity that with L-tyrosine
-
?
(R)-3-amino-5-methyl-hexanoic acid + 2-oxoglutarate
?
relative activity: 48%
-
-
?
(S)-beta-phenylalanine + 2-oxoglutarate
3-oxo-3-phenylpropionic acid + L-glutamate
relative activity: 100%
-
-
?
(S)-beta-phenylalanine + pyruvate
3-oxo-3-phenylpropionic acid + L-alanine
the activity of VpAT with pyruvate is 85% of that with alpha-ketoglutarate as the amino acceptor
-
-
?
2-oxoglutarate + L-phenylalanine
L-glutamate + phenylpyruvate
-
-
-
?
3,4-dihydroxyphenylalanine + 2-oxoglutarate
3-(3,4-dihydroxyphenyl)-2-oxopropanoate + L-glutamate
3-(4-hydroxyphenyl)-2-oxopropanoate + L-glutamate
L-tyrosine + 2-oxoglutarate
-
-
-
r
3-aminotyrosine + 2-oxoglutarate
3-(3-amino-4-hydroxyphenyl)-2-oxopropanoate + L-glutamate
-
16% of the activity than with L-tyrosine
-
?
3-iodotyrosine + 2-oxoglutarate
3-(4-hydroxy-3-iodophenyl)-2-oxopropanoate + L-glutamate
3-methoxytyrosine + 2-oxoglutarate
3-(3-methoxy-4-hydroxyphenyl)-2-oxopropanoate + L-glutamate
-
22% of the activity with L-tyrosine
-
?
4-hydroxyphenylpyruvate + L-aspartate
L-tyrosine + oxaloacetate
-
35% of the activity with L-glutamate
-
r
4-hydroxyphenylpyruvate + L-glutamate
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-phenylalanine
L-glutamate + phenylpyruvate
-
-
-
?
4-methylthio-2-oxobutanoate + L-glutamate
?
-
-
-
r
L-alanine + 2-oxoglutarate
pyruvate + L-glutamate
L-alanine + 2-oxoisocaproate
pyruvate + 2-aminoisocaproate
-
-
-
?
L-arginine + 2-oxoglutarate
?
-
-
-
r
L-asparagine + 2-oxoglutarate
2-oxosuccinamate + L-glutamate
L-aspartate + 2-oxoglutarate
oxaloacetate + L-glutamate
L-cysteine + 2-oxoglutarate
3-mercapto-2-oxopropanoate + L-glutamate
L-ethionine + 2-oxoglutarate
4-ethylsulfanyl-2-oxobutanoate + L-glutamate
-
17% of the activity than with L-tyrosine
-
?
L-glutamate + 4-hydroxyphenylpyruvate
2-oxoglutarate + L-tyrosine
L-glutamate + 4-hydroxyphenylpyruvate
L-tyrosine + 2-oxoglutarate
-
-
-
-
?
L-glutamate + oxaloacetate
?
-
-
-
-
r
L-glutamate + oxaloacetate
L-aspartate + 2-oxoglutarate
-
-
-
-
?
L-glutamate + phenylpyruvate
2-oxoglutarate + L-phenylalanine
L-glutamate + pyruvate
L-alanine + 2-oxoglutarate
-
-
-
-
?
L-glutamine + 2-oxoglutarate
5-amino-2,5-dioxopentanoic acid + L-glutamate
-
-
-
r
L-histidine + 2-oxoglutarate
3-(1H-imidazol-4-yl)-2-oxopropanoic acid + L-glutamate
-
-
-
r
L-leucine + 2-oxoglutarate
4-methyl-2-oxopentanoic acid + L-glutamate
-
-
-
r
L-methionine + 2-oxoglutarate
4-methylsulfanyl-2-oxobutanoate + L-glutamate
L-phenylalanine + 2-oxoglutarate
2-oxo-3-phenylpropanoate + L-glutamate
L-phenylalanine + 2-oxoglutarate
L-glutamate + phenylpyruvate
-
-
-
-
?
L-phenylalanine + 2-oxoglutarate
phenylpyruvate + L-glutamate
L-phenylalanine + pyruvate
phenylpyruvate + L-alanine
-
-
-
r
L-serine + 2-oxoglutarate
3-hydroxy-2-oxopropanoic acid + L-glutamate
-
-
-
r
L-tryptophan + 2-oxoglutarate
3-(1H-indol-3-yl)-2-oxopropanoate + L-glutamate
L-tryptophan + oxaloacetate
3-(1H-indol-3-yl)-2-oxopropanoate + L-glycine
-
-
-
-
?
L-tryptophan + pyruvate
3-(1H-indol-3-yl)-2-oxopropanoate + L-alanine
L-tyrosine + 2-oxoglutarate
3-(4-hydroxyphenyl)-2-oxopropanoate + L-glutamate
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
L-tyrosine + 2-oxohexanoate
3-(4-hydroxyphenyl)-2-oxopropanoate + (2S)-2-aminohexanoate
-
-
-
-
?
L-tyrosine + 2-oxopentanoate
3-(4-hydroxyphenyl)-2-oxopropanoate + (2S)-2-aminopentanoate
relative activity compared to 2-oxoglutarate: 3%
-
-
?
L-tyrosine + 4-methylthio-2-oxobutanoate
?
-
-
-
r
L-tyrosine + alpha-ketomethiobutyrate
?
-
-
-
r
L-tyrosine + oxaloacetate
4-hydroxyphenylpyruvate + L-aspartate
L-tyrosine + oxaloacetate
?
relative activity compared to 2-oxoglutarate: 75%
-
-
?
L-tyrosine + phenylpyruvate
3-(4-hydroxyphenyl)-2-oxopropanoate + L-phenylalanine
L-tyrosine + phenylpyruvate
4-hydroxyphenylpyruvate + L-phenylalanine
L-tyrosine + prephenate
?
relative activity compared to 2-oxoglutarate: 23%
-
-
?
L-tyrosine + pyruvate
4-hydroxyphenylpyruvate + L-alanine
L-tyrosine + pyruvate
?
relative activity compared to 2-oxoglutarate: 40%
-
-
?
oxaloacetate + L-glutamate
L-aspartate + 2-oxoglutarate
-
-
-
r
phenylpyruvate + L-glutamate
2-oxoglutarate + L-phenylalanine
-
-
-
r
rac-2-fluoro-beta-phenylalanine + 2-oxoglutarate
?
relative activity: 15%
-
-
?
rac-2-methyl-beta-phenylalanine + 2-oxoglutarate
?
relative activity: 5%
-
-
?
rac-3-bromo-beta-phenylalanine + 2-oxoglutarate
?
relative activity: 53%
-
-
?
rac-3-chloro-beta-phenylalanine + 2-oxoglutarate
?
relative activity: 56%
-
-
?
rac-3-fluoro-beta-phenylalanine + 2-oxoglutarate
?
relative activity: 48%
-
-
?
rac-3-methyl-beta-phenylalanine + 2-oxoglutarate
?
relative activity: 54%
-
-
?
rac-4-bromo-beta-phenylalanine + 2-oxoglutarate
?
relative activity: 62%
-
-
?
rac-4-ethyl-beta-phenylalanine + 2-oxoglutarate
?
relative activity: 134%
-
-
?
rac-4-fluoro-beta-phenylalanine + 2-oxoglutarate
?
relative activity: 87%
-
-
?
rac-4-iso-propyl-beta-phenylalanine + 2-oxoglutarate
?
relative activity: 61%
-
-
?
rac-4-methyl-beta-phenylalanine + 2-oxoglutarate
?
relative activity: 100%
-
-
?
rac-4-nitro-beta-phenylalanine + 2-oxoglutarate
?
relative activity: 32%
-
-
?
rac-4-nitro-hydroxy-phenylalanine + 2-oxoglutarate
?
relative activity: 61%
-
-
?
rac-4-propyl-beta-phenylalanine + 2-oxoglutarate
?
relative activity: 126%
-
-
?
rac-4-trifluoromethyl-beta-phenylalanine + 2-oxoglutarate
?
relative activity: 73%
-
-
?
rac-beta-leucine + 2-oxoglutarate
?
relative activity: 38%
-
-
?
rac-beta-phenylalanine + 2-oxoglutarate
?
relative activity: 100%
-
-
?
tryptophan + 2-oxoglutarate
3-indole-2-oxopropanoate + L-glutamate
additional information
?
-
3,4-dihydroxyphenylalanine + 2-oxoglutarate

3-(3,4-dihydroxyphenyl)-2-oxopropanoate + L-glutamate
-
-
-
?
3,4-dihydroxyphenylalanine + 2-oxoglutarate
3-(3,4-dihydroxyphenyl)-2-oxopropanoate + L-glutamate
-
85% of the activity than with L-tyrosine
-
?
3-iodotyrosine + 2-oxoglutarate

3-(4-hydroxy-3-iodophenyl)-2-oxopropanoate + L-glutamate
-
as effective as L-tyrosine
-
?
3-iodotyrosine + 2-oxoglutarate
3-(4-hydroxy-3-iodophenyl)-2-oxopropanoate + L-glutamate
-
84% of the activity than with L-tyrosine
-
?
4-hydroxyphenylpyruvate + L-glutamate

L-tyrosine + 2-oxoglutarate
-
-
-
r
4-hydroxyphenylpyruvate + L-glutamate
L-tyrosine + 2-oxoglutarate
favoured direction of reaction for isoform TAT2
-
-
r
L-alanine + 2-oxoglutarate

pyruvate + L-glutamate
-
-
-
r
L-alanine + 2-oxoglutarate
pyruvate + L-glutamate
-
-
-
?
L-asparagine + 2-oxoglutarate

2-oxosuccinamate + L-glutamate
-
-
-
r
L-asparagine + 2-oxoglutarate
2-oxosuccinamate + L-glutamate
-
15% of the activity with L-tyrosine
-
?
L-aspartate + 2-oxoglutarate

oxaloacetate + L-glutamate
-
isoenzymes TAT-2 and TAT-3, best substrate for isoenzyme TAT-3
-
?
L-aspartate + 2-oxoglutarate
oxaloacetate + L-glutamate
-
higher activity than with L-tyrosine
-
?
L-cysteine + 2-oxoglutarate

3-mercapto-2-oxopropanoate + L-glutamate
-
-
-
r
L-cysteine + 2-oxoglutarate
3-mercapto-2-oxopropanoate + L-glutamate
-
higher activity than with L-tyrosine
-
?
L-glutamate + 4-hydroxyphenylpyruvate

2-oxoglutarate + L-tyrosine
-
-
-
-
?
L-glutamate + 4-hydroxyphenylpyruvate
2-oxoglutarate + L-tyrosine
-
-
-
-
r
L-glutamate + 4-hydroxyphenylpyruvate
2-oxoglutarate + L-tyrosine
-
-
-
?
L-glutamate + phenylpyruvate

2-oxoglutarate + L-phenylalanine
-
-
-
r
L-glutamate + phenylpyruvate
2-oxoglutarate + L-phenylalanine
-
-
-
-
r
L-methionine + 2-oxoglutarate

4-methylsulfanyl-2-oxobutanoate + L-glutamate
-
-
-
r
L-methionine + 2-oxoglutarate
4-methylsulfanyl-2-oxobutanoate + L-glutamate
-
-
-
-
?
L-methionine + 2-oxoglutarate
4-methylsulfanyl-2-oxobutanoate + L-glutamate
-
20% of the activity than with L-tyrosine
-
?
L-phenylalanine + 2-oxoglutarate

2-oxo-3-phenylpropanoate + L-glutamate
-
-
-
r
L-phenylalanine + 2-oxoglutarate
2-oxo-3-phenylpropanoate + L-glutamate
-
-
-
-
?
L-phenylalanine + 2-oxoglutarate
2-oxo-3-phenylpropanoate + L-glutamate
-
-
-
-
?
L-phenylalanine + 2-oxoglutarate

phenylpyruvate + L-glutamate
-
-
-
r
L-phenylalanine + 2-oxoglutarate
phenylpyruvate + L-glutamate
-
-
-
?
L-phenylalanine + 2-oxoglutarate
phenylpyruvate + L-glutamate
-
-
-
-
r
L-phenylalanine + 2-oxoglutarate
phenylpyruvate + L-glutamate
-
-
-
?
L-phenylalanine + 2-oxoglutarate
phenylpyruvate + L-glutamate
-
-
-
?
L-phenylalanine + 2-oxoglutarate
phenylpyruvate + L-glutamate
-
lower activity than with L-tyrosine
-
?
L-phenylalanine + 2-oxoglutarate
phenylpyruvate + L-glutamate
-
higher rate than with L-tyrosine
-
?
L-phenylalanine + 2-oxoglutarate
phenylpyruvate + L-glutamate
-
no activity
-
?
L-tryptophan + 2-oxoglutarate

3-(1H-indol-3-yl)-2-oxopropanoate + L-glutamate
-
-
-
r
L-tryptophan + 2-oxoglutarate
3-(1H-indol-3-yl)-2-oxopropanoate + L-glutamate
-
-
-
-
?
L-tryptophan + 2-oxoglutarate
3-(1H-indol-3-yl)-2-oxopropanoate + L-glutamate
-
-
-
-
r
L-tryptophan + pyruvate

3-(1H-indol-3-yl)-2-oxopropanoate + L-alanine
-
-
-
r
L-tryptophan + pyruvate
3-(1H-indol-3-yl)-2-oxopropanoate + L-alanine
-
-
-
-
?
L-tyrosine + 2-oxoglutarate

3-(4-hydroxyphenyl)-2-oxopropanoate + L-glutamate
best substrate
-
-
r
L-tyrosine + 2-oxoglutarate
3-(4-hydroxyphenyl)-2-oxopropanoate + L-glutamate
-
-
-
-
?
L-tyrosine + 2-oxoglutarate

4-hydroxyphenylpyruvate + L-glutamate
-
highly specific for: L-tyrosine
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
isoenzymes TAT-1, TAT-2 and TAT-3 show a pronounced preference for L-tyrosine over other aromatic amino acids
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
isoenzyme TAT-1: oxaloacetate and 2-oxoglutarate utilized equally well as amino acceptor, isoenzyme TAT-2: oxaloacetate is most effective, isoenzyme TAT-3: 2-oxoglutarate is most effective
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
first step in tyrosine pathway leading to the formation of rosmarinic acid (alpha-O-caffeoyl-3,4-dihydroxyphenyllactic acid)
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
r
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
best substrate and favoured direction of reaction for isoform TAT1
-
-
r
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
r
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
-
r
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
specific for 2-oxoglutarate as the amino group acceptor
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate
-
-
-
?
L-tyrosine + 2-oxoglutarate
4-hydroxyphenylpyruvate + L-glutamate