EC 5.3.2.2     
Accepted name: oxaloacetate tautomerase
Reaction: keto-oxaloacetate = enol-oxaloacetate
Other name(s): oxalacetic keto-enol isomerase
Systematic name: oxaloacetate ketoenol-isomerase
References:
1.  Annett, R.G. and Kosicki, G.W. Oxalacetate keto-enol tautomerase. Purification and characterization. J. Biol. Chem. 244 (1969) 2059–2067. [PMID: 5781999]
[EC 5.3.2.2 created 1972]