Folds:

1. c.1: TIM beta/alpha-barrel [51350] (33 superfamilies) contains parallel beta-sheet barrel, closed; n=8, S=8; strand order 12345678 the first seven superfamilies have similar phosphate-binding sites

2. c.2: NAD(P)-binding Rossmann-fold domains [51734] (1 superfamily) core: 3 layers, a/b/a; parallel beta-sheet of 6 strands, order 321456 The nucleotide-binding modes of this and the next two folds/superfamilies are similar

3. c.3: FAD/NAD(P)-binding domain [51904] (1 superfamily) core: 3 layers, b/b/a; central parallel beta-sheet of 5 strands, order 32145; top antiparallel beta-sheet of 3 strands, meander

4. c.4: Nucleotide-binding domain [51970] (1 superfamily) 3 layers: a/b/a; parallel beta-sheet of 5 strands, order 32145; Rossmann-like

5. c.5: MurCD N-terminal domain [51983] (1 superfamily) 3 layers: a/b/a; parallel beta-sheet of 5 strands, order 32145; incomplete Rossmann-like fold; binds UDP group

6. c.6: 7-stranded beta/alpha barrel [51988] (3 superfamilies) variant of beta/alpha barrel; parallel beta-sheet barrel, closed, n=7, S=8; strand order 1234567; some members may have fewer strands

7. c.7: PFL-like glycyl radical enzymes [51997] (1 superfamily) contains: barrel, closed; n=10, S=10; accommodates a hairpin loop inside the barrel

8. c.8: The "swivelling" beta/beta/alpha domain [52008] (10 superfamilies) 3 layers: b/b/a; the central sheet is parallel, and the other one is antiparallel; there are some variations in topology this domain is thought to be mobile in most multi-domain proteins known to contain it

9. c.9: Barstar-like [52037] (2 superfamilies) 2 layers, a/b; parallel beta-sheet of 3 strands, order 123

10. c.10: Leucine-rich repeat, LRR (right-handed beta-alpha superhelix) [52046] (3 superfamilies) 2 curved layers, a/b; parallel beta-sheet; order 1234...N; there are sequence similarities between different superfamilies

11. c.12: Ribosomal proteins L15p and L18e [52079] (1 superfamily) core: three turns of irregular (beta-beta-alpha)n superhelix

12. c.13: SpoIIaa-like [52086] (2 superfamilies) core: 4 turns of a (beta-alpha)n superhelix

13. c.14: ClpP/crotonase [52095] (1 superfamily) core: 4 turns of (beta-beta-alpha)n superhelix

14. c.15: BRCT domain [52112] (1 superfamily) 3 layers, a/b/a; core: parallel beta-sheet of 4 strands, order 2134

15. c.16: Lumazine synthase [52120] (1 superfamily) 3 layers, a/b/a; core: parallel beta-sheet of 4 strands, order 2134

16. c.17: Caspase-like [52128] (1 superfamily) 3 layers, a/b/a; core: mixed beta-sheet of 6 strands, order 213456, strand 6 is antiparallel to the rest

17. c.18: Uracil-DNA glycosylase-like [52140] (1 superfamily) 3 layers, a/b/a; core: parallel beta-sheet of 4 strands, order 2134

18. c.19: FabD/lysophospholipase-like [52150] (1 superfamily) core: 3 layers, a/b/a; mixed beta-sheet of 6 strands, order 432156; strand 4 is antiparallel to the rest

19. c.20: Initiation factor IF2/eIF5b, domain 3 [52155] (1 superfamily) 3 layers, a/b/a; core: parallel beta-sheet of 4 strands, order 2134

20. c.21: Ribosomal protein L13 [52160] (1 superfamily) 3 layers, a/b/a; core: parallel beta-sheet of 4 strands, order 3214

21. c.22: Ribosomal protein L4 [52165] (1 superfamily) 3 layers, a/b/a; core: parallel beta-sheet of 4 strands, order 1423

22. c.23: Flavodoxin-like [52171] (15 superfamilies) 3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345

23. c.24: Methylglyoxal synthase-like [52334] (1 superfamily) 3 layers, a/b/a; parallel beta-sheet of 5 strands, order 32145

24. c.25: Ferredoxin reductase-like, C-terminal NADP-linked domain [52342] (1 superfamily) 3 layers, a/b/a; parallel beta-sheet of 5 strands, order 32145

25. c.26: Adenine nucleotide alpha hydrolase-like [52373] (3 superfamilies) core: 3 layers, a/b/a ; parallel beta-sheet of 5 strands, order 32145

26. c.27: Nucleoside phosphorylase/phosphoribosyltransferase catalytic domain [52417] (1 superfamily) 3 layers: a/b/a; parallel beta-sheet of 5 strands, order 32145; Rossmann-like

27. c.28: Cryptochrome/photolyase, N-terminal domain [52424] (1 superfamily) 3 layers: a/b/a; parallel beta-sheet of 5 strands, order 32145; Rossmann-like

28. c.30: PreATP-grasp domain [52439] (1 superfamily) 3 layers: a/b/a; parallel or mixed beta-sheet of 4 to 6 strands possible rudiment form of Rossmann-fold domain

29. c.31: DHS-like NAD/FAD-binding domain [52466] (1 superfamily) 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 321456; Rossmann-like

30. c.32: Tubulin nucleotide-binding domain-like [52489] (1 superfamily) 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 321456

31. c.33: Isochorismatase-like hydrolases [52498] (1 superfamily) 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 321456

32. c.34: Homo-oligomeric flavin-containing Cys decarboxylases, HFCD [52506] (1 superfamily) 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 321456

33. c.36: Thiamin diphosphate-binding fold (THDP-binding) [52517] (1 superfamily) 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 213465

34. c.37: P-loop containing nucleoside triphosphate hydrolases [52539] (1 superfamily) 3 layers: a/b/a, parallel or mixed beta-sheets of variable sizes

35. c.38: PTS IIb component [52727] (1 superfamily) 3 layers: a/b/a, parallel beta-sheet of 6 strands, order 324156

36. c.39: Nicotinate mononucleotide:5,6-dimethylbenzimidazole phosphoribosyltransferase (CobT) [52732] (1 superfamily) 3 layers: a/b/a, parallel beta-sheet of 7 strands, order 3214567

37. c.40: Methylesterase CheB, C-terminal domain [52737] (1 superfamily) 3 layers: a/b/a, parallel beta-sheet of 7 strands, order 3421567

38. c.41: Subtilisin-like [52742] (1 superfamily) 3 layers: a/b/a, parallel beta-sheet of 7 strands, order 2314567; left-handed crossover connection between strands 2 & 3

39. c.42: Arginase/deacetylase [52767] (1 superfamily) 3 layers: a/b/a, parallel beta-sheet of 8 strands, order 21387456

40. c.43: CoA-dependent acyltransferases [52776] (1 superfamily) core: 2 layers, a/b; mixed beta-sheet of 6 strands, order 324561; strands 3 & 6 are antiparallel to the rest

41. c.44: Phosphotyrosine protein phosphatases I-like [52787] (2 superfamilies) 3 layers: a/b/a; parallel beta-sheet of 4 strands, order 2134

42. c.45: (Phosphotyrosine protein) phosphatases II [52798] (1 superfamily) core: 3 layers, a/b/a; parallel beta-sheet of 4 strands, order 1423

43. c.46: Rhodanese/Cell cycle control phosphatase [52820] (1 superfamily) 3 layers: a/b/a; parallel beta-sheet of 5 strands, order 32451

44. c.47: Thioredoxin fold [52832] (2 superfamilies) core: 3 layers, a/b/a; mixed beta-sheet of 4 strands, order 4312; strand 3 is antiparallel to the rest

45. c.48: TK C-terminal domain-like [52921] (1 superfamily) 3 layers: a/b/a; mixed beta-sheet of 5 strands, order 13245, strand 1 is antiparallel to the rest

46. c.49: Pyruvate kinase C-terminal domain-like [52934] (2 superfamilies) 3 layers: a/b/a; mixed beta-sheet of 5 strands, order 32145, strand 5 is antiparallel to the rest

47. c.50: Macro domain-like [52948] (1 superfamily) 3 layers: a/b/a; mixed beta-sheet of 6 strands, order 165243, strand 3 is antiparallel to the rest

48. c.51: Anticodon-binding domain-like [52953] (6 superfamilies) 3 layers: a/b/a; mixed beta-sheet of five strands, order 21345; strand 4 is antiparallel to the rest

49. c.52: Restriction endonuclease-like [52979] (4 superfamilies) core: 3 layers, a/b/a; mixed beta-sheet of 5 strands, order 12345; strands 2 &, in some families, 5 are antiparallel to the rest

50. c.53: Resolvase-like [53040] (2 superfamilies) Core: 3 layers: a/b/a; mixed beta-sheet of 5 strands, order 21345; strand 5 is antiparallel to the rest

51. c.54: PTS system fructose IIA component-like [53061] (1 superfamily) 3 layers: a/b/a; mixed beta-sheet of 5 strands, order 21345; strand 5 is antiparallel to the rest

52. c.55: Ribonuclease H-like motif [53066] (7 superfamilies) 3 layers: a/b/a; mixed beta-sheet of 5 strands, order 32145; strand 2 is antiparallel to the rest

53. c.56: Phosphorylase/hydrolase-like [53162] (8 superfamilies) core: 3 layers, a/b/a ; mixed sheet of 5 strands: order 21354; strand 4 is antiparallel to the rest; contains crossover loops

54. c.57: Molybdenum cofactor biosynthesis proteins [53217] (1 superfamily) 3 layers: a/b/a; mixed beta-sheet of 5 strands; order: 21354, strand 5 is antiparallel to the rest; permutation of the Phosphorylase/hydrolase-like fold

55. c.58: Aminoacid dehydrogenase-like, N-terminal domain [53222] (1 superfamily) core: 3 layers: a/b/a; parallel beta-sheet of 4 strands; 2134

56. c.59: MurD-like peptide ligases, peptide-binding domain [53243] (1 superfamily) 3 layers: a/b/a; mixed beta-sheet of 6 strands, order 126345; strand 1 is antiparallel to the rest

57. c.60: Phosphoglycerate mutase-like [53253] (1 superfamily) core: 3 layers, a/b/a; mixed beta-sheet of 6 strands, order 324156; strand 5 is antiparallel to the rest

58. c.61: PRTase-like [53270] (1 superfamily) core: 3 layers, a/b/a; mixed beta-sheet of 6 strands, order 321456; strand 3 is antiparallel to the rest

59. c.62: vWA-like [53299] (1 superfamily) core: 3 layers, a/b/a; mixed beta-sheet of 6 strands, order 321456; strand 3 is antiparallel to the rest

60. c.64: Pyruvate-ferredoxin oxidoreductase, PFOR, domain III [53322] (1 superfamily) 3 layers: a/b/a; mixed beta-sheet of 6 strands, order 231456; strand 3 is antiparallel to the rest

61. c.65: Formyltransferase [53327] (1 superfamily) 3 layers: a/b/a; mixed beta-sheet of 7 strands, order 3214567; strand 6 is antiparallel to the rest

62. c.66: S-adenosyl-L-methionine-dependent methyltransferases [53334] (1 superfamily) core: 3 layers, a/b/a; mixed beta-sheet of 7 strands, order 3214576; strand 7 is antiparallel to the rest

63. c.67: PLP-dependent transferase-like [53382] (3 superfamilies) main domain: 3 layers: a/b/a, mixed beta-sheet of 7 strands, order 3245671; strand 7 is antiparallel to the rest

64. c.68: Nucleotide-diphospho-sugar transferases [53447] (1 superfamily) 3 layers: a/b/a; mixed beta-sheet of 7 strands, order 3214657; strand 6 is antiparallel to the rest

65. c.69: alpha/beta-Hydrolases [53473] (1 superfamily) core: 3 layers, a/b/a; mixed beta-sheet of 8 strands, order 12435678, strand 2 is antiparallel to the rest

66. c.70: Nucleoside hydrolase [53589] (1 superfamily) core: 3 layers, a/b/a ; mixed beta-sheet of 8 strands, order 32145687; strand 7 is antiparallel to the rest

67. c.71: Dihydrofolate reductase-like [53596] (1 superfamily) 3 layers: a/b/a; mixed beta-sheet of 8 strands, order 34251687; strand 8 is antiparallel to the rest

68. c.72: Ribokinase-like [53612] (3 superfamilies) core: 3 layers: a/b/a; mixed beta-sheet of 8 strands, order 21345678, strand 7 is antiparallel to the rest potential superfamily: members of this fold have similar functions but different ATP-binding sites

69. c.73: Carbamate kinase-like [53632] (1 superfamily) 3 layers: a/b/a; mixed (mainly parallel) beta-sheet of 8 strands, order 34215786; strand 8 is antiparallel to the rest

70. c.74: AraD/HMP-PK domain-like [53638] (1 superfamily) 3 layers: a/b/a; mixed (mostly antiparallel) beta-sheet of 9 strands, order 432159876; left-handed crossover between strands 4 and 5

71. c.76: Alkaline phosphatase-like [53648] (1 superfamily) core:3 layers: a/b/a; mixed beta-sheet of 8 strands, order 43516728, strand 7 is antiparallel to the rest

72. c.77: Isocitrate/Isopropylmalate dehydrogenase-like [53658] (1 superfamily) consists of two intertwined (sub)domains related by pseudo dyad; duplication 3 layers: a/b/a; single mixed beta-sheet of 10 strands, order 213A945867 (A=10); strands from 5 to 9 are antiparallel to the rest

73. c.78: ATC-like [53670] (2 superfamilies) consists of two similar domains related by pseudo dyad; duplication core: 3 layers, a/b/a, parallel beta-sheet of 4 strands, order 2134

74. c.79: Tryptophan synthase beta subunit-like PLP-dependent enzymes [53685] (1 superfamily) consists of two similar domains related by pseudo dyad; duplication core: 3 layers, a/b/a; parallel beta-sheet of 4 strands, order 3214

75. c.80: SIS domain [53696] (1 superfamily) 3 layers: a/b/a; parallel beta-sheet of 5 strands, order 21345

76. c.81: Formate dehydrogenase/DMSO reductase, domains 1-3 [53705] (1 superfamily) contains of two similar intertwined domains related by pseudo dyad; duplication core: 3 layers: a/b/a; parallel beta-sheet of 5 strands, order 32451

77. c.82: ALDH-like [53719] (1 superfamily) consists of two similar domains with 3 layers (a/b/a) each; duplication core: parallel beta-sheet of 5 strands, order 32145

78. c.83: Aconitase iron-sulfur domain [53731] (1 superfamily) consists of three similar domains with 3 layers (a/b/a) each; duplication core: parallel beta-sheet of 5 strands, order 32145

79. c.84: Phosphoglucomutase, first 3 domains [53737] (1 superfamily) consists of three similar domains with 3 layers (a/b/a) each; duplication core: mixed beta-sheet of 4 strands, order 2134, strand 4 is antiparallel to the rest

80. c.85: FucI/AraA N-terminal and middle domains [53742] (1 superfamily) consists of two domains of similar topology, 3 layers (a/b/a) each Domain 1 (1-173) has parallel beta-sheet of 5 strands, order 21345 Domain 2 (174-355) has parallel beta-sheet of 4 strands, order 2134

81. c.86: Phosphoglycerate kinase [53747] (1 superfamily) consists of two non-similar domains, 3 layers (a/b/a) each Domain 1 has parallel beta-sheet of 6 strands, order 342156 Domain 2 has parallel beta-sheet of 6 strands, order 321456

82. c.87: UDP-Glycosyltransferase/glycogen phosphorylase [53755] (1 superfamily) consists of two non-similar domains with 3 layers (a/b/a) each domain 1: parallel beta-sheet of 7 strands, order 3214567 domain 2: parallel beta-sheet of 6 strands, order 321456

83. c.88: Glutaminase/Asparaginase [53773] (1 superfamily) consists of two non-similar alpha/beta domains, 3 layers (a/b/a) each Domain 1 has mixed beta-sheet of 6 strands, order 213456, strand 6 is antiparallel to the rest; left-handed crossover connection between strands 4 and 5 Domain 2 has parallel beta-sheet of 4 strands, order 1234

84. c.89: Phosphofructokinase [53783] (1 superfamily) consists of two non-similar domains, 3 layers (a/b/a) each Domain 1 has mixed sheet of 7 strands, order 3214567; strands 3 & 7 are antiparallel to the rest Domain 2 has parallel sheet of 4 strands, order 2314

85. c.90: Tetrapyrrole methylase [53789] (1 superfamily) consists of two non-similar domains Domain 1 has parallel sheet of 5 strands, order 32415 Domain 2 has mixed sheet of 5 strands, order 12534; strands 4 & 5 are antiparallel to the rest

86. c.91: PEP carboxykinase-like [53794] (1 superfamily) contains a P-loop NTP-binding motif; mixed beta-sheet folds into a barrel-like structure with helices packed on one side

87. c.92: Chelatase-like [53799] (3 superfamilies) duplication: tandem repeat of two domains; 3 layers (a/b/a); parallel beta-sheet of 4 strands, order 2134

88. c.93: Periplasmic binding protein-like I [53821] (1 superfamily) consists of two similar intertwined domain with 3 layers (a/b/a) each: duplication parallel beta-sheet of 6 strands, order 213456

89. c.94: Periplasmic binding protein-like II [53849] (1 superfamily) consists of two similar intertwined domain with 3 layers (a/b/a) each: duplication mixed beta-sheet of 5 strands, order 21354; strand 5 is antiparallel to the rest

90. c.95: Thiolase-like [53900] (1 superfamily) consists of two similar domains related by pseudo dyad; duplication 3 layers: a/b/a; mixed beta-sheet of 5 strands, order 32451; strand 5 is antiparallel to the rest

91. c.96: Fe-only hydrogenase [53919] (1 superfamily) consist of two intertwined domains; contains partial duplication

92. c.97: Cytidine deaminase-like [53926] (2 superfamilies) core: alpha-beta(2)-(alpha-beta)2; 3 layers (a/b/a); mixed beta-sheet of 4 strands, order 2134; strand 1 is antiparallel to the rest

93. c.98: MurF and HprK N-domain-like [63417] (2 superfamilies) core: 3 layers, a/b/a; parallel beta-sheet of 4 strands, order 1234; structural similarity of the MurF and HprK extends beyond the core.

94. c.99: Dipeptide transport protein [63991] (1 superfamily) 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 321456; also contains a C-terminal alpha+beta subdomain

95. c.100: Thiamin pyrophosphokinase, catalytic domain [63998] (1 superfamily) 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 432156

96. c.101: Undecaprenyl diphosphate synthase [64004] (1 superfamily) 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 342156

97. c.102: Cell-division inhibitor MinC, N-terminal domain [64042] (1 superfamily) beta(2)-(alpha-beta)2-beta; 2 layers, a/b; mixed beta-sheet of 5 strands, order 12345; strands 1 & 5 are antiparallel to the rest

98. c.103: MTH938-like [64075] (1 superfamily) core: 3 layers, b+a/b/a ; the central mixed sheet of 5 strands: order 21534; strand 2 is antiparallel to the rest

99. c.104: YjeF N-terminal domain-like [64152] (1 superfamily) 3 layers: a/b/a; mixed (mainly parallel) beta-sheet of 8 strands, order 32145678; strand 8 is antiparallel to the rest

100. c.105: 2,3-Bisphosphoglycerate-independent phosphoglycerate mutase, substrate-binding domain [64157] (1 superfamily) core:3 layers: a/b/a; mixed beta-sheet of 8 strands, order 45321678, strands 4 and 5 are antiparallel to the rest

101. c.106: SurE-like [64166] (1 superfamily) 3 layers: a/b/a; mixed beta-sheet of 9 strands, order 342156798; strands 3, 8 and 9 are antiparallel to the rest; left-handed crossover connection between strands 6 and 7

102. c.107: DHH phosphoesterases [64181] (1 superfamily) consists of two non-similar domains Domain 1 has parallel sheet of 6 strands, order 321456 Domain 2 has mixed sheet of 5 strands, order 12345; strands 1 & 4 are antiparallel to the rest

103. c.108: HAD-like [56783] (1 superfamily) 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 321456

104. c.109: PEP carboxykinase N-terminal domain [68922] (1 superfamily) contains mixed beta-sheets; topology is partly similar to that of the catalytic C-terminal domain

105. c.110: DTD-like [69499] (1 superfamily) beta(2)-(alpha-beta)2-beta(3); 3 layers, a/b/b; some topological similarity to the N-terminal domain of MinC

106. c.111: Activating enzymes of the ubiquitin-like proteins [69571] (1 superfamily) 3 layers: a/b/a; mixed beta-sheet of 8 strands, order 32145678; strands 6 and 8 are antiparallel to the rest

107. c.112: Glycerol-3-phosphate (1)-acyltransferase [69592] (1 superfamily) 3 layers: a/b/a; mixed beta-sheet of 9 strands, order 918736452; strands 1, 2 and 8 are antiparallel to the rest

108. c.113: HemD-like [69617] (1 superfamily) duplication: consists of two similar 'swapped' domain with 3 layers (a/b/a) each; parallel beta-sheet of 5 strands, order 21345

109. c.114: DsrEFH-like [75168] (1 superfamily) 3 layers: a/b/a, core: parallel beta-sheet of 5 strands, order 43215

110. c.115: Hypothetical protein MTH777 (MT0777) [75180] (1 superfamily) 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 321456

111. c.116: alpha/beta knot [75216] (1 superfamily) core: 3 layers: a/b/a, parallel beta-sheet of 5 strands, order 21435; contains a deep trefoil knot

112. c.117: Amidase signature (AS) enzymes [75303] (1 superfamily) possible duplication: the topologies of N- and C-terminal halves are similar; 3 layers: a/b/a; single mixed beta-sheet of 10 strands, order 213549A867 (A=10); strands from 5 to 9 are antiparallel to the rest

113. c.118: GckA/TtuD-like [82543] (1 superfamily) consists of two non-similar domains Domain 1 has parallel sheet of 6 strands, order 321456, Rossmann-like topology Domain 2 has mixed sheet of 6 strands, order 126345; strands 5 and 6 are antiparallel to the rest; some similarity to CbiF Domain 2

114. c.119: DAK1/DegV-like [82548] (1 superfamily) 2 different domains; d1: [core: 3 layers, a/b/a; parallel sheet of 5 strands, order: 2134]; D2: [2 layers, a/b; mixed sheet of 6 strands, order 321645; strands 2 and 6 are antiparallel to the rest]

115. c.120: PIN domain-like [88722] (1 superfamily) 3 layers, a/b/a; core: parallel beta-sheet of 5 strands, order 32145

116. c.121: Ribose/Galactose isomerase RpiB/AlsB [89622] (1 superfamily) 3 layers: a/b/a, core: parallel beta-sheet of 5 strands, order 21354; topological similarity to a part of the arginase/deacetylase fold

117. c.122: L-sulfolactate dehydrogenase-like [89732] (1 superfamily) core: 3 layers, a/b/a; mixed sheet of 7 strands, order 1237456; strands 1, 6 and 7 are antiparallel to the rest

118. c.123: CoA-transferase family III (CaiB/BaiF) [89795] (1 superfamily) consist of two different alpha/beta domains; N-terminal domain has a SurE-like topology with a left-handed beta-alpha-beta unit

119. c.124: NagB/RpiA/CoA transferase-like [100949] (1 superfamily) core: 3 layers: a/b/a; parallel or mixed beta-sheet of 6 strands, order 321456

120. c.125: Creatininase [102214] (1 superfamily) 3 layers, a/b/a; core: parallel beta-sheet of 4 strands, order 2134

121. c.126: DNA polymerase III psi subunit [102219] (1 superfamily) 3 layers, a/b/a; parallel beta-sheet of 4 strands, order 2134

122. c.127: F420-dependent methylenetetrahydromethanopterin dehydrogenase (MTD) [102323] (1 superfamily) 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 213456

123. c.128: DNA polymerase III chi subunit [102399] (1 superfamily) 3 layers, a/b/a; parallel beta-sheet of 7 strands, order 7165243

124. c.129: MCP/YpsA-like [102404] (1 superfamily) 3 layers: a/b/a, parallel beta-sheet of 7 strands, order 4321567

125. c.130: Alpha-2,3/8-sialyltransferase CstII [102413] (1 superfamily) 3 layers: a/b/a; parallel beta-sheet of 8 strands, order 54321678

126. c.131: Peptidyl-tRNA hydrolase II [102461] (1 superfamily) 3 layers: a/b/a; mixed beta-sheet of 4 strands, order 2143, strand 4 is antiparallel to the rest

127. c.132: Bacterial fluorinating enzyme, N-terminal domain [102521] (1 superfamily) 3 layers: a/b/a; mixed beta-sheet of 6 strands; order: 213546, strand 5 is antiparallel to the rest; topological similarity to the MogA-like family fold

128. c.133: RbsD-like [102545] (1 superfamily) 3 layers: a/b/a; mixed beta-sheet of 6 strands, order 251634; strand 6 is antiparallel to the rest

129. c.134: LmbE-like [102587] (1 superfamily) 3 layers, a/b/a; mixed beta-sheet of 7 strands, order 3214576; strand 7 is antiparallel to the rest; topological similarity to SAM-dependent methyltransferases

130. c.135: NIF3 (NGG1p interacting factor 3)-like [102704] (1 superfamily) consist of two intertwined domains; duplication: contains two structural repeats of alpha-beta-(beta-alpha)3 motif with mixed beta-sheet, order: 1432, strand 1 is antiparallel to the rest

131. c.136: Toprim domain [110454] (1 superfamily) 3 layers, a/b/a; parallel beta-sheet of 4 strands, order 2134

132. c.138: Indigoidine synthase A-like [110580] (1 superfamily) core: 3 layers, a/b/a; parallel beta-sheet of 7 strands, order 2134756

133. c.140: TTHA0583/YokD-like [110709] (1 superfamily) 3 layers: a/b/a; mixed beta-sheet of 8 strands, order 78612354; strands 3, 4 and 8 are antiparallel to the rest

134. c.141: Glycerate kinase I [110737] (1 superfamily) consists of two different alpha/beta domains; (1) of the Flavodoxin-like fold (52171); (2) similar to the Restriction endonuclease-like fold (52979), inserted into domain 1

135. c.142: Nqo1 FMN-binding domain-like [142018] (1 superfamily) 3 layers, a/b/a; parallel beta-sheet of 4 strands, order 3214

136. c.143: CofD-like [142337] (1 superfamily) 3 layers: a/b/a, parallel beta-sheet of 7 strands, order 3214567; topological similarity to the CobT-like fold (52732)

137. c.144: RibA-like [142694] (1 superfamily) 3 layers: a/b/a; mixed beta-sheet of 7 strands, order 1235467, strands 1 and 3 are antiparallel to the rest; partial topological similarity to some alpha/beta hydrolases (53473)

138. c.145: NadA-like [142753] (1 superfamily) duplication; consists of three similar domains related by pseudo threefold symmetry; 3 layers, a/b/a; parallel beta sheet, order: 2134

139. c.146: YgbK-like [142763] (1 superfamily) consists of two domains with partial topological similarity to the P-loop kinases but without the P-loop motif; the domain association results in the formation of a single mixed beta-sheet of 15 strands

140. c.147: CAC2185-like [142794] (1 superfamily) consists of two non-similar domains, 3 layers (a/b/a) each; d1 has parallel sheet of 4 strands, order 2134; d2 has parallel sheet of 5 strands, order 21345, and antiparallel meander sheet of 3 strands

141. c.148: ComB-like [142822] (1 superfamily) contains of two similar intertwined domains related by pseudo dyad; duplication; core: 3 layers: a/b/a; parallel beta-sheet of 4 strands, order 1423

142. c.149: AtpF-like [159467] (1 superfamily) 3 layers, a/b/a; core: parallel beta-sheet of 4 strands, order 2134

143. c.150: EreA/ChaN-like [159500] (1 superfamily) Core: 3 layers: a/b/a; parallel beta-sheet of 5 strands, order:51423;

144. c.151: CobE/GbiG C-terminal domain-like [159663] (1 superfamily) 3 layers: a/b/a; mixed beta-sheet of 5 strands, order 32154; strand 5 is antiparallel to the rest

145. c.152: CbiG N-terminal domain-like [159671] (1 superfamily) 3 layers: a/b/a; mixed beta-sheet of 6 strands, order 213456, strand 5 is antiparallel to the rest

146. c.153: YerB-like [159773] (1 superfamily) 3 layers: b/b/a; central mixed beta-sheet of 9 strands, order 541329678; strands 3 and 7 are antiparallel to the rest; an unusual "over the other end" connection between strands 3 and 4

147. c.154: CdCA1 repeat-like [159778] (1 superfamily) contains two parallel beta-strands of four strands each; the sheets contact each other with edges at a right angle

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 SCOPe 2.01
  
• Class c: Alpha and beta proteins (a/b) appears in SCOPe 2.03
  
• Class c: Alpha and beta proteins (a/b) appears in the current release, SCOPe 2.08