Protein: Troponin C from Turkey (Meleagris gallopavo)

Lineage:

1. Root: scop
2. Class: All alpha proteins
3. Fold: EF Hand-like
   core: 4 helices; array of 2 hairpins, opened
4. Superfamily: EF-hand
   Duplication: consists of two EF-hand units: each is made of two helices connected with calcium-binding loop
5. Family: Calmodulin-like
   Duplication: made with two pairs of EF-hands
6. Protein: Troponin C
7. Species: Turkey (Meleagris gallopavo)

PDB Entry Domains:

1. 5tnc
   complexed with ca
2. 1trf
   N-terminal domain of two EF-hands