Folds:

1. g.1: Insulin-like [56993] (1 superfamily)

2. g.2: Toxic hairpin [57006] (2 superfamilies)

3. g.3: Knottins (small inhibitors, toxins, lectins) [57015] (16 superfamilies)

4. g.4: Proteinase inhibitor PMP-C [57282] (1 superfamily)

5. g.5: Midkine [57287] (1 superfamily)

6. g.6: Amb V allergen [57295] (1 superfamily)

7. g.7: Snake toxin-like [57301] (1 superfamily)

8. g.8: BPTI-like [57361] (1 superfamily)

9. g.9: Defensin-like [57391] (1 superfamily)

10. g.10: Hairpin loop containing domain of hepatocyte growth factor [57413] (1 superfamily)

11. g.11: Neurotoxin III (ATX III) [57418] (1 superfamily)

12. g.12: Ligand-binding domain of low-density lipoprotein receptor [57423] (1 superfamily)

13. g.13: Crambin-like [57428] (1 superfamily)

14. g.14: Kringle-like [57439] (1 superfamily)

15. g.15: Ovomucoid/PCI-1 like inhibitors [57466] (1 superfamily)

16. g.16: Trefoil [57491] (1 superfamily)

17. g.17: Cystine-knot cytokines [57500] (1 superfamily)

18. g.18: Complement control module/SCR domain [57534] (1 superfamily)

19. g.19: Sea anemone toxin k [57545] (1 superfamily)

20. g.20: Blood coagulation inhibitor (disintegrin) [57551] (1 superfamily)

21. g.21: Methylamine dehydrogenase, L chain [57560] (1 superfamily)

22. g.22: Serine proterase inhibitors [57566] (1 superfamily)

23. g.23: TB module/8-cys domain [57580] (1 superfamily)

24. g.24: TNF receptor-like [57585] (1 superfamily)

25. g.25: Heparin-binding domain from vascular endothelial growth factor [57592] (1 superfamily)

26. g.26: Antifungal protein (AGAFP) [57597] (1 superfamily)

27. g.27: Fibronectin type I module [57602] (1 superfamily)

28. g.28: Thyroglobulin type-1 domain [57609] (1 superfamily)

29. g.29: Type X cellulose binding domain, CBDX [57614] (1 superfamily)

30. g.30: Carboxypeptidase inhibitor [57619] (1 superfamily)

31. g.31: Tachycitin [57624] (1 superfamily)

32. g.32: GLA-domain [57629] (1 superfamily)

33. g.33: Cholecystokinin A receptor, N-domain [57641] (1 superfamily)

34. g.34: HIV-1 VPU cytoplasmic domain [57646] (1 superfamily)

35. g.35: HIPIP (high potential iron protein) [57651] (1 superfamily)

36. g.36: Ferredoxin thioredoxin reductase (FTR), catalytic beta chain [57661] (1 superfamily)

37. g.37: C2H2 and C2HC zinc fingers [57666] (1 superfamily)

38. g.38: Zn2/Cys6 DNA-binding domain [57700] (1 superfamily)

39. g.39: Glucocorticoid receptor-like (DNA-binding domain) [57715] (1 superfamily)

40. g.40: Retrovirus zinc finger-like domains [57755] (1 superfamily)

41. g.41: Rubredoxin-like [57769] (8 superfamilies)

42. g.42: Ribosomal protein L36 [57839] (1 superfamily)

43. g.43: B-box zinc-binding domain [57844] (1 superfamily)

44. g.44: RING finger domain, C3HC4 [57849] (1 superfamily)

45. g.45: Pyk2-associated protein beta ARF-GAP domain [57862] (1 superfamily)

46. g.46: Metallothionein [57867] (1 superfamily)

47. g.47: Zinc domain conserved in yeast copper-regulated transcription factors [57878] (1 superfamily)

48. g.48: Ada DNA repair protein, N-terminal domain (N-Ada 10) [57883] (1 superfamily)

49. g.49: Cysteine-rich domain [57888] (1 superfamily)

50. g.50: FYVE/PHD zinc finger [57902] (1 superfamily)

51. g.51: Zn-binding domains of ADDBP [57916] (1 superfamily)

52. g.52: Inhibitor of apoptosis (IAP) repeat [57923] (1 superfamily)

53. g.53: TAZ domain [57932] (1 superfamily)

54. g.54: Cysteine-rich domain of the chaperone protein DnaJ. [57937] (1 superfamily)

More info for Class g: Small proteins

Timeline for Class g: Small proteins:

• Class g: Small proteins appears in SCOP 1.57
  
• Class g: Small proteins appears in the current release, SCOPe 2.08