Structural Classification of Proteins
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Fold: TolA/TonB C-terminal domain

beta(2)-alpha-beta; 2 layers, alpha/beta; left-handed beta-alpha-beta unit in non-swapped monomer

Lineage:

  1. Root: scop
  2. Class: Alpha and beta proteins (a+b) [53931]
    Mainly antiparallel beta sheets (segregated alpha and beta regions)
  3. Fold: TolA/TonB C-terminal domain [74652]
    beta(2)-alpha-beta; 2 layers, alpha/beta; left-handed beta-alpha-beta unit in non-swapped monomer

Superfamilies:

  1. TolA/TonB C-terminal domain [74653] (2)
    link to SUPERFAMILY database - Superfamily
    1. TolA [55217] (2)
      contains extra N-terminal helix
      1. TolA [55218]
        1. Escherichia coli [TaxId: 562] [55219] (2)
          1. 1tol picpicxref
            Fused with the N-terminal domain of gp3 from phage M13
            1. region a:125-216 [39587] picpiclink
          2. 1s62 picpic
            automatically matched to d1tola2
            1. region a:12-100 [118874] picpiclink
        2. Pseudomonas aeruginosa [TaxId: 287] [75477] (1)
          1. 1lr0 picpic
            complexed with mse, trs, zn
            1. chain a [74213] picpiclink
    2. TonB [64326] (1)
      isolated domain can form different segment-swapped dimers depending on the fragment length
      1. TonB [64327]
        1. Escherichia coli [TaxId: 562] [64328] (7)
          SQ P02929 150-239
          1. 1u07 picpic
            significant structural changes compared to shorter C-terminal fragments; monomer is structurally similar to the TolA domain
            1. chain a [112902] picpiclink
            2. chain b [112903] picpiclink
          2. 1ihr picpic
            forms segment-swapped dimer with a single coiled antiparallel beta-sheet
            complexed with br
            1. chain a [62392] picpiclink
            2. chain b [62393] picpiclink
          3. 2gsk picpicxref
            automatically matched to d1u07a_
            complexed with ca, cnc, hex, lda, oct
            1. region b:153-233 [135588] picpiclink
          4. 1qxx picpic
            forms segment-swapped dimer with a single coiled antiparallel beta-sheet
            1. chain a [96564] picpiclink
          5. 2grx picpicxrefxref
            automatically matched to d1u07a_
            complexed with dao, dpo, eap, fci, ftt, gcn, gmh, kdo, myr, po4
            1. region c:158-235 [135571] picpiclink
          6. 2grx picpicxrefxref
            automatically matched to d1u07a_
            complexed with dao, dpo, eap, fci, ftt, gcn, gmh, kdo, myr, po4
            1. region d:158-235 [135572] picpiclink
          7. 1xx3 picpic
            automatically matched to d1qxxa_
            1. region a:164-239 [122413] picpiclink
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MRC site Generated from scop database 1.75 with scopm 1.101 on Wed Jun 3 10:42:06 2009
Copyright © 1994-2009 The scop authors / scop@mrc-lmb.cam.ac.uk