Structural and kinetic characterization of two 4-oxalocrotonate tautomerases in Methylibium petroleiphilum strain PM1

- Two isozymes of 4-oxalocrotonate tautomerase from M. petroleiphilum were purified.
- Crystal structures of two isozymes of 4-oxalocrotonate tautomerase are described.
- Catalytic activities of two isozymes of 4-oxalocrotonate tautomerase are compared.
- The isozymes were found to differ in their catalytic activities toward two substrates.