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

  1. Root: SCOP 1.65
  2. 305035Class c: Alpha and beta proteins (a/b) [51349] (121 folds)

Folds:

  1. 305036c.1: TIM beta/alpha-barrel [51350] (26 superfamilies)
    contains parallel beta-sheet barrel, closed; n=8, S=8; strand order 12345678
    the first seven superfamilies have similar phosphate-binding sites
  2. 307887c.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. 309374c.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. 309865c.4: Nucleotide-binding domain [51970] (1 superfamily)
    3 layers: a/b/a; parallel beta-sheet of 5 strands, order 32145; Rossmann-like
  5. 309960c.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. 309983c.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. 310048c.7: PFL-like glycyl radical enzymes [51997] (1 superfamily)
    contains: barrel, closed; n=10, S=10; accommodates a hairpin loop inside the barrel
  8. 310107c.8: The "swivelling" beta/beta/alpha domain [52008] (7 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 all proteins known to contain it
  9. 310311c.9: Barstar-like [52037] (2 superfamilies)
    2 layers, a/b; parallel beta-sheet of 3 strands, order 123
  10. 310356c.10: Leucine-rich repeat, LRR (right-handed beta-alpha superhelix) [52046] (2 superfamilies)
    2 curved layers, a/b; parallel beta-sheet; order 1234...N
  11. 310491c.11: Outer arm dynein light chain 1 [52074] (1 superfamily)
    (beta-beta-alpha)n superhelix
  12. 310498c.12: Ribosomal proteins L15p and L18e [52079] (1 superfamily)
    core: three turns of irregular (beta-beta-alpha)n superhelix
  13. 310529c.13: SpoIIaa-like [52086] (2 superfamilies)
    core: 4 turns of a (beta-alpha)n superhelix
  14. 310547c.14: ClpP/crotonase [52095] (1 superfamily)
    core: 4 turns of (beta-beta-alpha)n superhelix
  15. 310706c.15: BRCT domain [52112] (1 superfamily)
    3 layers, a/b/a; core: parallel beta-sheet of 4 strands, order 2134
  16. 310741c.16: Lumazine synthase [52120] (1 superfamily)
    3 layers, a/b/a; core: parallel beta-sheet of 4 strands, order 2134
  17. 310862c.17: Caspase-like [52128] (1 superfamily)
    3 layers, a/b/a; core: parallel beta-sheet of 4 strands, order 2134
  18. 310926c.18: DNA glycosylase [52140] (1 superfamily)
    3 layers, a/b/a; core: parallel beta-sheet of 4 strands, order 2134
  19. 310986c.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
  20. 311005c.20: Initiation factor IF2/eIF5b, domain 3 [52155] (1 superfamily)
    3 layers, a/b/a; core: parallel beta-sheet of 4 strands, order 2134
  21. 311013c.21: Ribosomal protein L13 [52160] (1 superfamily)
    3 layers, a/b/a; core: parallel beta-sheet of 4 strands, order 3214
  22. 311032c.22: Ribosomal protein L4 [52165] (1 superfamily)
    3 layers, a/b/a; core: parallel beta-sheet of 4 strands, order 1423
  23. 311051c.23: Flavodoxin-like [52171] (16 superfamilies)
    3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345
  24. 311970c.24: Methylglyoxal synthase-like [52334] (1 superfamily)
    3 layers, a/b/a; parallel beta-sheet of 5 strands, order 32145
  25. 312036c.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
  26. 312145c.26: Adenine nucleotide alpha hydrolase-like [52373] (3 superfamilies)
    core: 3 layers, a/b/a ; parallel beta-sheet of 5 strands, order 32145
  27. 312560c.27: Nucleoside phosphorylase/phosphoribosyltransferase catalytic domain [52417] (1 superfamily)
    3 layers: a/b/a; parallel beta-sheet of 5 strands, order 32145; Rossmann-like
  28. 312591c.28: Cryptochrome/photolyase, N-terminal domain [52424] (1 superfamily)
    3 layers: a/b/a; parallel beta-sheet of 5 strands, order 32145; Rossmann-like
  29. 312607c.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
  30. 312760c.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
  31. 312860c.32: Tubulin/Dihydroxyacetone kinase nucleotide-binding domain [52489] (1 superfamily)
    3 layers: a/b/a; parallel beta-sheet of 6 strands, order 321456
  32. 312886c.33: Cysteine hydrolase [52498] (1 superfamily)
    3 layers: a/b/a; parallel beta-sheet of 6 strands, order 321456
  33. 312908c.34: DFP DNA/pantothenate metabolism flavoprotein [52506] (1 superfamily)
    3 layers: a/b/a; parallel beta-sheet of 6 strands, order 321456
  34. 312934c.35: Phosphosugar isomerase [52511] (1 superfamily)
    core: 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 321456
  35. 312976c.36: Thiamin diphosphate-binding fold (THDP-binding) [52517] (1 superfamily)
    3 layers: a/b/a; parallel beta-sheet of 6 strands, order 213465
  36. 313180c.37: P-loop containing nucleoside triphosphate hydrolases [52539] (1 superfamily)
    3 layers: a/b/a, parallel or mixed beta-sheets of variable sizes
  37. 314729c.38: PTS IIb component [52727] (1 superfamily)
    3 layers: a/b/a, parallel beta-sheet of 6 strands, order 324156
  38. 314741c.39: Nicotinate mononucleotide:5,6-dimethylbenzimidazole phosphoribosyltransferase (CobT) [52732] (1 superfamily)
    3 layers: a/b/a, parallel beta-sheet of 7 strands, order 3214567
  39. 314776c.40: Methylesterase CheB, C-terminal domain [52737] (1 superfamily)
    3 layers: a/b/a, parallel beta-sheet of 7 strands, order 3421567
  40. 314784c.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
  41. 314927c.42: Arginase/deacetylase [52767] (1 superfamily)
    3 layers: a/b/a, parallel beta-sheet of 8 strands, order 21387456
  42. 315032c.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
  43. 315095c.44: Phosphotyrosine protein phosphatases I-like [52787] (2 superfamilies)
    3 layers: a/b/a; parallel beta-sheet of 4 strands, order 2134
  44. 315136c.45: (Phosphotyrosine protein) phosphatases II [52798] (1 superfamily)
    core: 3 layers, a/b/a; parallel beta-sheet of 4 strands, order 1432
  45. 315262c.46: Rhodanese/Cell cycle control phosphatase [52820] (1 superfamily)
    3 layers: a/b/a; parallel beta-sheet of 5 strands, order 32451
  46. 315307c.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
  47. 316015c.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
  48. 316067c.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
  49. 316177c.50: Macro domain-like [52948] (1 superfamily)
    3 layers: a/b/a; mixed beta-sheet of of 6 strands, order 165243, strand 3 is antiparallel to the rest
  50. 316208c.51: Anticodon-binding domain-like [52953] (4 superfamilies)
    3 layers: a/b/a; mixed beta-sheet of five strands, order 21345; strand 4 is antiparallel to the rest
  51. 316351c.52: Restriction endonuclease-like [52979] (3 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
  52. 316577c.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
  53. 316618c.54: IIA domain of mannose transporter, IIA-Man [53061] (1 superfamily)
    3 layers: a/b/a; mixed beta-sheet of 5 strands, order 21345; strand 5 is antiparallel to the rest
  54. 316624c.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
  55. 317273c.56: Phosphorylase/hydrolase-like [53162] (6 superfamilies)
    core: 3 layers, a/b/a ; mixed sheet of 5 strands: order 21354; strand 4 is antiparallel to the rest; contains crossover loops
  56. 317586c.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
  57. 317634c.58: Aminoacid dehydrogenase-like, N-terminal domain [53222] (1 superfamily)
    core: 3 layers: a/b/a; parallel beta-sheet of 4 strands; 2134
  58. 317854c.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
  59. 317891c.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
  60. 317985c.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
  61. 318167c.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
  62. 318249c.63: CoA transferase [53315] (1 superfamily)
    core: 3 layers: a/b/a; beta-sheet of 7 strands, order 4321567; part of sheet is folded upon itself and forms a barrel-like structure
  63. 318285c.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
  64. 318296c.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
  65. 318334c.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
  66. 318664c.67: PLP-dependent transferases [53382] (1 superfamily)
    main domain: 3 layers: a/b/a, mixed beta-sheet of 7 strands, order 3245671; strand 7 is antiparallel to the rest
  67. 319172c.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
  68. 319445c.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
  69. 319993c.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
  70. 320020c.71: Dihydrofolate reductases [53596] (1 superfamily)
    3 layers: a/b/a; mixed beta-sheet of 8 strands, order 34251687; strand 8 is antiparallel to the rest
  71. 320172c.72: Ribokinase-like [53612] (2 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
  72. 320283c.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
  73. 320300c.74: AraD-like aldolase/epimerase [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
  74. 320358c.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
  75. 320451c.77: Isocitrate/Isopropylmalate dehydrogenases [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
  76. 320535c.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
  77. 320763c.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
  78. 320884c.80: SIS domain [53696] (1 superfamily)
    3 layers: a/b/a; parallel beta-sheet of 5 strands, order 21345
  79. 320947c.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
  80. 320995c.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
  81. 321151c.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
  82. 321176c.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
  83. 321239c.85: L-fucose isomerase, N-terminal and second 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
  84. 321250c.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
  85. 321275c.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
  86. 321431c.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
  87. 321494c.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
  88. 321524c.90: Cobalt precorrin-4 methyltransferase CbiF [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
  89. 321531c.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
  90. 321573c.92: Chelatase-like [53799] (2 superfamilies)
    duplication: tandem repeat of two domains; 3 layers (a/b/a); parallel beta-sheet of 4 strands, order 2134
  91. 321700c.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
  92. 321832c.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
  93. 322246c.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; strands 1 & 5 are antiparallel to the rest
  94. 322511c.96: Fe-only hydrogenase [53919] (1 superfamily)
    consist of two intertwined domains; contains partial duplication
  95. 322523c.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 2 is antiparallel to the rest
  96. 322553c.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.
  97. 322577c.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
  98. 322587c.100: Thiamin pyrophosphokinase, catalytic domain [63998] (1 superfamily)
    3 layers: a/b/a; parallel beta-sheet of 6 strands, order 432156
  99. 322597c.101: Undecaprenyl diphosphate synthase [64004] (1 superfamily)
    3 layers: a/b/a; parallel beta-sheet of 6 strands, order 342156
  100. 322607c.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
  101. 322616c.103: Hypothetical protein MT938 (MTH938) [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
  102. 322623c.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
  103. 322630c.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
  104. 322639c.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
  105. 322656c.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
  106. 322675c.108: HAD-like [56783] (1 superfamily)
    3 layers: a/b/a; parallel beta-sheet of 6 strands, order 321456
  107. 322784c.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
  108. 322806c.110: D-Tyr tRNAtyr deacylase, DTD [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
  109. 322817c.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
  110. 322834c.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
  111. 322840c.113: Uroporphyrinogen III synthase (U3S, HemD) [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
  112. 322847c.114: YchN-like [75168] (1 superfamily)
    3 layers: a/b/a, core: parallel beta-sheet of 5 strands, order 43215
  113. 322861c.115: Hypothetical protein MTH777 (MT0777) [75180] (1 superfamily)
    3 layers: a/b/a; parallel beta-sheet of 6 strands, order 321456
  114. 322868c.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
  115. 322910c.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
  116. 322945c.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
  117. 322952c.119: DegV-like [82548] (1 superfamily)
    consists of two non-similar domains
    Domain 1 has parallel sheet of 5 strands, order 21345, and antiparallel 3-stranded sheet, 132
    Domain 2 has mixed sheet of 6 strands, order 321645; strands 2 and 6 are antiparallel to the rest
  118. 322958c.120: PIN domain-like [88722] (1 superfamily)
    3 layers, a/b/a; core: parallel beta-sheet of 5 strands, order 32145
  119. 322990c.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
  120. 323002c.122: Archaeal malate 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
  121. 323009c.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

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

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