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)
   2. Outer membrane enzyme PagP [82874] (1)
   3. GNA1870 immunodominant domain-like [144097] (1)
      related to Pfam 01298; GNA1870 is a bacterial cell surface-exposed lipoprotein
   4. PsbO-like [161115] (1)
      Pfam 01716; MSP
2. OMPT-like [69917] (2)
   forms (10,12) barrel
   uperfamily
   1. Outer membrane protease OMPT [69918] (1)
   2. Outer membrane adhesin/invasin OpcA [75651] (1)
3. Autotransporter [103515] (1)
   forms (12,14) barrel; contains a long alpha-helix running along the barrel axis
   uperfamily
   1. Autotransporter [103516] (1)
4. Outer membrane phospholipase A (OMPLA) [56931] (1)
   forms (12,16) barrel
   uperfamily
   1. Outer membrane phospholipase A (OMPLA) [56932] (1)
5. Porins [56935] (4)
   uperfamily
   1. Porin [56936] (5)
      trimer, one subunit folds into (16,20) barrel
   2. Maltoporin-like [56942] (3)
      trimer, one subunit folds into (18,22) barrel
   3. Ligand-gated protein channel [56948] (4)
      monomeric (22,24) barrel; ~150 N-terminal residues form a "plug" or "cork" subdomain
   4. Outer membrane protein transport protein [111361] (1)
      Pfam 03349; monomeric (14,16) barrel; plugged by an N-terminal all-alpha subdomain (1-40)
6. Tsx-like channel [111364] (1)
   forms (12,16) barrel
   uperfamily
   1. Tsx-like channel [111365] (1)
      Pfam 03502

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