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EC Tree
The enzyme appears in viruses and cellular organisms
Synonyms
aminotransferase, D-methionine, D-methionine aminotransferase, D-methionine transaminase,
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aminotransferase, D-methionine
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D-methionine aminotransferase
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D-methionine transaminase
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D-methionine + pyruvate = 4-(methylsulfanyl)-2-oxobutanoate + L-alanine
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amino group transfer
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D-methionine:pyruvate aminotransferase
Oxaloacetate can replace pyruvate.
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D-methionine + 2-oxoglutarate
4-methylthio-2-oxobutanoate + L-glutamate
D-methionine + oxaloacetate
4-methylthio-2-oxobutanoate + L-aspartate
D-methionine + pyruvate
4-methylthio-2-oxobutanoate + L-alanine
L-methionine + pyruvate
4-methylthio-2-oxobutanoate + L-alanine
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one third of activity compared to D-methionine
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D-methionine + 2-oxoglutarate
4-methylthio-2-oxobutanoate + L-glutamate
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less effective than pyruvate
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D-methionine + 2-oxoglutarate
4-methylthio-2-oxobutanoate + L-glutamate
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less effective than pyruvate
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D-methionine + oxaloacetate
4-methylthio-2-oxobutanoate + L-aspartate
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less effective than pyruvate
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D-methionine + oxaloacetate
4-methylthio-2-oxobutanoate + L-aspartate
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less effective than pyruvate
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D-methionine + pyruvate
4-methylthio-2-oxobutanoate + L-alanine
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D-methionine + pyruvate
4-methylthio-2-oxobutanoate + L-alanine
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D-methionine + pyruvate
4-methylthio-2-oxobutanoate + L-alanine
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involved in ethylene synthesis from methionine
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D-methionine + pyruvate
4-methylthio-2-oxobutanoate + L-alanine
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involved in ethylene synthesis from methionine
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pyridoxal 5'-phosphate
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required for full enzyme activity
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additional information
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10061 units/mg, 1 unit is defined as the quantity of enzyme that produces 1 nanoliter of ethylene per h of dark reaction
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6 - 8
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15% of maximal activity at pH 6.0, 66% of maximal activity at pH 8.0
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peanut cv. Starr
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brenda
cauliflower
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brenda
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germinating
brenda
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brenda
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brenda
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pyridoxal 5'-phosphate stabilizes
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reducing agents, such as cysteine, 2-mercaptoethanol or dithiothreitol, are essential for maintaining activity during purification
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ammonium sulfate, cold precipitation, acetone precipitation, partial purification
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Durham, J.I.; Morgan, P.W.; Prescott, J.M.; Lyman, C.M.
An aminotransferase specific for the D-enantiomorph of methionine
Phytochemistry
12
2123-2126
1973
Arachis hypogaea
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brenda
Mapson, L.W.; March, J.F.; Wardale, D.A.
Biosynthesis of ethylene. 4-methylmercapto-2-oxobutyric acid: an intermediate in the formation from methionine
Biochem. J.
115
653-661
1969
Brassica sp.
brenda
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2.6.1.41 D-methionine-pyruvate transaminase
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