ID 4.1.3.42 DE (4S)-4-hydroxy-2-oxoglutarate aldolase. AN 2-keto-4-hydroxyglutaric aldolase. AN 4-hydroxy-2-ketoglutaric aldolase. AN hydroxyketoglutaric aldolase. CA (4S)-4-hydroxy-2-oxoglutarate = glyoxylate + pyruvate. CC -!- The enzyme from the bacterium Escherichia coli is specific for the CC (S) enantiomer. CC -!- That enzyme is trifunctional, and also catalyzes the reactions of CC EC 4.1.1.3 and EC 4.1.2.14. cf. EC 4.1.3.16. //