Superfamily: Insect pheromon/odorant-binding proteins

the N-terminal extention, containing a few short helices, forms a flexible lid for the binding cavity

Lineage:

1. Root: scop
2. Class: All alpha proteins
3. Fold: EF Hand-like
   core: 4 helices; array of 2 hairpins, opened
4. Superfamily: Insect pheromon/odorant-binding proteins
   the N-terminal extention, containing a few short helices, forms a flexible lid for the binding cavity

Families:

1. Insect pheromon/odorant-binding proteins (2)
   1. Thp12-carrier protein
      1. Yellow mealworm (Tenebrio molitor) (2)
   2. Pheromone binding protein
      1. Silkworm (Bombyx mori) (1)