4.1.1.17 Arginine and proline metabolism - 00330 - 4.1.1.17 Biosynthesis of secondary metabolites - 01110 - 4.1.1.17 Glutathione metabolism - 00480 - 4.1.1.17 Metabolic pathways - 01100 - 4.1.1.17 polyamine pathway polyamine pathway - - 4.1.1.17 putrescine biosynthesis III - - PWY-46 4.1.1.17 superpathway of ornithine degradation - - ORNDEG-PWY