Lineage for Superfamily f.4.3: Porins

  1. Root: SCOPe 2.05
  2. 1955192Class f: Membrane and cell surface proteins and peptides [56835] (57 folds)
  3. 1955624Fold f.4: Transmembrane beta-barrels [56924] (6 superfamilies)
    not a true fold, gathers together transmembrane barrels of different (n,S)
  4. 1955699Superfamily f.4.3: Porins [56935] (5 families) (S)

Families:

  1. 1955700f.4.3.1: Porin [56936] (2 proteins)
    trimer, one subunit folds into (16,20) barrel
  2. 1955804f.4.3.2: Maltoporin-like [56942] (2 proteins)
    trimer, one subunit folds into (18,22) barrel
    automatically mapped to Pfam PF02264
  3. 1955843f.4.3.3: Ligand-gated protein channel [56948] (5 proteins)
    monomeric (22,24) barrel; ~150 N-terminal residues form a "plug" or "cork" subdomain
  4. 1955885f.4.3.4: Outer membrane protein transport protein [111361] (2 proteins)
    Pfam PF03349; monomeric (14,16) barrel; plugged by an N-terminal all-alpha subdomain (1-40)
  5. 1955909f.4.3.0: automated matches [267625] (1 protein)
    not a true family

More info for Superfamily f.4.3: Porins

Timeline for Superfamily f.4.3: Porins: