Folds:

1. c.1: TIM beta/alpha-barrel [51350] (24 superfamilies)

2. c.2: NAD(P)-binding Rossmann-fold domains [51734] (1 superfamily)

3. c.3: FAD/NAD(P)-binding domain [51904] (1 superfamily)

4. c.4: Nucleotide-binding domain [51970] (1 superfamily)

5. c.5: UDP-N-acetylmuramoyl-L-alanine:D-glutamate ligase MurD, N-terminal domain [51983] (1 superfamily)

6. c.6: Cellulases [51988] (1 superfamily)

7. c.7: PFL-like glycyl radical enzymes [51997] (1 superfamily)

8. c.8: The "swivelling" beta/beta/alpha domain [52008] (5 superfamilies)

9. c.9: Barstar-like [52037] (2 superfamilies)

10. c.10: Leucine-rich repeat, LRR (right-handed beta-alpha superhelix) [52046] (2 superfamilies)

11. c.11: Outer arm dynein light chain 1 [52074] (1 superfamily)

12. c.12: Ribosomal proteins L15p and L18e [52079] (1 superfamily)

13. c.13: SpoIIaa-like [52086] (2 superfamilies)

14. c.14: ClpP/crotonase [52095] (1 superfamily)

15. c.15: BRCT domain [52112] (1 superfamily)

16. c.16: Lumazine synthase [52120] (1 superfamily)

17. c.17: Caspase-like [52128] (1 superfamily)

18. c.18: DNA glycosylase [52140] (1 superfamily)

19. c.19: Catalytic domain of malonyl-CoA ACP transacylase [52150] (1 superfamily)

20. c.20: Initiation factor IF2/eIF5b, domain 3 [52155] (1 superfamily)

21. c.21: Ribosomal protein L13 [52160] (1 superfamily)

22. c.22: Ribosomal protein L4 [52165] (1 superfamily)

23. c.23: Flavodoxin-like [52171] (17 superfamilies)

24. c.24: Methylglyoxal synthase-like [52334] (1 superfamily)

25. c.25: Ferredoxin reductase-like, C-terminal NADP-linked domain [52342] (1 superfamily)

26. c.26: Adenine nucleotide alpha hydrolase-like [52373] (3 superfamilies)

27. c.27: Pyrimidine nucleoside phosphorylase central domain [52417] (1 superfamily)

28. c.28: N-terminal domain of DNA photolyase [52424] (1 superfamily)

29. c.29: ETFP adenine nucleotide-binding domain-like [52430] (1 superfamily)

30. c.30: Biotin carboxylase N-terminal domain-like [52439] (1 superfamily)

31. c.31: DHS-like NAD/FAD-binding domain [52466] (1 superfamily)

32. c.32: Tubulin, GTPase domain [52489] (1 superfamily)

33. c.33: Cysteine hydrolase [52498] (1 superfamily)

34. c.34: DFP DNA/pantothenate metabolism flavoprotein [52506] (1 superfamily)

35. c.35: Glucosamine 6-phosphate deaminase/isomerase [52511] (1 superfamily)

36. c.36: Thiamin diphosphate-binding fold (THDP-binding) [52517] (1 superfamily)

37. c.37: P-loop containing nucleotide triphosphate hydrolases [52539] (1 superfamily)

38. c.38: Fructose permease, subunit IIb [52727] (1 superfamily)

39. c.39: Nicotinate mononucleotide:5,6-dimethylbenzimidazole phosphoribosyltransferase (CobT) [52732] (1 superfamily)

40. c.40: Methylesterase CheB, C-terminal domain [52737] (1 superfamily)

41. c.41: Subtilisin-like [52742] (1 superfamily)

42. c.42: Arginase/deacetylase [52767] (1 superfamily)

43. c.43: CoA-dependent acyltransferases [52776] (1 superfamily)

44. c.44: Phosphotyrosine protein phosphatases I-like [52787] (2 superfamilies)

45. c.45: (Phosphotyrosine protein) phosphatases II [52798] (1 superfamily)

46. c.46: Rhodanese/Cell cycle control phosphatase [52820] (1 superfamily)

47. c.47: Thioredoxin fold [52832] (2 superfamilies)

48. c.48: Transketolase C-terminal domain-like [52921] (1 superfamily)

49. c.49: Pyruvate kinase C-terminal domain-like [52934] (2 superfamilies)

50. c.50: Leucine aminopeptidase, N-terminal domain [52948] (1 superfamily)

51. c.51: Anticodon-binding domain-like [52953] (4 superfamilies)

52. c.52: Restriction endonuclease-like [52979] (3 superfamilies)

53. c.53: Resolvase-like [53040] (2 superfamilies)

54. c.54: IIA domain of mannose transporter, IIA-Man [53061] (1 superfamily)

55. c.55: Ribonuclease H-like motif [53066] (7 superfamilies)

56. c.56: Phosphorylase/hydrolase-like [53162] (6 superfamilies)

57. c.57: Molybdenum cofactor biosynthesis proteins [53217] (1 superfamily)

58. c.58: Aminoacid dehydrogenase-like, N-terminal domain [53222] (1 superfamily)

59. c.59: MurD-like peptide ligases, peptide-binding domain [53243] (1 superfamily)

60. c.60: Phosphoglycerate mutase-like [53253] (1 superfamily)

61. c.61: PRTase-like [53270] (1 superfamily)

62. c.62: Integrin A (or I) domain [53299] (1 superfamily)

63. c.63: Glutaconate-CoA transferase subunits [53315] (1 superfamily)

64. c.64: Pyruvate-ferredoxin oxidoreductase, PFOR, domain III [53322] (1 superfamily)

65. c.65: Formyltransferase [53327] (1 superfamily)

66. c.66: S-adenosyl-L-methionine-dependent methyltransferases [53334] (1 superfamily)

67. c.67: PLP-dependent transferases [53382] (1 superfamily)

68. c.68: Nucleotide-diphospho-sugar transferases [53447] (1 superfamily)

69. c.69: alpha/beta-Hydrolases [53473] (1 superfamily)

70. c.70: Nucleoside hydrolase [53589] (1 superfamily)

71. c.71: Dihydrofolate reductases [53596] (1 superfamily)

72. c.72: Ribokinase-like [53612] (2 superfamilies)

73. c.73: Carbamate kinase-like [53632] (1 superfamily)

74. c.74: Class II aldolase [53638] (1 superfamily)

75. c.75: Cytosolic phospholipase A2 catalytic domain [53643] (1 superfamily)

76. c.76: Alkaline phosphatase-like [53648] (1 superfamily)

77. c.77: Isocitrate & isopropylmalate dehydrogenases [53658] (1 superfamily)

78. c.78: ATC-like [53670] (2 superfamilies)

79. c.79: Tryptophan synthase beta subunit-like PLP-dependent enzymes [53685] (1 superfamily)

80. c.80: SIS domain [53696] (1 superfamily)

81. c.81: Formate dehydrogenase/DMSO reductase, domains 1-3 [53705] (1 superfamily)

82. c.82: ALDH-like [53719] (1 superfamily)

83. c.83: Aconitase, first 3 domains [53731] (1 superfamily)

84. c.84: Phosphoglucomutase, first 3 domains [53737] (1 superfamily)

85. c.85: L-fucose isomerase, N-terminal and second domains [53742] (1 superfamily)

86. c.86: Phosphoglycerate kinase [53747] (1 superfamily)

87. c.87: UDP-Glycosyltransferase/glycogen phosphorylase [53755] (1 superfamily)

88. c.88: Glutaminase/Asparaginase [53773] (1 superfamily)

89. c.89: Phosphofructokinase [53783] (1 superfamily)

90. c.90: Cobalt precorrin-4 methyltransferase CbiF [53789] (1 superfamily)

91. c.91: PEP carboxykinase-like [53794] (1 superfamily)

92. c.92: Chelatase-like [53799] (2 superfamilies)

93. c.93: Periplasmic binding protein-like I [53821] (1 superfamily)

94. c.94: Periplasmic binding protein-like II [53849] (1 superfamily)

95. c.95: Thiolase-like [53900] (1 superfamily)

96. c.96: Fe-only hydrogenase [53919] (1 superfamily)

97. c.97: Cytidine deaminase-like [53926] (2 superfamilies)

98. c.98: MurE/MurF N-terminal domain [63417] (1 superfamily)

99. c.99: Dipeptide transport protein [63991] (1 superfamily)

100. c.100: Thiamin pyrophosphokinase, catalytic domain [63998] (1 superfamily)

101. c.101: Undecaprenyl diphosphate synthase [64004] (1 superfamily)

102. c.102: Cell-division inhibitor MinC, N-terminal domain [64042] (1 superfamily)

103. c.103: Hypothetical protein MT938 (MTH938) [64075] (1 superfamily)

104. c.104: YjeF-like [64152] (1 superfamily)

105. c.105: 2,3-Bisphosphoglycerate-independent phosphoglycerate mutase, substrate-binding domain [64157] (1 superfamily)

106. c.106: SurE-like [64166] (1 superfamily)

107. c.107: Manganese-dependent inorganic pyrophosphatase (family II) [64181] (1 superfamily)

108. c.108: HAD-like [56783] (1 superfamily)

109. c.109: PEP carboxykinase N-terminal domain [68922] (1 superfamily)

110. c.110: D-Tyr tRNAtyr deacylase [69499] (1 superfamily)

111. c.111: Molybdenum cofactor biosynthesis protein MoeB [69571] (1 superfamily)

112. c.112: Glycerol-3-phosphate (1)-acyltransferase [69592] (1 superfamily)

113. c.113: Uroporphyrinogen III synthase (U3S, HemD) [69617] (1 superfamily)

More info for Class c: Alpha and beta proteins (a/b)

Timeline for Class c: Alpha and beta proteins (a/b):

• Class c: Alpha and beta proteins (a/b) first appeared (with stable ids) in SCOP 1.55
  
• Class c: Alpha and beta proteins (a/b) appears in SCOP 1.57
  
• Class c: Alpha and beta proteins (a/b) appears in SCOP 1.61
  
• Class c: Alpha and beta proteins (a/b) appears in the current release, SCOPe 2.08