(R,S)-4-hydroxy-2-oxoglutarate aldolase activity https://github.com/geneontology/go-ontology/issues/28306 2-keto-4-hydroxybutyrate aldolase activity molecular_function GO:0008700 hydroxyketoglutaric aldolase activity MetaCyc:4OH2OXOGLUTARALDOL-RXN 2-keto-4-hydroxyglutarate aldolase activity 2-oxo-4-hydroxyglutaric aldolase activity hydroxyketoglutarate aldolase activity 4-hydroxy-2-ketoglutaric aldolase activity DL-4-hydroxy-2-ketoglutarate aldolase activity RHEA:18169 4-hydroxy-2-oxoglutarate glyoxylate-lyase activity 2-keto-4-hydroxyglutaric aldolase activity 4-hydroxy-2-ketoglutarate aldolase activity RHEA:30687 Reactome:R-HSA-6784423 EC:4.1.3.16 2-oxo-4-hydroxyglutarate aldolase activity Catalysis of the reaction: 4-hydroxy-2-oxoglutarate = pyruvate + glyoxylate. Can act on both the (4R) and the (4S) enantiomers of 4-hydroxy-2-oxoglutarate. 4-hydroxy-2-oxoglutarate glyoxylate-lyase (pyruvate-forming) KHG-aldolase activity oxo-acid-lyase activity