Folds:

1. i.1: Ribosome and ribosomal fragments [58118] (1 superfamily)

2. i.2: Helicase [58135] (1 superfamily)

3. i.3: ATP synthase [58140] (1 superfamily)

4. i.4: Electron transport chains [58146] (1 superfamily)

5. i.5: Photosystems [58155] (1 superfamily)

6. i.6: Viruses and virus-receptor complexes [58162] (1 superfamily)

7. i.7: Reovirus core [58175] (1 superfamily)

8. i.8: RNA polymerase [58180] (1 superfamily)

9. i.9: Blood clotting [58187] (1 superfamily)

10. i.10: Microtubule complexes [58193] (1 superfamily)

11. i.11: Computational models partly based on NMR data [58198] (1 superfamily)

12. i.12: Proteins of incorrect, partial and unknown sequence [58207] (1 superfamily)

13. i.13: Multidrug resistance ABC transporter [64606] (1 superfamily)

14. i.14: Bacteriophage HK97 procapsid (prohead II) [64611] (1 superfamily)

15. i.15: Muscle protein complexes [64616] (1 superfamily)

16. i.16: GroE chaperon [69998] (1 superfamily)

17. i.17: Major envelope protein E [75718] (1 superfamily)

18. i.18: Membrane ion ATPase [82940] (1 superfamily)

More info for Class i: Low resolution protein structures

Timeline for Class i: Low resolution protein structures:

• Class i: Low resolution protein structures first appeared (with stable ids) in SCOP 1.55
  
• Class i: Low resolution protein structures appears in SCOP 1.63
  
• Class i: Low resolution protein structures appears in SCOP 1.67
  
• Class i: Low resolution protein structures appears in the current release, SCOPe 2.08