ID 5.3.2.2 DE oxaloacetate tautomerase. AN oxalacetic keto--enol isomerase. AN oxaloacetate keto--enol tautomerase. CA oxaloacetate = enol-oxaloacetate. DR Q8X4P8, FUMA_ECO57 ; P0AC34, FUMA_ECOL6 ; P0AC33, FUMA_ECOLI ; DR P40720, FUMA_SALTY ; //