Fold: Transmembrane beta-barrels

not a true fold, gathers together transmembrane barrels of different (n,S)

Lineage:

1. Root: scop
2. Class: Membrane and cell surface proteins and peptides [56835]
   Does not include proteins in the immune system
3. Fold: Transmembrane beta-barrels [56924]
   not a true fold, gathers together transmembrane barrels of different (n,S)

Superfamilies:

1. OMPA-like [56925] (4)
   forms (8,10) barrel
   uperfamily
   1. Outer membrane protein [56926] (3)
      1. Outer membrane protein A (OMPA) transmembrane domain [56927]
         1. Escherichia coli [TaxId: 562] [56928] (4)
      2. Outer membrane protein X (OMPX) [56929]
         1. Escherichia coli [TaxId: 562] [56930] (5)
            SQ P36546
      3. Outer membrane protein NspA [90127]
         1. Neisseria meningitidis [TaxId: 487] [90128] (1)
   2. Outer membrane enzyme PagP [82874] (1)
      1. Outer membrane enzyme PagP [82875]
         1. Escherichia coli [TaxId: 562] [82876] (3)
            SQ Q7C2L2
   3. GNA1870 immunodominant domain-like [144097] (1)
      related to Pfam 01298; GNA1870 is a bacterial cell surface-exposed lipoprotein
      1. Lipoprotein GNA1870 immunodominant domain [144098]
         1. Neisseria meningitidis [TaxId: 487] [144099] (1)
            SQ Q6QCC2 120-274
   4. PsbO-like [161115] (1)
      Pfam 01716; MSP
      1. Manganese-stabilising protein, PsbO [161116]
         1. Thermosynechococcus elongatus [TaxId: 146786] [161117] (1)
            SQ P0A431 30-271
2. OMPT-like [69917] (2)
   forms (10,12) barrel
   uperfamily
   1. Outer membrane protease OMPT [69918] (1)
      1. Outer membrane protease OMPT [69919]
         1. Escherichia coli [TaxId: 562] [69920] (1)
   2. Outer membrane adhesin/invasin OpcA [75651] (1)
      1. Outer membrane adhesin/invasin OpcA [75652]
         1. Neisseria meningitidis [TaxId: 487] [75653] (2)
3. Autotransporter [103515] (1)
   forms (12,14) barrel; contains a long alpha-helix running along the barrel axis
   uperfamily
   1. Autotransporter [103516] (1)
      1. Translocator domain of NalP [103517]
         1. Neisseria meningitidis [TaxId: 487] [103518] (2)
4. Outer membrane phospholipase A (OMPLA) [56931] (1)
   forms (12,16) barrel
   uperfamily
   1. Outer membrane phospholipase A (OMPLA) [56932] (1)
      1. Outer membrane phospholipase A (OMPLA) [56933]
         1. Escherichia coli [TaxId: 562] [56934] (7)
5. Porins [56935] (4)
   uperfamily
   1. Porin [56936] (5)
      trimer, one subunit folds into (16,20) barrel
      1. Porin [56937]
         1. Escherichia coli, different sequences [TaxId: 562] [56938] (21)
         2. Rhodobacter capsulatus [TaxId: 1061] [56939] (2)
         3. Rhodopseudomonas blastica, strain DSM2131 [TaxId: 1075] [56940] (9)
         4. Klebsiella pneumoniae [TaxId: 573] [56941] (1)
         5. Comamonas acidovorans [TaxId: 80866] [64534] (3)
            Anion-selective porin OMP32
   2. Maltoporin-like [56942] (3)
      trimer, one subunit folds into (18,22) barrel
      1. Maltoporin (also LamB protein) [56943]
         1. Escherichia coli [TaxId: 562] [56944] (8)
         2. Salmonella typhimurium [TaxId: 90371] [56945] (2)
      2. Sucrose-specific porin [56946]
         1. Enterobacterium (Salmonella typhimurium) [TaxId: 90371] [56947] (3)
   3. Ligand-gated protein channel [56948] (4)
      monomeric (22,24) barrel; ~150 N-terminal residues form a "plug" or "cork" subdomain
      1. Ferric hydroxamate uptake receptor FhuA [56949]
         1. Escherichia coli [TaxId: 562] [56950] (11)
      2. Ferric enterobactin receptor FepA [56951]
         1. Escherichia coli [TaxId: 562] [56952] (1)
      3. Outer membrane transporter FecA [75654]
         1. Escherichia coli [TaxId: 562] [75655] (5)
      4. Outer membrane cobalamin transporter BtuB [90129]
         vitamin B12 receptor
         1. Escherichia coli [TaxId: 562] [90130] (8)
   4. Outer membrane protein transport protein [111361] (1)
      Pfam 03349; monomeric (14,16) barrel; plugged by an N-terminal all-alpha subdomain (1-40)
      1. Long-chain fatty acid transport protein FadL [111362]
         1. Escherichia coli [TaxId: 562] [111363] (2)
            SQ P10384
6. Tsx-like channel [111364] (1)
   forms (12,16) barrel
   uperfamily
   1. Tsx-like channel [111365] (1)
      Pfam 03502
      1. Nucleoside-specific channel-forming protein tsx (NupA) [111366]
         1. Escherichia coli [TaxId: 562] [111367] (3)
            SQ P22786

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