Structural Classification of Proteins
home mail help root up expand collapse

Fold: Double-split beta-barrel

pseudobarrel; capped on both ends by alpha-helices

Lineage:

  1. Root: scop
  2. Class: All beta proteins [48724]
  3. Fold: Double-split beta-barrel [89446]
    pseudobarrel; capped on both ends by alpha-helices

Superfamilies:

  1. AbrB/MazE/MraZ-like [89447] (3)
    members of this superfamily are known or predicted to have DNA-binding function
    link to SUPERFAMILY database - Superfamily
    1. Kis/PemI addiction antidote [89448] (1)
      forms intertwined homodimer
      1. MazE [89449]
        1. Escherichia coli [TaxId: 562] [89450] (2)
          1. 1mvf picpicxref
            complex with camelid antibody VHh
            1. chain d [85143] picpiclink
            2. chain e [85144] picpiclink
          2. 1ub4 picpicxref
            complex with MazF poison protein
            1. chain c [88401] picpiclink
    2. AbrB N-terminal domain-like [54743] (2)
      dimeric fold similar to MazE; the DNA-binding site is similar to the conserved surface site of MraZ
      1. Transcription-state regulator AbrB, the N-terminal DNA recognition domain [54744]
        1. Bacillus subtilis [TaxId: 1423] [54745] (6)
          1. 1yfb picpic
            automatically matched to d1ekta_
            1. region a:3-53 [123057] picpiclink
          2. 1yfb picpic
            automatically matched to d1ekta_
            1. region b:3-53 [123058] picpiclink
          3. 1ysf picpic
            automatically matched to d1ekta_
            1. region a:3-53 [123971] picpiclink
          4. 1ysf picpic
            automatically matched to d1ekta_
            1. region b:3-53 [123972] picpiclink
          5. 1z0r picpic
            automatically matched to d1ekta_
            1. region a:1-53 [124326] picpiclink
          6. 1z0r picpic
            automatically matched to d1ekta_
            1. region b:1-53 [124327] picpiclink
      2. Putative transition state regulator ABH [159358]
        1. Bacillus subtilis [TaxId: 1423] [159359] (2)
          SQ P39758 1-54
          1. 2fy9 picpic
            1. region a:1-54 [147052] picpiclink
          2. 2fy9 picpic
            automatically matched to 2FY9 A:1-54
            1. region b:1-54 [147053] picpiclink
    3. Hypothetical protein MraZ [102020] (1)
      duplication: contains two interlocking repeats of similar sequence arranged as subunits in the MazE homodimer
      1. Hypothetical protein MraZ [102021]
        1. Mycoplasma pneumoniae [TaxId: 2104] [102022] (3)
          1. 1n0e picpic
            structural genomics
            1. chain a [91508] picpiclink
            2. chain b [91509] picpiclink
            3. chain c [91510] picpiclink
            4. chain d [91511] picpiclink
            5. chain e [91512] picpiclink
            6. chain f [91513] picpiclink
            7. chain g [91514] picpiclink
            8. chain h [91515] picpiclink
          2. 1n0g picpic
            structural genomics
            1. chain a [91524] picpiclink
            2. chain b [91525] picpiclink
          3. 1n0f picpic
            structural genomics
            1. chain a [91516] picpiclink
            2. chain b [91517] picpiclink
            3. chain c [91518] picpiclink
            4. chain d [91519] picpiclink
            5. chain e [91520] picpiclink
            6. chain f [91521] picpiclink
            7. chain g [91522] picpiclink
            8. chain h [91523] picpiclink
  2. AF2212/PG0164-like [141694] (2)
    six-stranded barrel, topologically similar to the Reductase/isomerase/elongation factor domain fold (scop_cf 50412)
    link to SUPERFAMILY database - Superfamily
    1. PG0164-like [141695] (1)
      duplication: comprises two intertwinned beta(2)-alpha-beta structural repeats
      1. Hypothetical protein PG0164 [141696]
        1. Porphyromonas gingivalis [TaxId: 837] [141697] (1)
          SQ Q7MXL1 20-104
          1. 2d9r picpic
            complexed with bme, cl
            1. region a:20-104 [131350] picpiclink
    2. AF2212-like [159360] (1)
      Pfam 01954; DUF104; intertwinned homodimer of beta(2)-loop-beta subunits; the capping helices are replaced with extended loops
      1. Uncharacterized protein AF2212 [159361]
        1. Archaeoglobus fulgidus [TaxId: 2234] [159362] (2)
          SQ O28071 1-61
          1. 2nwt picpic
            1. region a:1-61 [148494] picpiclink
          2. 2nwt picpic
            automatically matched to 2NWT A:1-61
            1. region b:1-61 [148495] picpiclink
Enter search key:
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