EC Number |
Substrates |
Organism |
Products |
Reversibility |
---|
3.1.1.57 | 2-oxo-2H-pyran-4,6-dicarboxylate + H2O |
- |
Sphingobium sp. |
(1E)-4-oxobut-1-ene-1,2,4-tricarboxylate |
- |
? |
3.1.1.57 | 2-oxo-2H-pyran-4,6-dicarboxylate + H2O |
- |
Sphingobium sp. NBRC 103272 |
(1E)-4-oxobut-1-ene-1,2,4-tricarboxylate |
- |
? |
3.1.1.57 | 2-pyrone-4,6-dicarboxylate + H2O |
highly specific |
Pseudomonas straminea |
4-carboxy-2-hydroxyhexa-2,4-dienedioate |
product isomerizes to 4-oxalmesaconate |
r |
3.1.1.57 | 2-pyrone-4,6-dicarboxylate + H2O |
highly specific, various other lactones does not serve as substrates |
Pseudomonas straminea |
4-carboxy-2-hydroxyhexa-2,4-dienedioate |
product isomerizes to 4-oxalmesaconate |
r |
3.1.1.57 | 2-pyrone-4,6-dicarboxylate + H2O |
- |
Pseudomonas straminea |
4-oxalomesaconate |
- |
r |
3.1.1.57 | 2-pyrone-4,6-dicarboxylate + H2O |
- |
Sphingomonas paucimobilis |
4-oxalomesaconate |
the product occurs in two tautomeric forms. 4-oxalomesaconate is predominant at pH 10, while at pH 6 4-carboxy-2-hydroxymuconate is observed |
r |
3.1.1.57 | 2-pyrone-4,6-dicarboxylate + H2O |
involved in the meta-degradation pathway for protocatechuate |
Pseudomonas straminea |
4-oxalomesaconate |
- |
r |
3.1.1.57 | 2-pyrone-4,6-dicarboxylate + H2O |
- |
Pseudomonas straminea NGJ1 |
4-oxalomesaconate |
- |
r |
3.1.1.57 | 2-pyrone-4,6-dicarboxylate + H2O |
involved in the meta-degradation pathway for protocatechuate |
Pseudomonas straminea NGJ1 |
4-oxalomesaconate |
- |
r |
3.1.1.57 | 2-pyrone-4,6-dicarboxylate + H2O |
- |
Comamonas sp. |
? |
- |
? |