819202.fig.003
Figure 3: Potential mechanisms for oxalate synthesis from glyoxal. Enzymes involved include (1) glyoxylase I, (2) glyoxylase II, (3) aldehyde dehydrogenase, (4) glycolate oxidase, (5) glyoxylate reductase, (6) lactate dehydrogenase, (7) D-amino acid oxidase, and (8) alanine : glyoxylate aminotransferase.