_EC 4-oxalmesaconate hydratase. 0 PDB entries  
EC 4.-.-.- Lyases. [3,649 PDB entries]
EC 4.2.-.- Carbon-oxygen lyases. [1,776 PDB entries]
EC 4.2.1.- Hydro-lyases. [1,369 PDB entries]
EC 4-oxalmesaconate hydratase. [-]    

Reaction: 2-hydroxy-4-oxobutane-1,2,4-tricarboxylate = (1E,3E)-4-hydroxybuta-1,3- diene-1,2,4-tricarboxylate + H(2)O.

= (1E,3E)-4-hydroxybuta-1,3- diene-1,2,4-tricarboxylate
+ H(2)O
Molecule diagrams generated from .mol files obtained from the KEGG ftp site.

Other name(s): 4-carboxy-2-oxohexenedioate hydratase.
Comments: This enzyme participates in the degradation of protocatechuate (via the meta-cleavage pathway), syringate and gallate, catalyzing the reaction in the opposite direction. It accepts the enol-form of 4-oxalomesaconate, 2-hydroxy-4-carboxy- hexa-2,4-dienedioate.
Links:   [IntEnz]   [ExPASy]   [KEGG]  

There are no PDB entries in enzyme class E.C.