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The expected taxonomic range for this enzyme is: Bacteria, Eukaryota
Synonyms
aminotransferase, pyridoxamine-oxalacetate, pyridoxamine-oxalacetate aminotransferase,
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aminotransferase, pyridoxamine-oxalacetate
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pyridoxamine-oxalacetate aminotransferase
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pyridoxamine + oxaloacetate = pyridoxal + L-aspartate
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amino group transfer
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pyridoxamine:oxaloacetate aminotransferase
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pyridoxamine + oxaloacetate
pyridoxal + L-aspartate
additional information
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pyridoxamine + oxaloacetate
pyridoxal + L-aspartate
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r
pyridoxamine + oxaloacetate
pyridoxal + L-aspartate
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pyridoxamine + oxaloacetate
pyridoxal + L-aspartate
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r
additional information
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no substrates are: pyruvate, 2-oxoglutarate, 3-oxoglutarate, 2-oxisovalerate, 2-oxoisocaproate, 2-oxocaproate, phenylpyruvate, mesoxalate, ketopantoate
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additional information
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no substrates are: pyruvate, 2-oxoglutarate, 3-oxoglutarate, 2-oxisovalerate, 2-oxoisocaproate, 2-oxocaproate, phenylpyruvate, mesoxalate, ketopantoate
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pyridoxamine + oxaloacetate
pyridoxal + L-aspartate
pyridoxamine + oxaloacetate
pyridoxal + L-aspartate
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pyridoxamine + oxaloacetate
pyridoxal + L-aspartate
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pyridoxamine + oxaloacetate
pyridoxal + L-aspartate
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2-oxoglutarate
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inhibition at pH 7.0 is higher than at pH 8.5, 3.33 mM in presence of equimolar concentrations of oxaloacetate
2-Oxomalonate
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inhibition at pH 7.0 is higher than at pH 8.5, 0.4 mM in presence of equimolar concentrations of oxaloacetate
3,3-Dimethylglutamic acid
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not at pH 7.0, weak at pH 8.0
3-oxoadipate
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inhibition at pH 7.0 is higher than at pH 8.5, 3.33 mM in presence of equimolar concentrations of oxaloacetate
adipic acid
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not at pH 7.0, weak at pH 8.0
Benzylmalonic acid
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not at pH 7.0, weak at pH 8.0
Diethylstilbestrol diphosphate
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alpha-glycerophosphate
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alpha-glycerophosphate
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beta-Glycerophosphate
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beta-Glycerophosphate
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L-aspartate
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no inhibition by D-aspartate
L-glutamate
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no inhibition by D-glutamate
pyridoxal 5'-phosphate
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pyridoxal 5'-phosphate
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pyridoxal 5'-phosphate
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pyridoxamine phosphate
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pyridoxamine phosphate
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pyridoxamine phosphate
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arsenate
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activation, less effective than phosphate
D-Aspartate
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increases activity
diphosphate
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activation, less effective than phosphate
phosphate
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essential, activation in absence of diethylstilbestrol and pyridoxal 5'-phosphate
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0.012 - 0.57
oxaloacetate
0.012
oxaloacetate
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somewhat higher at very high levels of pyridoxamine, 14 mM
0.034
oxaloacetate
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pH 8.5, 37°C
0.57
oxaloacetate
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pH 8.5, 37°C
0.7
pyridoxamine
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pH 8.5, 37°C
2.3
pyridoxamine
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pH 8.5, 37°C
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0.076
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partially purified enzyme
0.081
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partially purified enzyme
additional information
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additional information
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8.5
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7.5 - 9.5
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about 50% of activity maximum at pH 7.5 and pH 9.5
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37
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assay at
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brenda
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brenda
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brenda
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brenda
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brenda
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frozen, 20% loss of activity after 2 months
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Wada, H.; Snell, E.E.
Enzymatic transamination of pyridoxamine. I. With oxaloacetate and alpha-ketoglutarate
J. Biol. Chem.
237
127-132
1962
Oryctolagus cuniculus, Escherichia coli
brenda
Wu, H.L.C.; Mason, M.
Pyridoxamine-oxaloacetic transaminase of rat kidney
J. Biol. Chem.
239
1492-1497
1964
Rattus norvegicus
brenda
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