Folds:

1. b.1: Immunoglobulin-like beta-sandwich [48725] (20 superfamilies) sandwich; 7 strands in 2 sheets; greek-key some members of the fold have additional strands

2. b.2: Common fold of diphtheria toxin/transcription factors/cytochrome f [49379] (8 superfamilies) sandwich; 9 strands in 2 sheet; greek-key; subclass of immunoglobin-like fold

3. b.3: Prealbumin-like [49451] (6 superfamilies) sandwich; 7 strands in 2 sheets, greek-key variations: some members have additional 1-2 strands to common fold

4. b.4: HSP40/DnaJ peptide-binding domain [49492] (1 superfamily) sandwich; 6 strands in 2 sheets

5. b.5: alpha-Amylase inhibitor tendamistat [49497] (1 superfamily) sandwich; 6 strands in 2 sheets

6. b.6: Cupredoxin-like [49502] (2 superfamilies) sandwich; 7 strands in 2 sheets, greek-key variations: some members have additional 1-2 strands

7. b.7: C2 domain-like [49561] (4 superfamilies) sandwich; 8 strands in 2 sheets; greek-key

8. b.8: TRAF domain-like [49598] (1 superfamily) sandwich; 8 strands in 2 sheets; greek-key

9. b.9: Neurophysin II [49605] (1 superfamily) sandwich; 8 strands in 2 sheets; meander

10. b.10: Viral coat and capsid proteins [49610] (1 superfamily) sandwich; 8 strands in 2 sheets; jelly-roll variations: some members have additional 1-2 strands

11. b.11: gamma-Crystallin-like [49694] (1 superfamily) sandwich; 8 strands in 2 sheets; greek-key duplication: has internal pseudo twofold symmetry

12. b.12: Lipase/lipooxygenase domain (PLAT/LH2 domain) [49722] (1 superfamily) sandwich; 8 strands in 2 sheets; complex topology duplication: has weak internal pseudo twofold symmetry

13. b.13: Nucleoplasmin/PNGase F-like [49741] (3 superfamilies) sandwich; 8 strands in 2 sheets; jelly-roll

14. b.14: Calpain large subunit, middle domain (domain III) [49757] (1 superfamily) sandwich; 8 strands in 2 sheets; jelly-roll

15. b.15: HSP20-like chaperones [49763] (1 superfamily) sandwich; 8 strands in 2 sheets; greek-key

16. b.16: Ecotin, trypsin inhibitor [49771] (1 superfamily) sandwich; 8 strands in 2 sheets; complex topology with the crossing loops

17. b.17: PEBP-like [49776] (1 superfamily) sandwich; 8 strands in 2 sheets; greek-key: partial topological similarity to immunoglobulin-like folds

18. b.18: Galactose-binding domain-like [49784] (1 superfamily) sandwich; 9 strands in 2 sheets; jelly-roll

19. b.19: Viral protein domain [49817] (1 superfamily) sandwich; 9 strands in 2 sheets; jelly-roll; form trimers

20. b.20: F-MuLV receptor-binding domain [49829] (1 superfamily) sandwich; 9 strands in 2 sheets; greek-key; contains a few helices in loop regions

21. b.21: Virus attachment protein [49834] (1 superfamily) sandwich, 10 strands in 2 sheets; greek-key

22. b.22: TNF-like [49841] (1 superfamily) sandwich, 10 strands in 2 sheets; jelly-roll

23. b.23: Spermadhesin, CUB domain [49853] (1 superfamily) sandwich, 10 strands in 2 sheets; jelly-roll

24. b.24: Hyaluronate lyase-like, C-terminal domain [49862] (1 superfamily) sandwich, 10 strands in 2 sheets; "folded meander"

25. b.25: Osmotin, thaumatin-like protein [49869] (1 superfamily) sandwich; 11 strands in 2 sheets

26. b.26: SMAD/FHA domain [49878] (1 superfamily) sandwich; 11 strands in 2 sheets; greek-key

27. b.27: Soluble secreted chemokine inhibitor, VCCI [49888] (1 superfamily) sandwich; 11 strands in 2 sheets; greek-key

28. b.28: Paculovirus p35 [49893] (1 superfamily) sandwich; 14 strands in 2 sheets; greek-key

29. b.29: Concanavalin A-like lectins/glucanases [49898] (1 superfamily) sandwich; 12-14 strands in 2 sheets; complex topology

30. b.30: Supersandwich [49993] (3 superfamilies) sandwich; 18 strands in 2 sheets

31. b.31: EV matrix protein [50011] (1 superfamily) consists of two beta-sandwich domains of similar topologies

32. b.32: gp9 [50016] (1 superfamily) consists of two different beta-sandwich domains unrelated to other beta-sandwich folds

33. b.33: ISP domain [50021] (1 superfamily) consists of two all-beta subdomains: conserved small domain has a rubredoxin-like fold; larger domain consists of 6 beta-stands packed in either sandwich of two 3-stranded sheets or closed barrel (n=6; S=8)

34. b.34: SH3-like barrel [50036] (12 superfamilies) barrel, partly opened; n*=4, S*=8; meander the last strand is interrupted by a turn of 3-10 helix

35. b.35: GroES-like [50128] (2 superfamilies) contains barrel, partly opened; n*=4, S*=8; meander

36. b.36: PDZ domain-like [50155] (1 superfamily) contains barrel, partly opened; n*=4, S*=8; meander; capped by alpha-helix

37. b.37: N-terminal domains of the minor coat protein g3p [50175] (1 superfamily) core: barrel, in some members open; n*=4, S*=8; meander

38. b.38: Sm-like fold [50181] (2 superfamilies) core: barrel, open; n*=4, S*=8; meander; SH3-like topology

39. b.39: Ribosomal protein L14 [50192] (1 superfamily) barrel, closed; n=5, S=8, meander

40. b.40: OB-fold [50198] (9 superfamilies) barrel, closed or partly opened n=5, S=10 or S=8; greek-key

41. b.41: Photosynthetic reaction centre, H-chain, cytoplasmic domain [50345] (1 superfamily) core: barrel, partly opened; n*=5, S*=8; meander

42. b.42: beta-Trefoil [50352] (6 superfamilies) barrel, closed; n=6, S=12; and a hairpin triplet; meander duplication: has internal pseudo threefold symmetry

43. b.43: Reductase/isomerase/elongation factor common domain [50412] (4 superfamilies) barrel, closed; n=6, S=10; greek-key

44. b.44: EF-Tu/eEF-1alpha/eIF2-gamma C-terminal domain [50464] (1 superfamily) barrel, closed; n=6, S=10; greek-key

45. b.45: FMN-binding split barrel [50474] (1 superfamily) barrel; n=6, S=10; greek-key

46. b.46: FMT C-terminal domain-like [50485] (1 superfamily) barrel, open; n*=6, S*=10; greek-key

47. b.47: Trypsin-like serine proteases [50493] (1 superfamily) barrel, closed; n=6, S=8; greek-key duplication: consists of two domains of the same fold

48. b.48: mu transposase, C-terminal domain [50609] (1 superfamily) barrel; n=6, S=8, greek-key

49. b.49: Domain of alpha and beta subunits of F1 ATP synthase-like [50614] (2 superfamilies) barrel, closed; n=6, S=8; greek-key

50. b.50: Acid proteases [50629] (1 superfamily) barrel, closed; n=6, S=10, complex topology

51. b.51: ValRS/IleRS/LeuRS editing domain [50676] (1 superfamily) core: barrel, closed; n=6, S=8; topology is similar to that of the acid proteases barrel

52. b.52: Double psi beta-barrel [50684] (2 superfamilies) barrel, closed; n=6, S=10; complex topology with crossover (psi) loops

53. b.53: Ribosomal protein L25-like [50714] (1 superfamily) barrel, closed; n=6, S=10; complex topology

54. b.54: Core binding factor beta, CBF [50722] (1 superfamily) barrel, closed; n=6, S=10; meander; capped at both ends by alpha-helices

55. b.55: PH domain-like [50728] (1 superfamily) barrel, partly opened; n*=6, S*=12; meander; capped by an alpha-helix

56. b.56: Transcription factor IIA (TFIIA), N-terminal domain [50783] (1 superfamily) barrel, closed; n=6, S=12; mixed beta-sheet

57. b.57: Herpes virus serine proteinase, assemblin [50788] (1 superfamily) core: barrel, closed; n=7, S=8; complex topology

58. b.58: PK beta-barrel domain-like [50799] (1 superfamily) barrel, closed; n=7, S=10; complex topology

59. b.59: XRCC4, N-terminal domain [50808] (1 superfamily) barrel, closed; n=7, S=10; order: 1234765; strands 1 and 5 are parallel to each other

60. b.60: Lipocalins [50813] (1 superfamily) barrel, closed or opened; n=8, S=12; meander

61. b.61: Streptavidin-like [50875] (5 superfamilies) barrel, closed; n=8, S=10; meander

62. b.62: Cyclophilin (peptidylprolyl isomerase) [50890] (1 superfamily) barrel, closed; n=8, S=10; complex topology

63. b.63: Oncogene products [50903] (1 superfamily) barrel, closed; n=8, S=10; one overside connection

64. b.64: Mannose 6-phosphate receptor domain [50910] (1 superfamily) barrel, partly open; n*=8, S*=10; one psi loop

65. b.65: triple barrel [50915] (1 superfamily) dimer of two non-identical subunits; forms two similar barrels, n=8, S=10 each, that are fused together with the formation of third barrel, n=6, S=8

66. b.66: 4-bladed beta-propeller [50922] (1 superfamily) consists of four 4-stranded beta-sheet motifs; meander

67. b.67: 5-bladed beta-propeller [50933] (2 superfamilies) consists of five 4-stranded beta-sheet motifs; meander

68. b.68: 6-bladed beta-propeller [50938] (7 superfamilies) consists of six 4-stranded beta-sheet motifs; meander

69. b.69: 7-bladed beta-propeller [50964] (10 superfamilies) consists of seven 4-stranded beta-sheet motifs; meander

70. b.70: 8-bladed beta-propeller [50997] (3 superfamilies) consists of eight 4-stranded beta-sheet motifs; meander also found in some members of the WD40-repeat superfamily

71. b.71: alpha-Amylases, C-terminal beta-sheet domain [51010] (1 superfamily) folded sheet; greek-key

72. b.72: WW domain-like [51044] (2 superfamilies) core: 3-stranded meander beta-sheet

73. b.73: Head domain of nucleotide exchange factor GrpE [51063] (1 superfamily) small mixed beta-sheet, 4 "generalized" strands

74. b.74: Carbonic anhydrase [51068] (1 superfamily) single sheet; 10 strands

75. b.75: Bacteriochlorophyll A protein [51080] (1 superfamily) single sheet; 16 strands; meander

76. b.76: open-sided beta-meander [51086] (2 superfamilies) single sheet formed by beta-hairpin repeats; exposed on both sides in the middle

77. b.77: beta-Prism I [51091] (3 superfamilies) consists of 3 4-stranded sheets; strands are parallel to the 3-fold axis duplication: has internal pseudo threefold symmetry

78. b.78: beta-Prism II [51109] (1 superfamily) consists of 3 4-stranded sheets; strands are perpendicular to the 3-fold axis duplication: consists of two domains of this fold

79. b.79: beta-Roll [51119] (1 superfamily) contains a parallel beta-helix that binds calcium ions between its turns

80. b.80: Single-stranded right-handed beta-helix [51125] (5 superfamilies) superhelix with each turn made by 3 strands with short links duplication: turns of the helix are structural repeats

81. b.81: Single-stranded left-handed beta-helix [51160] (2 superfamilies) superhelix with each turn made by 3 strands with short links

82. b.82: Double-stranded beta-helix [51181] (7 superfamilies) one turn of helix is made by two pairs of antiparallel strands linked with short turns has appearance of a sandwich of distinct architecture and jelly-roll topology

83. b.83: Triple beta-spiral [51224] (1 superfamily) trimer formed by the interlocking beta-hairpin repeat units

84. b.84: Barrel-sandwich hybrid [51229] (3 superfamilies) sandwich of half-barrel shaped beta-sheets

85. b.85: beta-clip [51268] (7 superfamilies) double-stranded ribbon sharply bent in two places; the ribbon ends form incomplete barrel; jelly-roll

86. b.86: Hedgehog/intein (Hint) domain [51293] (1 superfamily) complex fold made of five beta-hairpin units and a b-ribbon arc

87. b.87: LexA/Signal peptidase [51305] (1 superfamily) complex fold made of several coiled beta-sheets; contains an SH3-like barrel

88. b.88: Mss4-like [51315] (1 superfamily) complex fold made of several coiled beta-sheets

89. b.89: Cyanovirin-N [51321] (1 superfamily) complex fold

90. b.90: Head-binding domain of phage P22 tailspike protein [51326] (1 superfamily) complex fold made of bifurcated and partly folded beta-sheet

91. b.91: E2 regulatory, transactivation domain [51331] (1 superfamily) complex fold made of bifurcated and coiled beta-sheets

92. b.92: Composite domain of metallo-dependent hydrolases [51337] (1 superfamily) pseudobarrel; mixed sheet of 7 strand folded upon itself and "buckled" by two beta-turns

93. b.93: Epsilon subunit of F1F0-ATP synthase N-terminal domain [51343] (1 superfamily) pseudobarrel: sandwich of two sheets packed at a positive interstrand angle and interconnected with many short turns

94. b.94: Olfactory marker protein [63696] (1 superfamily) sandwich; 8 strands in 2 sheets; jelly-roll

95. b.95: Ganglioside M2 (gm2) activator [63706] (1 superfamily) sandwich; 8 strands in 2 sheets; greek-key: partial topological similarity to immunoglobulin-like folds

96. b.96: Nicotinic receptor ligand binding domain-like [63711] (1 superfamily) sandwich; 8 strands in 2 sheets; greek-key: partial topological similarity to immunoglobulin-like folds

97. b.97: Equinatoxin II (eqtII, tenebrosin C) [63723] (1 superfamily) sandwich, 10 strands in 2 sheets;

98. b.98: Leukotriene A4 hydrolase N-terminal domain [63736] (1 superfamily) duplication: two beta-sandwiches of similar topologies are fused together in a single three beta-sheet domain

99. b.100: Sortase [63816] (1 superfamily) barrel, closed; n=8, S=10; mixed sheet; two overside connections

100. b.101: Ribonuclease domain of colicin E3 [63839] (1 superfamily) twisted meander beta-sheet of 6 strands

101. b.102: Methuselah ectodomain [63876] (1 superfamily) complex fold

102. b.103: Molybdenum cofactor biosynthesis protein MoeA, N-terminal and linker domains [63881] (1 superfamily) complex fold made of bifurcated and coiled b-sheets

103. b.104: P-domain of calnexin/calreticulin [63886] (1 superfamily) non-globular proline-rich hairpin

104. b.105: Penicillin-binding protein 5, C-terminal domain [69188] (1 superfamily) sandwich; 6 strands in 2 sheets

105. b.106: Phage tail proteins [69278] (1 superfamily) core: barrel; n=6, S=10; greek-key; topologically similar to the FMN-binding split barrel

106. b.107: Urease metallochaperone UreE, N-terminal domain [69286] (1 superfamily) barrel, closed; n=6, S=8; a crossover loop topology

107. b.108: Triple-stranded beta-helix [69348] (1 superfamily) (homo)trimer; each chain donates 3 beta-strands per turn of the helix

108. b.109: beta-hairpin stack [69359] (1 superfamily) Trp-rich beta-hairpin repeat units form helical structures of 3 units per turn

109. b.110: Colicin E3 translocation domain [69368] (1 superfamily) complex fold made of several coiled beta-sheets

110. b.111: Small protein B (SmpB) [74981] (1 superfamily) barrel, closed; n=6, S=8, greek-key, partial similarity to the OB-fold

111. b.112: C-terminal domain of octopus hemocyanin [81278] (1 superfamily) six-stranded beta-sandwich, jelly-roll/greek-key topology

112. b.113: N-terminal domain of MutM-like DNA repair proteins [81625] (1 superfamily) pseudobarrel; capped on both ends by alpha-helices

113. b.114: N-utilization substance G protein NusG, insert domain [82003] (1 superfamily) sandwich; 8 strands in 2 sheets; meander

114. b.115: Fucose-binding lectin II (PA-IIL) [82025] (1 superfamily) sandwich; 9 strands in 2 sheets; greek-key

115. b.116: Viral chemokine binding protein m3 [82045] (1 superfamily)

116. b.117: Obg-fold [82050] (1 superfamily) this fold is formed by three glycine-rich regions inserted into a small 8-stranded beta-sandwich these regions form six left-handed collagen-like helices packed and H-bonded together

117. b.118: FAS1 domain [82152] (1 superfamily) core: barrel, closed; n=7, S=12; meander

118. b.119: C-terminal autoproteolytic domain of nucleoporin nup98 [82214] (1 superfamily) multisheet protein with a mixture of beta-sandwich and beta-prism features

119. b.120: Tp47 lipoprotein, N-terminal domain [82219] (1 superfamily) complex fold; consists of two intertwined subdomains

More info for Class b: All beta proteins

Timeline for Class b: All beta proteins:

• Class b: All beta proteins first appeared (with stable ids) in SCOP 1.55
  
• Class b: All beta proteins appears in SCOP 1.61
  
• Class b: All beta proteins appears in SCOP 1.65
  
• Class b: All beta proteins appears in the current release, SCOPe 2.08