Fold: Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin

4 helices; folded leaf; right-handed superhelix

Lineage:

1. Root: scop
2. Class: All alpha proteins
3. Fold: Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin
   4 helices; folded leaf; right-handed superhelix

Superfamilies:

1. Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin (3)
   can be classified as disulphide-rich
   1. Plant lipid-transfer and hydrophobic proteins (5)
   2. Proteinase/alpha-amylase inhibitors (3)
   3. Seed storage protein, 2S albumin (1)
      two chains result from a single-chain precursor