1. C00047 compound   L-Lysine
                      Lysine acid
                      2,6-Diaminohexanoic acid

2. C00739 compound   D-Lysine
                      D-2,6-Diaminohexanoic acid

3. C00449 compound   N6-(L-1,3-Dicarboxypropyl)-L-lysine
                      Saccharopine
                      L-Saccharopine

4. C00592 compound   Peptidyl-L-lysine

5. C01028 compound   N6-Hydroxy-L-lysine

6. C01142 compound   L-beta-Lysine
                      (3S)-3,6-Diaminohexanoate

7. C01211 compound   5-Hydroxylysine
                      5-Hydroxy-L-lysine
                      Procollagen 5-hydroxy-L-lysine
                      Procollagen L-erythro-5-hydroxy-L-lysine

8. C02188 compound   Protein lysine

9. C02415 compound   Histone-L-lysine

10. C02444 compound   N6-Acyl-L-lysine

11. C02727 compound   N6-Acetyl-L-lysine

12. C02728 compound   N6-Methyl-L-lysine

13. C02816 compound   Calmodulin L-lysine

14. C02837 compound   L-Lysine 1,6-lactam

15. C03020 compound   Procollagen L-lysine

16. C03105 compound   Cytochrome c L-lysine

17. C03366 compound   5-Phosphonooxy-L-lysine

18. C03793 compound   N6,N6,N6-Trimethyl-L-lysine

19. C04020 compound   N2-(D-1-Carboxyethyl)-L-lysine
                      D-Lysopine

20. C05552 compound   N6-D-Biotinyl-L-lysine
                      epsilon-N-Biotinyl-L-lysine
                      Biocytin

21. C06401 compound   [eIF-5A]-lysine

22. C12989 compound   N2-Acetyl-L-lysine

23. C14074 compound   Lysine acetate
                      L-Lysine acetate

24. C14075 compound   L-Lysine hydrochloride

25. C01259 compound   3-Hydroxy-N6,N6,N6-trimethyl-L-lysine

26. C03318 compound   alpha-Tubulin L-lysine

27. C03702 compound   Histone N6-methyl-L-lysine

28. C03941 compound   Calmodulin N6-methyl-L-lysine

29. C03955 compound   N6-Acetyl-N6-hydroxylysine
                      N6-Acetyl-N6-hydroxy-L-lysine

30. C04061 compound   Cytochrome c N6-methyl-L-lysine

31. C04263 compound   Protein N6-(4-Aminobutyl)-L-lysine

32. C04396 compound   Procollagen 5-(D-galactosyl)-L-lysine

33. C04487 compound   5-(D-Galactosyloxy)-L-lysine-procollagen

34. C05341 compound   beta-Alanyl-L-lysine

35. C05544 compound   Protein N6-methyl-L-lysine

36. C05545 compound   Protein N6,N6-dimethyl-L-lysine

37. C05546 compound   Protein N6,N6,N6-trimethyl-L-lysine

38. C05547 compound   Procollagen 5-(D-galactosyloxy)-L-lysine

39. C07281 compound   [eIF5A-precursor]-lysine

40. C04149 compound   alpha-Tubulin N6-acetyl-L-lysine

41. C04211 compound   N6-[(Indole-3-yl)acetyl]-L-lysine

42. C04679 compound   Protein N6-[(R)-4-amino-2-hydroxybutyl]-L-lysine

43. C04759 compound   1,2-D-Glucosyl-5-D-(galactosyloxy)-L-lysine-procollagen

44. C06403 compound   [Ribulose-1,5-bisphosphate-carboxylase]-lysine

45. C04700 compound   UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysine
                      UDP-N-acetylmuramoyl-L-alanyl-alpha-D-glutamyl-L-lysine

46. C06404 compound   [Ribulose-1,5-bisphosphate-carboxylase]-N6-methyl-L-lysine

47. C05892 compound   UDP-N-acetylmuramoyl-L-alanyl-gamma-D-glutamyl-L-lysine

48. C04876 compound   N-Acetyl-D-glucosaminyl-N-acetylmuramoyl-L-Ala-D-glutamyl-6-carboxy- L-lysine