1. Starch Metabolism
2. Steroid Biosynthesis
3. Steroid Degradation
4. Steroid Hormone Biosynthesis
5. Steroid Hormone Metabolism - C21
6. Stilbenoid Biosynthesis
7. Streptomycin Biosynthesis
8. Styrene Degradation
9. Suberine Biosynthesis
10. Sucrose Metabolism
11. Sulfur Metabolism
12. Taurine Metabolism
13. Terpenoid Backbone Biosynthesis
14. Terpenoid Biosynthesis
15. Tetrachloroethene Degradation
16. Tetracycline Biosynthesis
17. Thiamine Metabolism
18. Threonine Metabolism
19. Toluene Degradation
20. Triterpenoid Biosynthesis
21. Tropane Alkaloid Biosynthesis
22. Tryptophan Biosynthesis
23. Tryptophan Metabolism
24. Type I Polyketide Structures
25. Tyrosine Biosynthesis
26. Tyrosine Metabolism
27. Ubiquinone Biosynthesis
28. Unsaturated Fatty Acid Biosynthesis
29. Valine Biosynthesis
30. Valine Degradation
31. Valine Metabolism
32. Vancomycin Group Antibiotics Biosynth.
33. Vitamin B6 Metabolism
34. Wax Biosynthesis
35. Xenobiotics Metabolism - P450
36. Xylene Degradation
37. Zeatin Biosynthesis