5.4.99.14: 4-carboxymethyl-4-methylbutenolide mutase
This is an abbreviated version!
For detailed information about 4-carboxymethyl-4-methylbutenolide mutase, go to the full flat file.
Reaction
Synonyms
4-Methyl-3-enelactone methyl isomerase, 4-Methylmuconolactone methylisomerase, Isomerase, 4-methyl-2-enelactone, methymuconolactone isomerase, MLMI, MmlJ
ECTree
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Substrates Products
Substrates Products on EC 5.4.99.14 - 4-carboxymethyl-4-methylbutenolide mutase
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REACTION DIAGRAM
4-Carboxymethyl-4-methylbut-2-en-1,4-olide
?
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enzyme of the modified 3-oxoadipate pathway in the Gram-negative bacterium Alcaligenes eutrophus JMP 134
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-
?
trans-3-methyldienelactone
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-
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r
(4R,5R)-5-chloro-3-methylmuconolactone
trans-3-methyldienelactone
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-
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r
trans-3-methyldienelactone
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-
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r
(4S,5S)-5-chloro-3-methylmuconolactone
trans-3-methyldienelactone
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-
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r
4-Carboxymethyl-3-methylbut-2-en-1,4-olide
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i.e. 1-methyl-3,7-dioxo-2,6-dioxabicyclo[3.3.0]octane
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-
?
1-Methylbislactone
4-Carboxymethyl-3-methylbut-2-en-1,4-olide
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-
-
?
1-Methylbislactone
4-Carboxymethyl-3-methylbut-2-en-1,4-olide
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-
-
?
4-Carboxymethyl-3-methylbut-2-en-1,4-olide
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-
-
-
?
4-Carboxymethyl-4-methylbut-2-en-1,4-olide
4-Carboxymethyl-3-methylbut-2-en-1,4-olide
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-
-
?
4-Carboxymethyl-4-methylbut-2-en-1,4-olide
4-Carboxymethyl-3-methylbut-2-en-1,4-olide
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-
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?
4-Carboxymethyl-4-methylbut-2-en-1,4-olide
4-Carboxymethyl-3-methylbut-2-en-1,4-olide
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-
-
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?
4-Carboxymethyl-4-methylbut-2-en-1,4-olide
4-Carboxymethyl-3-methylbut-2-en-1,4-olide
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-
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?
4-Carboxymethyl-4-methylbut-2-en-1,4-olide
4-Carboxymethyl-3-methylbut-2-en-1,4-olide
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-
-
?
4-Carboxymethyl-4-methylbut-2-en-1,4-olide
4-Carboxymethyl-3-methylbut-2-en-1,4-olide
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highly specific, accepts only (+)-(4S)-4-methylmuconolactone, i.e. 4-carboxymethyl-4-methylbut-2-en-1,4-olide and the putative reaction intermediate 1-methylbislactone
i.e. (-)-(4S)-3-methylmuconolactone
?
4-Carboxymethyl-4-methylbut-2-en-1,4-olide
4-Carboxymethyl-3-methylbut-2-en-1,4-olide
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-
-
?
4-Carboxymethyl-4-methylbut-2-en-1,4-olide
4-Carboxymethyl-3-methylbut-2-en-1,4-olide
-
highly specific, accepts only (+)-(4S)-4-methylmuconolactone, i.e. 4-carboxymethyl-4-methylbut-2-en-1,4-olide and the putative reaction intermediate 1-methylbislactone
i.e. (-)-(4S)-3-methylmuconolactone
?
4-Carboxymethyl-4-methylbut-2-en-1,4-olide
4-Carboxymethyl-3-methylbut-2-en-1,4-olide
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-
-
?
4-Carboxymethyl-4-methylbut-2-en-1,4-olide
4-Carboxymethyl-3-methylbut-2-en-1,4-olide
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-
-
?
4-Carboxymethyl-4-methylbut-2-en-1,4-olide
4-Carboxymethyl-3-methylbut-2-en-1,4-olide
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-
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?
?
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not: isomeric methyl-substituted 4-carboxymethylbut-2-en-4-olides
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?
additional information
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activity with 3-methyl-cis,cis-muconate is below the detection limit
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?
additional information
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activity with 3-methyl-cis,cis-muconate is below the detection limit
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?