2.6.1.24: diiodotyrosine transaminase
This is an abbreviated version!
For detailed information about diiodotyrosine transaminase, go to the full flat file.
Reaction
Synonyms
aminotransferase, diiodotyrosine, diiodotyrosine aminotransferase, EC 2.6.1.25, halogenated tyrosine aminotransferase, halogenated tyrosine transaminase
ECTree
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Substrates Products
Substrates Products on EC 2.6.1.24 - diiodotyrosine transaminase
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REACTION DIAGRAM
3,5-dibromo-L-tyrosine + 2-oxoglutarate
3,5-dibromo-4-hydroxyphenylpyruvate + L-glutamate
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at 127% the rate of 3,5-diiodo-L-tyrosine
-
-
?
3,5-dichloro-L-tyrosine + 2-oxoglutarate
3,5-dichloro-4-hydroxyphenylpyruvate + L-glutamate
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at 110% the rate of 3,5-diiodo-L-tyrosine
-
-
?
3,5-diiodo-L-tyrosine + oxaloacetate
3,5-diiodo-4-hydroxyphenylpyruvate + L-aspartate
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30% substitution of 2-oxoglutarate by oxaloacetate as amino acceptor
-
?
3-(4-fluorophenyl)alanine + 2-oxoglutarate
(4-fluorophenyl)pyruvate + L-glutamate
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i.e. p-fluoro-DL-phenylalanine, at 3.1% the rate of 3,5-diiodo-L-tyrosine
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-
?
3-iodo-L-tyrosine + 2-oxoglutarate
3-iodo-4-hydroxyphenylpyruvate + L-glutamate
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at 76% the rate of 3,5-diiodo-L-tyrosine
-
-
?
L-phenylalanine + 2-oxoglutarate
phenylpyruvate + L-glutamate
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at 3.9% the rate of 3,5-diiodo-L-tyrosine
-
-
?
L-tryptophan + 2-oxoglutarate
3-indole-2-oxopropanoate + L-glutamate
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at 3.6% the rate of 3,5-diiodo-L-tyrosine
-
-
?
L-tyrosine + 2-oxoglutarate
(4-hydroxyphenyl)pyruvate + L-glutamate
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at 3.9% the rate of 3,5-diiodo-L-tyrosine
-
-
?
3,5-diiodo-4-hydroxyphenylpyruvate + L-glutamate
-
-
-
?
3,5-diiodo-L-tyrosine + 2-oxoglutarate
3,5-diiodo-4-hydroxyphenylpyruvate + L-glutamate
-
specific for 2-oxoglutarate as amino acceptor
-
?
additional information
?
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no activity with: D-diiodotyrosine, tyrosine analogues with nitro, amino or hydroxy substituents in position 3 or 3 and 5
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-
?
additional information
?
-
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no activity with pyruvate as amino acceptor
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-
?