2.6.1.51 L-alanine + 3-hydroxypyruvate - 2.6.1.51 L-serine + pyruvate - 2.6.1.51 L-serine + pyruvate glyoxylate detoxification, physiological role in tryptophan catabolism 2.6.1.51 L-serine + pyruvate L-serine metabolism 2.6.1.51 L-serine + pyruvate gluconeogenesis from serine 2.6.1.51 L-serine + pyruvate glyoxylate metabolism 2.6.1.51 additional information enzyme converts L-hydroxyproline-derived glyoxylate into glycine in situ, preventing undesirable overflow into the production of oxalate