Lineage for Superfamily f.11.1: Anthrax protective antigen

1. Root: SCOPe 2.02

2. Class f: Membrane and cell surface proteins and peptides [56835] (57 folds)

3. Fold f.11: Anthrax protective antigen [56987] (1 superfamily) 4 domains; I (res. 14-225) and II (226-487) are beta-sandwiches of similar gamma-crystallin like topologies; III (488-594) has a beta-grasp like fold; IV (595-735) has an Ig-like fold

4. Superfamily f.11.1: Anthrax protective antigen [56988] (1 family)