4.1.3.16 Arginine and proline metabolism - 00330 4.1.3.16 Glyoxylate and dicarboxylate metabolism - 00630 4.1.3.16 Metabolic pathways - 01100 4.1.3.16 trans-4-hydroxy-L-proline degradation I - - 4.1.3.16 gluconeogenesis gluconeogenesis -