Folds:

1. k.1: Hybrid and chimeric proteins [58789] (1 superfamily)
2. k.2: Amphiphilic (amphipathic) alpha helix [58798] (1 superfamily)
3. k.3: Collagen-like peptides [58805] (1 superfamily)
4. k.4: Alpha helical bundle [58812] (1 superfamily)
5. k.5: Alpha helical bundle [58817] (1 superfamily)
6. k.6: Designed heterodimeric leucine zipper [58822] (1 superfamily)
7. k.7: Thermostable heterotrimeric coiled coil [58827] (1 superfamily)
8. k.8: Designed four helix bundle protein [58832] (1 superfamily)
9. k.9: Designed single chain three-helix bundle [58839] (1 superfamily)
10. k.10: Peptide f (amphiphilic octadecapeptide) [58846] (1 superfamily)
11. k.11: Retro-GCN4 leucine zipper [58851] (1 superfamily)
12. k.12: Zinc finger design [58856] (1 superfamily)
13. k.13: Protein A Ig(Fc)-binding domain mimics [58863] (1 superfamily)
14. k.14: Zinc finger based beta-beta-alpha motif [58868] (1 superfamily)
15. k.15: Alpha-t-alpha, a de novo designed peptide [58877] (1 superfamily)
16. k.16: alpha2d [58882] (1 superfamily)
17. k.17: RH4 designed right-handed coiled coil tetramer [58887] (1 superfamily)
18. k.18: Erythropoietin (EPO) mimetic peptide 1 [58892] (1 superfamily)
19. k.19: IL-1 receptor type 1 antagonist peptide AF10847 [58897] (1 superfamily)
20. k.20: Octreotide (Sandostatine), a somatostatine analogue [58902] (1 superfamily)
21. k.21: Calmodulin [58907] (1 superfamily)
22. k.22: Prototype WW domain [58912] (1 superfamily)
23. k.23: Scorpion toxin-based designs [58917] (1 superfamily)
24. k.24: Inhibitor of mammalian ribonucleotide reductase [58925] (1 superfamily)

More info for Class k: Designed proteins

Timeline for Class k: Designed proteins:

• Class k: Designed proteins appears in SCOP 1.57
  
• Class k: Designed proteins appears in the current release, SCOPe 2.08