2-hydroxymuconate tautomerase EC#: 5.3.2.6; ChemWhat Code: 1383251

Product Name 2-hydroxymuconate tautomerase
Example Structure Example Structure of 2-hydroxymuconate tautomerase EC#: 5.3.2.6
Synonyms 4-OT, 4-oxalocrotonate tautomerase, 4-oxalocrotonate tautomerase I, 4-oxalocrotonate tautomerase II, 4OT, AfDmpI, D-4-oxalocrotonate tautomerase, HpDmpI, L-4-oxalocrotonate tautomerase, OCA, PRAC, SAR1376, TomN, xylH, YwhB
EC Number 5.3.2.6
CAS Registry Number
Comments Involved in the meta-cleavage pathway for the degradation of phenols, modified phenols and catechols. The enol form (2Z,4E)-2-hydroxyhexa-2,4-dienedioate is produced as part of this pathway and is converted to the keto form (3E)-2-oxohex-3-enedioate by the enzyme [6]. Another keto form, (4E)-2-oxohex-4-enedioate (4-oxalocrotonate), was originally thought to be produced by the enzyme [1,2] but later shown to be produced non-enzymatically [5].
Cofactor
History
Reactions (2Z,4E)-2-hydroxyhexa-2,4-dienedioate = (3E)-2-oxohex-3-enedioate.

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