Lineage for Fold f.4: Transmembrane beta-barrels
- Root: SCOP 1.57
Class f: Membrane and cell surface proteins and peptides [56835] (11 folds) 
Fold f.4: Transmembrane beta-barrels [56924] (3 superfamilies)
Superfamilies:
f.4.1: Outer membrane protein [56925] (1 family) 
f.4.2: Outer membrane phospholipase A (OMPLA) [56931] (1 family) 
f.4.3: Porins [56935] (3 families)
More info for Fold f.4: Transmembrane beta-barrels
Timeline for Fold f.4: Transmembrane beta-barrels:
- Fold f.4: Transmembrane beta-barrels first appeared (with stable ids) in SCOP 1.55
- Fold f.4: Transmembrane beta-barrels appears in SCOP 1.59
- Fold f.4: Transmembrane beta-barrels appears in the current release, SCOPe 2.08