Fold: Serpins

contains a cluster of helices and a beta-sandwich

Lineage:

1. Root: scop
2. Class: Multi-domain proteins (alpha and beta)
   Folds consisting of two or more domains belonging to different classes
3. Fold: Serpins
   contains a cluster of helices and a beta-sandwich

Superfamilies:

1. Serpins (1)
   1. Serpins (10)
      1. Elastase inhibitor
         1. Horse (Equus caballus) (1)
      2. Ovalbumin
         1. Hen (Gallus gallus) (1)
      3. Antichymotrypsin, alpha-1
         1. Human (Homo sapiens) (5)
      4. Antitrypsin, alpha-1
         1. Human (Homo sapiens) (10)
      5. Antithrombin
         1. Cow (Bos taurus) (1)
         2. Human (Homo sapiens) (10)
      6. Plasminogen activator inhibitor-1
         1. Human (Homo sapiens) (7)
      7. Plasminogen activator inhibitor-2
         1. Human (Homo sapiens) (1)
      8. Serpin K
         1. Tobacco hawkmoth (Manduca sexta) (1)
      9. Viral serpin crmA (cytokine response modifier protein)
         1. Cowpox virus (2)