2.6.1.4 glyoxylate + L-glutamate - 2.6.1.4 glyoxylate + L-glutamate involved in the supply of glycine for extracellular porphyrin production 2.6.1.4 glyoxylate + L-glutamate may be involved in control of human oxalate synthesis by providing alternate pathway for glyoxylate metabolism